10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2018

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ___________to ______________

Commission file number: 001-37534

PLANET FITNESS, INC.

(Exact Name of Registrant as Specified in Its Charter)

Delaware	38-3942097
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)

4 Liberty Lane West, Hampton, NH 03842

(Address of Principal Executive Offices and Zip Code)

(603) 750-0001

(Registrant’s Telephone Number, Including Area Code)

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  ☒     No  ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes  ☒     No  ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	ý	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).    Yes  ☐    No  ý

As of November 1, 2018 there were 88,169,242 shares of the Registrant’s Class A Common Stock, par value $0.0001 per share, outstanding and 9,463,730 shares of the Registrant’s Class B Common Stock, par value $0.0001 per share, outstanding.

1

PLANET FITNESS, INC.

TABLE OF CONTENTS

		Page
	Cautionary Note Regarding Forward-Looking Statements	3
	PART I – FINANCIAL INFORMATION	4
ITEM 1.	Financial Statements	4
ITEM 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	31
ITEM 3.	Quantitative and Qualitative Disclosures About Market Risk	48
ITEM 4.	Controls and Procedures	49
	PART II – OTHER INFORMATION	50
ITEM 1.	Legal Proceedings	50
ITEM 1A.	Risk Factors	50
ITEM 2.	Unregistered Sales of Equity Securities and Use of Proceeds	51
ITEM 3.	Defaults Upon Senior Securities	52
ITEM 4.	Mine Safety Disclosures	52
ITEM 5.	Other Information	52
ITEM 6.	Exhibits	52
	Signatures	54

2

Cautionary Note Regarding Forward-Looking Statements

This Quarterly Report on Form 10-Q, as well as information included in oral statements or other written statements made or to be made by us, contain statements that constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are neither historical facts nor assurances of future performance. Instead, they are based on our current beliefs, expectations and assumptions regarding the future of our business, future plans and strategies, and other future conditions. Forward-looking statements can be identified by words such as “anticipate,” “believe,” “envision,” “estimate,” “expect,” “intend,” “may,” “plan,” “predict,” “project,” “target,” “potential,” “will,” “would,” “could,” “should,” “continue,” “ongoing,” “contemplate” and other similar expressions, although not all forward-looking statements contain these identifying words. Examples of forward-looking statements include, among others, statements we make regarding:

• future financial position;

• business strategy;

• budgets, projected costs and plans;

• future industry growth;

• financing sources;

• Potential return of capital initiatives;

• the impact of litigation, government inquiries and investigations; and

• all other statements regarding our intent, plans, beliefs or expectations or those of our directors or officers.

We may not actually achieve the plans, intentions or expectations disclosed in our forward-looking statements, and you should not place undue reliance on our forward-looking statements. Actual results or events could differ materially from the plans, intentions and expectations disclosed in the forward-looking statements we make. Important factors that could cause actual results and events to differ materially from those indicated in the forward-looking statements include, among others, the following:

• our dependence on the operational and financial results of, and our relationships with, our franchisees and the success of their new and existing stores;

• risks relating to damage to our brand and reputation;

• our ability to successfully implement our growth strategy;

• technical, operational and regulatory risks related to our third-party providers’ systems and our own information systems;

• our and our franchisees’ ability to attract and retain members;

• the high level of competition in the health club industry generally;

• our reliance on a limited number of vendors, suppliers and other third-party service providers;

• our substantial increased indebtedness as a result of our refinancing and securitization transactions and our ability to incur additional indebtedness or refinance that indebtedness in the future;

• our future financial performance and our ability to pay principal and interest on our indebtedness;

• risks relating to our corporate structure and tax receivable agreements; and

• the other factors identified under the heading “Risk Factors” in our annual report on Form 10-K for the fiscal year ended December 31, 2017 filed with the Securities and Exchange Commission on March 1, 2018, and elsewhere in this Quarterly Report on Form 10-Q.

The forward-looking statements in this Quarterly Report on Form 10-Q represent our views as of the date of this Report. We undertake no obligation to publicly update any forward-looking statements whether as a result of new information, future developments or otherwise.

3

PART I-FINANCIAL INFORMATION

1. Financial Statements

Planet Fitness, Inc. and subsidiaries

Condensed consolidated balance sheets

(Unaudited)

(Amounts in thousands, except per share amounts)

	September 30,			December 31,
	2018			2017
Assets
Current assets:
Cash and cash equivalents	$	572,731		$	113,080
Restricted cash	35,915			—
Accounts receivable, net of allowance for bad debts of $74 and $32 at September 30, 2018 and December 31, 2017, respectively	26,145			37,272
Due from related parties	—			3,020
Inventory	6,142			2,692
Restricted assets – national advertising fund	3,418			499
Prepaid expenses	3,813			3,929
Other receivables	10,993			9,562
Other current assets	6,318			6,947
Total current assets	665,475			177,001
Property and equipment, net of accumulated depreciation of $48,960, as of September 30, 2018 and $36,228 as of December 31, 2017	97,240			83,327
Intangible assets, net	237,896			235,657
Goodwill	199,513			176,981
Deferred income taxes	416,707			407,782
Other assets, net	4,608			11,717
Total assets	$	1,621,439		$	1,092,465
Liabilities and stockholders' deficit
Current liabilities:
Current maturities of long-term debt	$	12,000		$	7,185
Accounts payable	23,400			28,648
Accrued expenses	26,764			18,590
Equipment deposits	11,449			6,498
Restricted liabilities – national advertising fund	3,418			490
Deferred revenue, current	21,959			19,083
Payable pursuant to tax benefit arrangements, current	25,578			31,062
Other current liabilities	456			474
Total current liabilities	125,024			112,030
Long-term debt, net of current maturities	1,161,712			696,576
Deferred rent, net of current portion	10,297			6,127
Deferred revenue, net of current portion	25,916			8,440
Deferred tax liabilities	1,730			1,629
Payable pursuant to tax benefit arrangements, net of current portion	405,577			400,298
Other liabilities	1,331			4,302
Total noncurrent liabilities	1,606,563			1,117,372
Commitments and contingencies (Note 12)
Stockholders' equity (deficit):
Class A common stock, $.0001 par value - 300,000 authorized, 88,085 and 87,188 shares issued and outstanding as of September 30, 2018 and December 31, 2017, respectively	9			9
Class B common stock, $.0001 par value - 100,000 authorized, 9,544 and 11,193 shares issued and outstanding as of September 30, 2018 December 31, 2017, respectively	1			1
Accumulated other comprehensive income (loss)	256			(648		)
Additional paid in capital	17,237			12,118
Accumulated deficit	(118,964		)	(130,966		)
Total stockholders' deficit attributable to Planet Fitness Inc.	(101,461		)	(119,486		)
Non-controlling interests	(8,687		)	(17,451		)
Total stockholders' deficit	(110,148		)	(136,937		)
Total liabilities and stockholders' deficit	$	1,621,439		$	1,092,465

See accompanying notes to condensed consolidated financial statements

4

Planet Fitness, Inc. and subsidiaries

Condensed consolidated statements of operations

(Unaudited)

(Amounts in thousands, except per share amounts)

	For the three months ended September 30,						For the nine months ended September 30,
	2018			2017			2018			2017
Revenue:
Franchise	$	41,997		$	31,413		$	129,575		$	94,485
Commission income	1,448			4,149			5,012			15,668
National advertising fund revenue	11,377			—			32,997			—
Corporate-owned stores	35,406			28,560			102,365			83,886
Equipment	46,428			33,374			128,589			101,875
Total revenue	136,656			97,496			398,538			295,914
Operating costs and expenses:
Cost of revenue	36,871			25,819			100,114			78,395
Store operations	18,751			15,551			55,154			45,339
Selling, general and administrative	17,233			14,071			52,066			42,659
National advertising fund expense	11,377			—			32,997			—
Depreciation and amortization	8,863			8,137			25,947			23,982
Other (gain) loss	(12		)	(36		)	958			280
Total operating costs and expenses	93,083			63,542			267,236			190,655
Income from operations	43,573			33,954			131,302			105,259
Other expense, net:
Interest income	2,025			18			2,480			24
Interest expense	(17,909		)	(8,938		)	(35,725		)	(26,735		)
Other income (expense)	(27		)	408			(338		)	157
Total other expense, net	(15,911		)	(8,512		)	(33,583		)	(26,554		)
Income before income taxes	27,662			25,442			97,719			78,705
Provision for income taxes	7,190			6,540			23,335			23,933
Net income	20,472			18,902			74,384			54,772
Less net income attributable to non-controlling interests	3,001			3,557			11,158			18,173
Net income attributable to Planet Fitness, Inc.	$	17,471		$	15,345		63,226			$	36,599
Net income per share of Class A common stock:
Basic	$	0.20		$	0.18		$	0.72		$	0.48
Diluted	$	0.20		$	0.18		$	0.72		$	0.48
Weighted-average shares of Class A common stock outstanding:
Basic	88,047			85,663			87,727			76,391
Diluted	88,458			85,734			88,064			76,435

See accompanying notes to condensed consolidated financial statements.

5

Planet Fitness, Inc. and subsidiaries

Condensed consolidated statements of comprehensive income (loss)

(Unaudited)

(Amounts in thousands)

	For the three months ended September 30,				For the nine months ended September 30,
	2018		2017		2018			2017
Net income including non-controlling interests	$	20,472	$	18,902	$	74,384		$	54,772
Other comprehensive income (loss), net:
Unrealized gain on interest rate caps, net of tax	606		374		989			730
Foreign currency translation adjustments	40		20		(23		)	25
Total other comprehensive income, net	646		394		966			755
Total comprehensive income including non-controlling    interests	21,118		19,296		75,350			55,527
Less: total comprehensive income attributable to non-controlling interests	3,007		3,631		11,221			18,384
Total comprehensive income attributable to Planet    Fitness, Inc.	$	18,111	$	15,665	$	64,129		$	37,143

See accompanying notes to condensed consolidated financial statements.

6

Planet Fitness, Inc. and subsidiaries

Condensed consolidated statements of cash flows

(Unaudited)

(Amounts in thousands)

	For the nine months ended September 30,
	2018			2017
Cash flows from operating activities:
Net income	$	74,384		$	54,772
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25,947			23,982
Amortization of deferred financing costs	2,041			1,439
Amortization of favorable leases and asset retirement obligations	280			260
Amortization of interest rate caps	1,170			1,552
Deferred tax expense	19,654			21,344
Loss on extinguishment of debt	4,570			79
Third party debt refinancing expense	—			1,021
Gain on re-measurement of tax benefit arrangement	(354		)	(541		)
Provision for bad debts	8			44
Loss on reacquired franchise rights	360			—
Loss (gain) on disposal of property and equipment	542			(357		)
Equity-based compensation	4,137			1,800
Changes in operating assets and liabilities, excluding effects of acquisitions:
Accounts receivable	10,922			11,099
Due to and due from related parties	3,174			(580		)
Inventory	(3,450		)	1,253
Other assets and other current assets	4,972			(2,413		)
Accounts payable and accrued expenses	2,426			(16,985		)
Other liabilities and other current liabilities	(2,869		)	(724		)
Income taxes	1,028			(1,462		)
Payable pursuant to tax benefit arrangements	(21,706		)	(7,909		)
Equipment deposits	4,950			5,951
Deferred revenue	7,544			(958		)
Deferred rent	4,156			361
Net cash provided by operating activities	143,886			93,028
Cash flows from investing activities:
Additions to property and equipment	(18,601		)	(23,229		)
Acquisition of franchises	(45,752		)	—
Proceeds from sale of property and equipment	196			166
Net cash used in investing activities	(64,157		)	(23,063		)
Cash flows from financing activities:
Principal payments on capital lease obligations	(35		)	—
Proceeds from issuance of long-term debt	1,200,000			—
Repayment of long-term debt	(709,469		)	(5,388		)
Payment of deferred financing and other debt-related costs	(27,191		)	(1,278		)
Premiums paid for interest rate caps	—			(366		)
Exercise of stock options	1,106			172
Repurchase and retirement of Class A common stock	(42,090		)	—
Dividend equivalent payments	(881		)	(1,322		)
Distributions to Continuing LLC Members	(5,369		)	(9,308		)
Net cash provided by (used in) financing activities	416,071			(17,490		)
Effects of exchange rate changes on cash and cash equivalents	(234		)	399
Net increase in cash, cash equivalents and restricted cash	495,566			52,874
Cash, cash equivalents and restricted cash, beginning of period	113,080			40,393
Cash, cash equivalents and restricted cash, end of period	$	608,646		$	93,267
Supplemental cash flow information:
Net cash paid for income taxes	$	3,777		$	3,769
Cash paid for interest	$	20,015		$	23,637
Non-cash investing activities:
Non-cash additions to property and equipment	$	2,217		$	482

See accompanying notes to condensed consolidated financial statements.

7

Planet Fitness, Inc. and subsidiaries

Condensed consolidated statements of changes in equity (deficit)

(Unaudited)

(Amounts in thousands)

	Class A common stock				Class B common stock				Accumulated other comprehensive (loss) income			Additional paid- in capital			Accumulated deficit			Non-controlling interests			Total (deficit) equity
	Shares		Amount		Shares		Amount
Balance at December 31, 2017	87,188		$	9	11,193		$	1	$	(648	)	$	12,118		$	(130,966	)	$	(17,451	)	$	(136,937	)
Net income	—		—		—		—		—			—			63,226			11,158			74,384
Equity-based compensation expense	—		—		—		—		—			4,140			(3		)	—			4,137
Exchanges of Class B common stock	1,640		—		(1,640	)	—		1			(2,913		)	—			2,912			—
Retirement of Class B common stock	—		—		(9	)	—		—			—			—			—			—
Exercise of stock options and vesting of restricted share units	81		—		—		—		—			1,106			—			—			1,106
Repurchase and retirement of Class A common stock	(824	)	—		—		—		—			—			(42,090		)	—			(42,090		)
Tax benefit arrangement liability and deferred taxes arising from exchanges of Class B common stock	—		—		—		—		—			2,786			—			—			2,786
Forfeiture of dividend equivalents	—		—		—		—		—			—			61			—			61
Distributions paid to members of Pla-Fit Holdings	—		—		—		—		—			—			—			(5,369		)	(5,369		)
Cumulative effect adjustment (Note 15)	—		—		—		—		—			—			(9,192		)	—			(9,192		)
Other comprehensive income	—		—		—		—		903			—			—			63			966
Balance at September 30, 2018	88,085		$	9	9,544		$	1	$	256		$	17,237		$	(118,964	)	$	(8,687	)	$	(110,148	)

See accompanying notes to condensed consolidated financial statements.

8

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

(1) Business Organization

Planet Fitness, Inc. (the “Company”), through its subsidiaries, is a franchisor and operator of fitness centers, with more than 12.2 million members and 1,646 owned and franchised locations (referred to as stores) in 50 states, the District of Columbia, Puerto Rico, Canada, the Dominican Republic, Panama and Mexico as of September 30, 2018.

The Company serves as the reporting entity for its various subsidiaries that operate three distinct lines of business:

• Licensing and selling franchises under the Planet Fitness trade name.

• Owning and operating fitness centers under the Planet Fitness trade name.

• Selling fitness-related equipment to franchisee-owned stores.

The Company was formed as a Delaware corporation on March 16, 2015 for the purpose of facilitating an initial public offering (the “IPO”), which was completed on August 11, 2015 and related transactions in order to carry on the business of Pla-Fit Holdings, LLC and its subsidiaries (“Pla-Fit Holdings”). As of August 5, 2015, in connection with the recapitalization transactions that occurred prior to the IPO, the Company became the sole managing member and holder of 100% of the voting power of Pla-Fit Holdings. Pla-Fit Holdings owns 100% of Planet Intermediate, LLC, which has no operations but is the 100% owner of Planet Fitness Holdings, LLC, a franchisor and operator of fitness centers. With respect to the Company, Pla-Fit Holdings and Planet Intermediate, LLC, each entity owns nothing other than the respective entity below it in the corporate structure and each entity has no other material operations.

Subsequent to the IPO and the related recapitalization transactions, the Company is a holding company whose principal asset is a controlling equity interest in Pla-Fit Holdings. As the sole managing member of Pla-Fit Holdings, the Company operates and controls all of the business and affairs of Pla-Fit Holdings, and through Pla-Fit Holdings, conducts its business. As a result, the Company consolidates Pla-Fit Holdings’ financial results and reports a non-controlling interest related to the portion of limited liability company units of Pla-Fit Holdings (“Holdings Units”) not owned by the Company. Unless otherwise specified, “the Company” refers to both Planet Fitness, Inc. and Pla-Fit Holdings throughout the remainder of these notes.

As of September 30, 2018, Planet Fitness, Inc. held 100.0% of the voting interest and 90.2% of the economic interest of Pla-Fit Holdings and the holders of Holdings Units of Pla-Fit Holdings (the “Continuing LLC Owners”) held the remaining 9.8% economic interest in Pla-Fit Holdings.

(2) Summary of Significant Accounting Policies

(a) Basis of presentation and consolidation

The accompanying unaudited interim condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (U.S. GAAP) for interim financial information and pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”). Accordingly, these interim financial statements do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring adjustments) necessary for a fair presentation of the results of operations, financial position and cash flows for the periods presented have been reflected. All significant intercompany balances and transactions have been eliminated in consolidation.

The condensed consolidated financial statements as of and for the three and nine months ended September 30, 2018 and 2017 are unaudited. The condensed consolidated balance sheet as of December 31, 2017 has been derived from the audited financial statements at that date but does not include all of the disclosures required by U.S. GAAP. These interim condensed consolidated financial statements should be read in conjunction with the Company’s Annual Report on Form 10-K for the year ended December 31, 2017 (the “Annual Report”) filed with the SEC on March 1, 2018. Operating results for the interim periods are not necessarily indicative of the results that may be expected for the full year.

As discussed in Note 1, as a result of the recapitalization transactions, Planet Fitness, Inc. consolidates Pla-Fit Holdings. The Company also consolidates entities in which it has a controlling financial interest, the usual condition of which is ownership of a majority voting interest. The Company also considers for consolidation certain interests where the controlling financial interest may be achieved through arrangements that do not involve voting interests. Such an entity, known as a variable interest entity (“VIE”), is required to be consolidated by its primary beneficiary. The primary beneficiary of a VIE is considered to possess the

9

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

power to direct the activities of the VIE that most significantly impact its economic performance and has the obligation to absorb losses or the rights to receive benefits from the VIE that are significant to it. The principal entities in which the Company possesses a variable interest include franchise entities and certain other entities. The Company is not deemed to be the primary beneficiary for Planet Fitness franchise entities. Therefore, these entities are not consolidated.

The results of the Company have been consolidated with Matthew Michael Realty LLC (“MMR”) and PF Melville LLC (“PF Melville”) based on the determination that the Company is the primary beneficiary with respect to these VIEs. These entities are real estate holding companies that derive a majority of their financial support from the Company through lease agreements for corporate stores. See Note 3 for further information related to the Company’s VIEs.

(b) Use of estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Although these estimates are based on management’s knowledge of current events and actions it may undertake in the future, they may ultimately differ from actual results. Significant areas where estimates and judgments are relied upon by management in the preparation of the consolidated financial statements include revenue recognition, valuation of assets and liabilities in connection with acquisitions, valuation of equity-based compensation awards, the evaluation of the recoverability of goodwill and long-lived assets, including intangible assets, income taxes, including deferred tax assets and liabilities and reserves for unrecognized tax benefits, and the liability for the Company’s tax benefit arrangements.

(c) Fair Value

ASC 820, Fair Value Measurements and Disclosures, establishes a three-level valuation hierarchy for disclosure of fair value measurements. The valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability as of the measurement date. Categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The three levels are defined as follows:

Level 1—Inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.

Level 2—Inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.

Level 3—Inputs to the valuation methodology are unobservable and significant to the fair value measurement.

The table below presents information about the Company’s assets and liabilities that are measured at fair value on a recurring basis as of September 30, 2018 and December 31, 2017:

	Total fair value at September 30, 2018		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Interest rate caps	$	—	$	—	$	—	$	—
	Total fair value at December 31, 2017		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Interest rate caps	$	340	$	—	$	340	$	—

The carrying value and estimated fair value of long-term debt as of September 30, 2018 and December 31, 2017 were as follows:

	September 30, 2018				December 31, 2017
	Carrying value		Estimated fair value(1)		Carrying value		Estimated fair value(2)
Long-term debt	$	1,200,000	$	1,195,278	$	709,470	$	709,470

(1) The estimated fair value of our long-term debt is estimated primarily based on current bid prices for our long-term debt. Judgment is required to develop these estimates. As such, the fair value of our long-term debt is classified within Level 2, as defined under U.S. GAAP.

(2) The carrying value of the Term Loan B debt approximated fair value as of December 31, 2017 as it was variable rate debt.

10

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

(d) Recent accounting pronouncements

The FASB issued ASU No. 2014-9, Revenue from Contracts with Customers, in September 2014. This guidance requires that an entity recognize revenue to depict the transfer of a promised good or service to its customers in an amount that reflects consideration to which the entity expects to be entitled in exchange for such transfer. This guidance also specifies accounting for certain costs incurred by an entity to obtain or fulfill a contract with a customer and provides for enhancements to revenue specific disclosures intended to allow users of the financial statements to clearly understand the nature, amount, timing and uncertainty of revenue and cash flows arising from an entity’s contracts with its customers. The Company has adopted the guidance as of January 1, 2018 on a modified retrospective basis. See Note 15 for details about the effect of adoption.

The FASB issued ASU No. 2016-2, Leases, in February 2016. This guidance is intended to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. This guidance is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years for public companies. Early application of the amendments in this update is permitted for all entities. The Company anticipates that adoption of this guidance will bring all current operating leases onto the statement of financial position as a right of use asset and related rent liability, and is currently evaluating the effect that implementation of this guidance will have on its consolidated statement of operations.

The FASB issued ASU No. 2016-15, Classification of Certain Cash Receipts and Cash Payments, in August 2016. This guidance is intended to reduce diversity in practice of the classification of certain cash receipts and cash payments. This guidance will be effective for fiscal years beginning after December 15, 2017, including interim periods within that year. The Company has adopted the guidance as of January 1, 2018 on a prospective basis, noting no material impact on its consolidated financial statements.

The FASB issued ASU No. 2017-4, Intangibles–Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment, in January 2017. This guidance eliminates the requirement to calculate the implied fair value, essentially eliminating step two from the goodwill impairment test. The new standard requires goodwill impairment to be based upon the results of step one of the impairment test, which is defined as the excess of the carrying value of a reporting unit over its fair value. The impairment charge will be limited to the amount of goodwill allocated to that reporting unit. This guidance will be effective for fiscal years beginning after December 15, 2019, including interim periods within that year. This new guidance is not expected to have a material impact on the Company’s consolidated financial statements.

The FASB issued ASU No. 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities, in August 2017. The guidance simplifies the application of hedge accounting in certain situations and amends the hedge accounting model to enable entities to better portray the economics of their risk management activities in the financial statements. This guidance will be effective for fiscal years beginning after December 15, 2018, including interim periods within that year. The Company is currently evaluating the impact of this guidance on its consolidated financial statements.

The FASB issued ASU No. 2018-15, Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract, in August 2018. The guidance helps align the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal-use software license). This guidance will be effective for fiscal years beginning after December 15, 2019, including interim periods within that year, but allows for early adoption. The Company is currently evaluating the impact of this guidance on its consolidated financial statements.

(3) Variable Interest Entities

The carrying values of VIEs included in the consolidated financial statements as of September 30, 2018 and December 31, 2017 are as follows: 

11

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

	September 30, 2018				December 31, 2017
	Assets		Liabilities		Assets		Liabilities
PF Melville	$	4,695	$	—	$	4,420	$	—
MMR	3,512		—		3,360		—
Total	$	8,207	$	—	$	7,780	$	—

The Company also has variable interests in certain franchisees mainly through the guarantee of certain debt and lease agreements by the Company and by certain related parties to franchisees. The Company’s maximum obligation, as a result of its guarantees of leases and debt, is approximately $798 and $979 as of September 30, 2018 and December 31, 2017, respectively.

The amount of the Company’s maximum obligation represents a loss that the Company could incur from the variability in credit exposure without consideration of possible recoveries through insurance or other means. In addition, the amount bears no relation to the ultimate settlement anticipated to be incurred from the Company’s involvement with these entities, which is estimated at $0.

(4) Acquisition

Colorado Acquisition

On August 10, 2018, the Company purchased from one of its franchisees certain assets associated with four franchisee-owned stores in Colorado for a cash payment of $17,249. As a result of the transaction, the Company incurred a loss on unfavorable reacquired franchise rights of $10, which has been reflected in other operating costs in the statement of operations. The loss incurred reduced the net purchase price to $17,239. The Company financed the purchase through cash on hand. The acquired stores are included in the Corporate-owned stores segment.

The preliminary purchase consideration was allocated as follows:

	Amount
Fixed assets	3,873
Reacquired franchise rights	4,610
Customer relationships	140
Favorable leases, net	80
Other assets	143
Goodwill	8,476
Liabilities assumed, including deferred revenues	(83	)
	17,239

The goodwill created through the purchase is attributable to the assumed future value of the cash flows from the stores acquired. The goodwill is amortizable and deductible for tax purposes over 15 years.

The acquisition was not material to the results of operations, financial position or cash flows of the Company.

Certain estimated values for the Colorado acquisition, including goodwill and intangible assets, are not yet finalized and are subject to revision as additional information becomes available and more detailed analyses are completed.

12

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

Long Island Acquisition

On January 1, 2018, the Company purchased from one of its franchisees certain assets associated with six franchisee-owned stores in New York for a cash payment of $28,503. As a result of the transaction, the Company incurred a loss on unfavorable reacquired franchise rights of $350, which has been reflected in other operating costs in the statement of operations. The loss incurred reduced the net purchase price to $28,153. The Company financed the purchase through cash on hand. The acquired stores are included in the Corporate-owned stores segment.

The purchase consideration was allocated as follows:

	Amount
Fixed assets	$	4,672
Reacquired franchise rights	7,640
Customer relationships	1,150
Favorable leases, net	520
Reacquired area development rights	150
Other assets	275
Goodwill	14,056
Liabilities assumed, including deferred revenues	(310		)
	$	28,153

The goodwill created through the purchase is attributable to the assumed future value of the cash flows from the stores acquired. The goodwill is amortizable and deductible for tax purposes over 15 years.

The acquisition was not material to the results of operations, financial position or cash flows of the Company.

(5) Goodwill and Intangible Assets

A summary of goodwill and intangible assets at September 30, 2018 and December 31, 2017 is as follows: 

September 30, 2018	Weighted average amortization period (years)	Gross carrying amount		Accumulated amortization			Net carrying Amount
Customer relationships	11.0	$	173,063	(96,201		)	$	76,862
Noncompete agreements	5.0	14,500		(14,500		)	—
Favorable leases	7.6	3,545		(2,248		)	1,297
Order backlog	0.4	3,400		(3,400		)	—
Reacquired franchise rights	7.1	21,199		(7,890		)	13,309
Reacquired ADA rights	5.0	150		(22		)	128
		215,857		(124,261		)	91,596
Indefinite-lived intangible:
Trade and brand names	N/A	146,300		—			146,300
Total intangible assets		$	362,157	$	(124,261	)	$	237,896
Goodwill		$	199,513	$	—		$	199,513

13

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

December 31, 2017	Weighted average amortization period (years)	Gross carrying amount		Accumulated amortization			Net carrying Amount
Customer relationships	11.1	$	171,782	$	(86,501	)	$	85,281
Noncompete agreements	5.0	14,500		(14,500		)	—
Favorable leases	7.5	2,935		(1,972		)	963
Order backlog	0.4	3,400		(3,400		)	—
Reacquired franchise rights	5.8	8,950		(5,837		)	3,113
		201,567		(112,210		)	89,357
Indefinite-lived intangible:
Trade and brand names	N/A	146,300		—			146,300
Total intangible assets		$	347,867	$	(112,210	)	$	235,657
Goodwill		$	176,981	$	—		$	176,981

The Company determined that no impairment charges were required during any periods presented and the increase to goodwill was due to the acquisition of six franchisee-owned stores on January 1, 2018, and the acquisition of four franchisee-owned stores on August 10, 2018 (Note 4).

Amortization expense related to the intangible assets totaled $4,027 and $4,697 for the three months ended September 30, 2018 and 2017, respectively, and $12,052 and $14,122 for the nine months ended September 30, 2018 and 2017. Included within these total amortization expense amounts are $93 and $75 related to amortization of favorable leases for the three months ended September 30, 2018 and 2017, respectively, and $276 and $255 for the nine months ended September 30, 2018 and 2017, respectively. Amortization of favorable leases is recorded within store operations as a component of rent expense in the consolidated statements of operations. The anticipated annual amortization expense related to intangible assets to be recognized in future years as of September 30, 2018 is as follows:

	Amount
Remainder of 2018	$	4,026
2019	16,111
2020	14,260
2021	14,234
2022	14,426
Thereafter	28,539
Total	$	91,596

(6) Long-Term Debt

Long-term debt as of September 30, 2018 and December 31, 2017 consists of the following: 

	September 30, 2018			December 31, 2017
Class A-2-I notes	$	575,000		$	—
Class A-2-II notes	625,000			—
Term loan B, repaid August 2018	—			709,470
Total debt, excluding deferred financing costs	1,200,000			709,470
Deferred financing costs, net of accumulated amortization	(26,288		)	(5,709		)
Total debt	1,173,712			703,761
Current portion of long-term debt and line of credit	12,000			7,185
Long-term debt, net of current portion	$	1,161,712		$	696,576

14

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

Future annual principal payments of long-term debt as of September 30, 2018 are as follows: 

	Amount
Remainder of 2018	$	3,000
2019	12,000
2020	12,000
2021	12,000
2022	562,563
Thereafter	598,437
Total	$	1,200,000

On August 1, 2018, Planet Fitness Master Issuer LLC (the “Master Issuer”), a limited-purpose, bankruptcy remote, wholly-owned indirect subsidiary of Pla-Fit Holdings, LLC, entered into a base indenture and a related supplemental indenture (collectively, the “Indenture”) under which the Master Issuer may issue multiple series of notes. On the same date, the Master Issuer issued Series 2018-1 4.262% Fixed Rate Senior Secured Notes, Class A-2-I (the “Class A-2-I Notes”) with an initial principal amount of $575,000 and Series 2018-1 4.666% Fixed Rate Senior Secured Notes, Class A-2-II (the “Class A-2-II Notes” and, together with the Class A-2-I Notes, the “Class A-2 Notes”) with an initial principal amount of $625,000. In connection with the issuance of the Class A-2 Notes, the Master Issuer also entered into a revolving financing facility that allows for the issuance of up to $75,000 in Series 2018-1 Variable Funding Senior Notes, Class A-1 (the “Variable Funding Notes” and together with the Class A-2 Notes, the “Series 2018-1 Senior Notes”), and certain letters of credit, all of which is currently undrawn. The Series 2018-1 Senior Notes were issued in a securitization transaction pursuant to which most of the Company’s domestic revenue-generating assets, consisting principally of franchise-related agreements, certain corporate-owned store assets, equipment supply agreements and intellectual property and license agreements for the use of intellectual property, were assigned to the Master Issuer and certain other limited-purpose, bankruptcy remote, wholly-owned indirect subsidiaries of the Company that act as guarantors of the Series 2018-1 Senior Notes and that have pledged substantially all of their assets to secure the Series 2018-1 Senior Notes.

Interest and principal payments on the Class A-2 Notes are payable on a quarterly basis. The requirement to make such quarterly principal payments on the Class A-2 Notes is subject to certain financial conditions set forth in the Indenture. The legal final maturity date of the Class A-2 Notes is in September 2048, but it is anticipated that, unless earlier prepaid to the extent permitted under the Indenture, the Class A-2-I Notes will be repaid in September 2022 and the Class A-2-II Notes will be repaid in September 2025 (together, the "Anticipated Repayment Dates"). If the Master Issuer has not repaid or refinanced the Class A-2 Notes prior to the respective Anticipated Repayment Dates, additional interest will accrue pursuant to the Indenture.

The Variable Funding Notes will accrue interest at a variable interest rate based on (i) the prime rate, (ii) overnight federal funds rates, (iii) the London interbank offered rate for U.S. Dollars, or (iv) with respect to advances made by conduit investors, the weighted average cost of, or related to, the issuance of commercial paper allocated to fund or maintain such advances, in each case plus any applicable margin and as specified in the Variable Funding Note agreement. There is a commitment fee on the unused portion of the Variable Funding Notes of 0.5% based on utilization. It is anticipated that the principal and interest on the Variable Funding Notes will be repaid in full on or prior to September 2023, subject to two additional one-year extensions. Following the anticipated repayment date (and any extensions thereof) additional interest will accrue on the Variable Funding Notes equal to 5.0% per year.

In connection with the issuance of the Series 2018-1 Senior Notes, the Company incurred debt issuance costs of $27,191. The debt issuance costs are being amortized to “Interest expense” through the Anticipated Repayment Dates of the Class A-2 Notes utilizing the effective interest rate method.

The Series 2018-1 Senior Notes are subject to covenants and restrictions customary for transactions of this type, including (i) that the Master Issuer maintains specified reserve accounts to be used to make required payments in respect of the Series 2018-1 Senior Notes, (ii) provisions relating to optional and mandatory prepayments and the related payment of specified amounts, including specified make-whole payments in the case of the Class A-2 Notes under certain circumstances, (iii) certain indemnification payments in the event, among other things, the assets pledged as collateral for the Series 2018-1 Senior Notes are in stated ways defective or ineffective, and (iv) covenants relating to recordkeeping, access to information and similar matters. The Series 2018-1 Senior Notes are also subject to customary rapid amortization events provided for in the Indenture, including events tied to failure to maintain stated debt service coverage ratios, certain manager termination events, an event of default, and the failure to repay

15

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

or refinance the Class A-2 Notes on the applicable scheduled Anticipated Repayment Dates. The Series 2018-1 Senior Notes are also subject to certain customary events of default, including events relating to non-payment of required interest, principal, or other amounts due on or with respect to the Series 2018-1 Senior Notes, failure to comply with covenants within certain time frames, certain bankruptcy events, breaches of specified representations and warranties, failure of security interests to be effective, and certain judgments.

In accordance with the Indenture, certain cash accounts have been established with the Indenture trustee (the "Trustee") for the benefit of the trustee and the noteholders, and are restricted in their use. The Company holds restricted cash which primarily represents cash collections held by the Trustee, interest, principal, and commitment fee reserves held by the Trustee related to the Company’s Series 2018-1 Senior Notes. As of September 30, 2018, the Company had restricted cash held by the Trustee of $35,915. Restricted cash has been combined with cash and cash equivalents when reconciling the beginning and end of period balances in the consolidated statements of cash flows.

The proceeds from the issuance of the Class A-2 Notes were used to repay all amounts outstanding on the Term Loan B under the Company’s prior credit facility. As a result, the Company recorded a loss on early extinguishment of debt of $4,570 within interest expense on the consolidated statement of operations, primarily consisting of the write-off of deferred costs related to the prior credit facility. In connection with the repayment of the Term Loan B, the Company terminated the related interest rate caps with notional amounts totaling $219,837, which had been designated as a cash flow hedge. See Note 7 for more information on the interest rate caps.

(7) Derivative Instruments and Hedging Activities

Prior to the refinancing transactions described in Note 6, the Company used interest-rate-related derivative instruments to manage its exposure related to changes in interest rates on its variable-rate debt instruments. The Company does not enter into derivative instruments for any purpose other than cash flow hedging. The Company does not speculate using derivative instruments.

In order to manage the market risk arising from the previously outstanding term loans, the Company entered into a series of interest rate caps. As of September 30, 2018, the Company had no interest rate cap agreements outstanding. In connection with the issuance of the Class A-2 Notes, the Company terminated the interest rate caps it had entered into in order to hedge one month LIBOR greater than 2.5% through March 31, 2019.

The interest rate cap balances of $0 and $340 were recorded within other assets in the condensed consolidated balance sheets as of September 30, 2018 and December 31, 2017, respectively. These amounts have been measured at fair value and are considered to be a Level 2 fair value measurement. During the three and nine months ended September 30, 2018, the Company has reversed all historical unrealized gains and losses associated with its interest rate caps due to the termination or maturity of all previously outstanding caps. The Company recorded an increase to the value of its interest rate caps of $356, net of tax of $145, within other comprehensive income (loss) during the three months ended September 30, 2017, respectively, and an increase to the value of its interest rate caps of $730, net of tax of $344, within other comprehensive income (loss) during the nine months ended September 30, 2017.

(8) Related Party Transactions

Amounts due from related parties of $0 and $3,020 as of September 30, 2018 and December 31, 2017. The balance at December 31, 2017 primarily related to reimbursements for certain taxes accrued or paid by the Company (see Note 11).

Activity with entities considered to be related parties is summarized below: 

	For the three months ended September 30,				For the nine months ended September 30,
	2018		2017		2018		2017
Franchise revenue	$	897	$	344	$	2,453	$	1,174
Equipment revenue	1,472		4		1,782		577
Total revenue from related parties	$	2,369	$	348	4,235		$	1,751

Additionally, the Company had deferred area development agreement revenue from related parties of $817 and $389 as of September 30, 2018 and December 31, 2017, respectively.

16

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

The Company entered into a consulting agreement that continues through December 31, 2018 with a shareholder and former executive officer of the Company.

The Company had payables to related parties pursuant to tax benefit arrangements of $52,521 and $44,794, as of September 30, 2018 and December 31, 2017, respectively (see Note 11).

The Company provides administrative services to Planet Fitness NAF, LLC (“NAF”) and charges NAF a fee for providing these services. The services provided include accounting services, information technology, data processing, product development, legal and administrative support, and other operating expenses, which amounted to $676 and $643 for the three months ended September 30, 2018 and 2017, respectively, and $1,872 and $1,645 for the nine months ended September 30, 2018 and 2017, respectively.

(9) Stockholder’s Equity

Pursuant to the exchange agreement between the Company and the Continuing LLC Owners, the Continuing LLC Owners (or certain permitted transferees thereof) have the right, from time to time and subject to the terms of the exchange agreement, to exchange their Holdings Units, along with a corresponding number of shares of Class B common stock, for shares of Class A common stock (or cash at the option of the Company) on a one-for-one basis, subject to customary conversion rate adjustments for stock splits, stock dividends, reclassifications and similar transactions. In connection with any exchange of Holdings Units for shares of Class A common stock by a Continuing LLC Owner, the number of Holdings Units held by the Company is correspondingly increased as it acquires the exchanged Holdings Units, and a corresponding number of shares of Class B common stock are cancelled.

During the nine months endedSeptember 30, 2018, certain existing holders of Holdings Units exercised their exchange rights and exchanged 1,640,020 Holdings Units for 1,640,020 newly-issued shares of Class A common stock. Simultaneously, and in connection with these exchanges, 1,640,020 shares of Class B common stock were surrendered by the holders of Holdings Units that exercised their exchange rights and cancelled. Additionally, in connection with these exchanges, Planet Fitness, Inc. received 1,640,020 Holdings Units, increasing its total ownership interest in Pla-Fit Holdings.

Pursuant to the Company's share repurchase program, which was increased to $500,000 on August 3, 2018, during the nine months endedSeptember 30, 2018, the Company repurchased and retired 824,312 shares of Class A common stock for a total cost of $42,090.

As a result of the above transactions, as of September 30, 2018:

• Holders of our Class A common stock owned 88,084,736 shares of our Class A common stock, representing 90.2% of the voting power in the Company and, through the Company, 88,084,736 Holdings Units representing 90.2% of the economic interest in Pla-Fit Holdings; and

• the Continuing LLC Owners collectively owned 9,543,730 Holdings Units, representing 9.8% of the economic interest in Pla-Fit Holdings, and 9,543,730 shares of our Class B common stock, representing 9.8% of the voting power in the Company.

(10) Earnings Per Share

Basic earnings per share of Class A common stock is computed by dividing net income attributable to Planet Fitness, Inc. by the weighted-average number of shares of Class A common stock outstanding during the same period. Diluted earnings per share of Class A common stock is computed by dividing net income attributable to Planet Fitness, Inc. by the weighted-average number of shares of Class A common stock outstanding adjusted to give effect to potentially dilutive securities.

Shares of the Company’s Class B common stock do not share in the earnings or losses attributable to Planet Fitness, Inc. and are therefore not participating securities. As such, separate presentation of basic and diluted earnings per share of Class B common stock under the two-class method has not been presented. Shares of the Company’s Class B common stock are, however, considered potentially dilutive shares of Class A common stock because shares of Class B common stock, together with the related Holdings Units, are exchangeable into shares of Class A common stock on a one-for-one basis.

17

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

The following table sets forth reconciliations used to compute basic and diluted earnings per share of Class A common stock:  

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Numerator
Net income	$	20,472	$	18,902	$	74,384	$	54,772
Less: net income attributable to non-controlling interests	3,001		3,557		11,158		18,173
Net income attributable to Planet Fitness, Inc.	$	17,471	$	15,345	$	63,226	$	36,599
Denominator
Weighted-average shares of Class A common stock outstanding - basic	88,047,401		85,662,650		87,727,300		76,391,277
Effect of dilutive securities:
Stock options	382,499		66,610		319,610		38,524
Restricted stock units	27,904		5,196		17,141		5,018
Weighted-average shares of Class A common stock outstanding - diluted	88,457,804		85,734,456		88,064,051		76,434,819
Earnings per share of Class A common stock - basic	$	0.20	$	0.18	$	0.72	$	0.48
Earnings per share of Class A common stock - diluted	$	0.20	$	0.18	$	0.72	$	0.48

Weighted average shares of Class B common stock of 10,004,682 and 12,693,076 for the three months ended September 30, 2018 and 2017, respectively, and 10,550,857 and 22,010,095 for the nine months ended September 30, 2018 and 2017, respectively, were evaluated under the if-converted method for potential dilutive effects and were not determined to be dilutive. Weighted average stock options outstanding of 36,342 and 466,278 for the three months ended September 30, 2018 and 2017, respectively and 114,628 and 423,870 for the nine months ended September 30, 2018 and 2017, respectively, were evaluated under the treasury stock method for potential dilutive effects and were determined to be anti-dilutive. Weighted average RSUs outstanding of 0 and 2,924 for the three months ended September 30, 2018 and 2017, respectively, and 11,245 and 985 for the nine months ended September 30, 2018 and 2017, respectively, were evaluated under the treasury stock method for potential dilutive effects and were determined to be anti-dilutive.

(11) Income Taxes

The Company is the sole managing member of Pla-Fit Holdings, which is treated as a partnership for U.S. federal and certain state and local income taxes. As a partnership, Pla-Fit Holdings is not subject to U.S. federal and certain state and local income taxes. Any taxable income or loss generated by Pla-Fit Holdings is passed through to and included in the taxable income or loss of its members, including the Company, on a pro-rata basis.

Planet Fitness, Inc. is subject to U.S. federal income taxes, in addition to state and local income taxes with respect to our allocable share of any taxable income of Pla-Fit Holdings. The Company’s effective tax rate was 26.0% and 25.7% for the three months ended September 30, 2018 and 2017, respectively and the increase was primarily attributable to the recognition of an income tax benefit in connection with the filing of tax returns in the three months ended September 30, 2017, offset by a lower U.S. statutory tax rate in 2018. The Company’s effective tax rate was 23.9% and 30.4% for the nine months endedSeptember 30, 2018 and 2017, respectively, and the reduction in the effective tax rate was primarily attributable to the lower U.S. statutory tax rate in 2018, partially offset by the Company’s increased pro rata share of income from Pla-Fit Holdings. The impact of discrete items was not material. The Company was also subject to taxes in foreign jurisdictions. Undistributed earnings of foreign operations were not material for the three and nine months ended September 30, 2018 and 2017.

Net deferred tax assets of $414,977 and $406,153 as of September 30, 2018 and December 31, 2017, respectively, relate primarily to the tax effects of temporary differences in the book basis as compared to the tax basis of our investment in Pla-Fit Holdings as a result of the secondary offerings, other exchanges, recapitalization transactions and the IPO. As of September 30, 2018, the Company does not have any material net operating loss carryforwards.

As of September 30, 2018 and December 31, 2017, the total liability related to uncertain tax positions was $300 and $2,608, respectively. During the nine months ended September 30, 2018, the Company settled a tax examination for $2,625 which was fully indemnified. At the date of settlement the Company had recorded on its balance sheet an uncertain tax position reserve and

18

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

related indemnification asset of $2,967 reflecting principal and interest and therefore released $342 as an offset to provision for income taxes and also released an indemnification asset of $342 through other expense. The Company recognizes interest accrued and penalties, if applicable, related to unrecognized tax benefits in income tax expense. Interest and penalties for the three and nine months ended September 30, 2018 and 2017 were not material.

On December 22, 2017, Staff Accounting Bulletin No. 118 ("SAB 118") was issued to address the application of U.S. GAAP in situations when a registrant does not have the necessary information available, prepared, or analyzed (including computations) in reasonable detail to complete the accounting for certain income tax effects of H.R. 1, originally known as the Tax Cuts and Jobs Act ("2017 Tax Act"). As of December 31, 2017, the Company made reasonable provisional estimates of the effects of the Tax Act on our consolidated financial statements and tax disclosures, including changes to existing deferred tax balances, the mandatory repatriation tax and remeasurement of our tax benefit arrangements. At September 30, 2018, the Company has not completed the accounting for the effects of the 2017 Tax Act.

Tax benefit arrangements

The Company’s acquisition of Holdings Units in connection with the IPO and future and certain past exchanges of Holdings Units for shares of the Company’s Class A common stock (or cash at the option of the Company) are expected to produce and have produced favorable tax attributes. In connection with the IPO, the Company entered into two tax receivable agreements. Under the first of those agreements, the Company generally is required to pay to certain existing and previous equity owners of Pla-Fit Holdings (the “TRA Holders”) 85% of the applicable tax savings, if any, in U.S. federal and state income tax that the Company is deemed to realize as a result of certain tax attributes of their Holdings Units sold to the Company (or exchanged in a taxable sale) and that are created as a result of (i) the exchanges of their Holdings Units for shares of Class A common stock and (ii) tax benefits attributable to payments made under the tax receivable agreement (including imputed interest). Under the second tax receivable agreement, the Company generally is required to pay to TSG AIV II-A L.P and TSG PF Co-Investors A L.P. (the "Direct TSG Investors") 85% of the amount of tax savings, if any, that the Company is deemed to realize as a result of the tax attributes of the Holdings Units held in respect of the Direct TSG Investors’ interest in the Company, which resulted from the Direct TSG Investors’ purchase of interests in Pla-Fit Holdings in 2012, and certain other tax benefits. Under both agreements, the Company generally retains the benefit of the remaining 15% of the applicable tax savings.

During the nine months endedSeptember 30, 2018, 1,640,020 Holdings Units were exchanged by the TRA Holders for newly issued shares of Class A common stock, resulting in an increase in the tax basis of the net assets of Pla-Fit Holdings subject to the provisions of the tax receivable agreements. As a result of the change in Planet Fitness, Inc.’s ownership percentage of Pla-Fit Holdings that occurred in conjunction with the exchanges, we recorded a decrease to our net deferred tax assets of $921 during the nine months endedSeptember 30, 2018. As a result of these exchanges, during the nine months endedSeptember 30, 2018, we also recognized deferred tax assets in the amount of $25,559, and corresponding tax benefit arrangement liabilities of $21,852, representing 85% of the tax benefits due to the TRA Holders. The offset to the entries recorded in connection with exchanges was to equity.

As of September 30, 2018 and December 31, 2017, the Company had a liability of $431,155 and $431,360, respectively, related to its projected obligations under the tax benefit arrangements. Projected future payments under the tax benefit arrangements are as follows:

	Amount
Remainder of 2018	$	8,764
2019	24,447
2020	24,899
2021	25,323
2022	25,812
Thereafter	321,910
Total	$	431,155

(12) Commitments and contingencies

From time to time, and in the ordinary course of business, the Company is subject to various claims, charges, and litigation, such as employment-related claims and slip and fall cases. The Company is not currently aware of any legal proceedings or claims that the Company believes will have, individually or in the aggregate, a material adverse effect on the Company’s financial position or result of operations.

19

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

(13) Segments

The Company has three reportable segments: (i) Franchise; (ii) Corporate-owned stores; and (iii) Equipment.  

The Company’s operations are organized and managed by type of products and services and segment information is reported accordingly. The Company’s chief operating decision maker (the “CODM”) is its Chief Executive Officer. The CODM reviews financial performance and allocates resources by reportable segment. There have been no operating segments aggregated to arrive at the Company’s reportable segments.

The Franchise segment includes operations related to the Company’s franchising business in the United States, Puerto Rico, Canada, the Dominican Republic, Panama and Mexico, including revenues and expenses from the NAF beginning on January 1, 2018 (see Note 15). The Corporate-owned stores segment includes operations with respect to all Corporate-owned stores throughout the United States and Canada. The Equipment segment includes the sale of equipment to franchisee-owned stores.

The accounting policies of the reportable segments are the same as those described in Note 2. The Company evaluates the performance of its segments and allocates resources to them based on revenue and earnings before interest, taxes, depreciation, and amortization, referred to as Segment EBITDA. Revenues for all operating segments include only transactions with unaffiliated customers and include no intersegment revenues.

The tables below summarize the financial information for the Company’s reportable segments for the three and nine months ended September 30, 2018 and 2017. The “Corporate and other” category, as it relates to Segment EBITDA, primarily includes corporate overhead costs, such as payroll and related benefit costs and professional services which are not directly attributable to any individual segment.

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Revenue
Franchise segment revenue - U.S.	$	53,528	$	35,025	$	164,225	$	108,470
Franchise segment revenue - International	1,294		537		3,359		1,683
Franchise segment total	54,822		35,562		167,584		110,153
Corporate-owned stores - U.S.	34,323		27,414		99,020		80,597
Corporate-owned stores - International	1,083		1,146		3,345		3,289
Corporate-owned stores total	35,406		28,560		102,365		83,886
Equipment segment - U.S.	46,428		33,374		128,589		101,875
Equipment segment total	46,428		33,374		128,589		101,875
Total revenue	$	136,656	$	97,496	$	398,538	$	295,914

Franchise segment revenue includes franchise revenue, NAF revenue, and commission income.

Franchise revenue includes revenue generated from placement services of $2,518 and $2,433 for the three months ended September 30, 2018 and 2017, respectively, and $7,694 and $7,410 for the nine months September 30, 2018 and 2017, respectively. 

	Three months ended September 30,						Nine months ended September 30,
	2018			2017			2018			2017
Segment EBITDA
Franchise	$	37,075		$	29,925		$	113,793		$	94,444
Corporate-owned stores	15,279			12,046			42,115			35,579
Equipment	9,654			7,683			28,579			23,587
Corporate and other	(9,599		)	(7,155		)	(27,576		)	(24,212		)
Total Segment EBITDA	$	52,409		$	42,499		$	156,911		$	129,398

20

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

The following table reconciles total Segment EBITDA to income before taxes:

	Three months ended September 30,						Nine months ended September 30,
	2018			2017			2018			2017
Total Segment EBITDA	$	52,409		$	42,499		$	156,911		$	129,398
Less:
Depreciation and amortization	8,863			8,137			25,947			23,982
Other expense	(27		)	408			(338		)	157
Income from operations	43,573			33,954			131,302			105,259
Interest income	2,025			18			2,480			24
Interest expense	(17,909		)	(8,938		)	(35,725		)	(26,735		)
Other expense	(27		)	408			(338		)	157
Income before income taxes	$	27,662		$	25,442		$	97,719		$	78,705

The following table summarizes the Company’s assets by reportable segment: 

	September 30, 2018		December 31, 2017
Franchise	$	186,416	$	243,348
Corporate-owned stores	228,607		167,367
Equipment	204,592		206,632
Unallocated	1,001,824		475,118
Total consolidated assets	$	1,621,439	$	1,092,465

The table above includes $2,102 and $2,558 of long-lived assets located in the Company’s corporate-owned stores in Canada as of September 30, 2018 and December 31, 2017, respectively. All other assets are located in the U.S.

The following table summarizes the Company’s goodwill by reportable segment: 

	September 30, 2018		December 31, 2017
Franchise	$	16,938	$	16,938
Corporate-owned stores	89,909		67,377
Equipment	92,666		92,666
Consolidated goodwill	$	199,513	$	176,981

21

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

(14) Corporate-Owned and Franchisee-Owned Stores

The following table shows changes in our corporate-owned and franchisee-owned stores for the three and nine months ended September 30, 2018 and 2017:

	For the three months ended September 30,				For the nine months ended September 30,
	2018		2017		2018		2017
Franchisee-owned stores:
Stores operated at beginning of period	1,540		1,345		1,456		1,255
New stores opened	40		31		131		122
Stores debranded, sold or consolidated(1)	(7	)	(2	)	(14	)	(3	)
Stores operated at end of period	1,573		1,374		1,573		1,374
Corporate-owned stores:
Stores operated at beginning of period	68		58		62		58
New stores opened	1		—		1		—
Stores acquired from franchisees	4		—		10		—
Stores operated at end of period	73		58		73		58
Total stores:
Stores operated at beginning of period	1,608		1,403		1,518		1,313
New stores opened	41		31		132		122
Stores acquired, debranded, sold or consolidated(1)	(3	)	(2	)	(4	)	(3	)
Stores operated at end of period	1,646		1,432		1,646		1,432

 (1) The term “debrand” refers to a franchisee-owned store whose right to use the Planet Fitness brand and marks has been terminated in accordance with the franchise agreement. We retain the right to prevent debranded stores from continuing to operate as fitness centers. The term “consolidated” refers to the combination of a franchisee’s store with another store located in close proximity with our prior approval. This often coincides with an enlargement, re-equipment and/or refurbishment of the remaining store.

22

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

(15) Revenue recognition

Revenue from Contracts with Customers

We transitioned to FASB Accounting Standards Codification (“ASC”) Topic 606, Revenue From Contracts with Customers (“ASC 606”), from ASC Topic 605, Revenue Recognition and ASC Subtopic 952-605, Franchisors - Revenue Recognition (together, the “Previous Standards”) on January 1, 2018 using the modified retrospective transition method. Our Financial Statements reflect the application of ASC 606 guidance beginning in 2018, while our consolidated financial statements for prior periods were prepared under the guidance of Previous Standards. The $9,192 cumulative effect of our transition to ASC 606 is reflected as an adjustment to January 1, 2018 stockholders' deficit.

Our transition to ASC 606 represents a change in accounting principle. ASC 606 eliminates industry-specific guidance and provides a single revenue recognition model for recognizing revenue from contracts with customers. The core principle of ASC 606 is that a reporting entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the reporting entity expects to be entitled in exchange for those goods or services.

Revenue Recognition Significant Accounting Policies under ASC 606

The Company's revenues are comprised of franchise revenue, equipment revenue, and corporate-owned stores revenue.

Franchise revenue

Franchise revenues consist primarily of royalties, NAF contributions, initial and renewal franchise fees and upfront fees from area development agreements ("ADAs"), transfer fees, equipment placement revenue, other fees and commission income. 

The Company's primary performance obligation under the franchise license is granting certain rights to use the Company's intellectual property, and all other services the Company provides under the ADA and franchise agreement are highly interrelated, not distinct within the contract, and therefore accounted for under ASC 606 as a single performance obligation, which is satisfied by granting certain rights to use our intellectual property over the term of each franchise agreement.

Royalties, including franchisee contributions to national advertising funds, are calculated as a percentage of franchise monthly dues and annual fees over the term of the franchise agreement. Under our franchise agreements, advertising contributions paid by franchisees must be spent on advertising, marketing and related activities. Initial and renewal franchise fees are payable by the franchisee upon signing a new franchise agreement or renewal of an existing franchise agreement, and transfer fees are paid to the Company when one franchisee transfers a franchise agreement to a different franchisee. Our franchise royalties, as well as our NAF contributions, represent sales-based royalties that are related entirely to our performance obligation under the franchise agreement and are recognized as franchise sales occur.

Additionally, under ASC 606, initial and renewal franchise fees, as well as transfer fees, are recognized as revenue on a straight-line basis over the term of the respective franchise agreement. Under the Previous Standards, initial franchise fees were recognized as revenue when the related franchisees signed a lease and completed the Company's new franchisee training. Renewal franchise fees and transfer fees were recognized as revenue upon execution of a new franchise agreement. Our performance obligation under ADAs generally consists of an obligation to grant geographic exclusive area development rights. These development rights are not distinct from franchise agreements, so upfront fees paid by franchisees for exclusive development rights are deferred and apportioned to each franchise agreement signed by the franchisee. The pro-rata amount apportioned to each franchise agreement is accounted for identically to the initial franchise fee.

The Company is generally responsible for assembly and placement of equipment it sells to U.S. based franchisee-owned stores. Placement revenue is recognized upon completion and acceptance of the services at the franchise location.

The Company recognizes commission income from certain of its franchisees’ use of certain preferred vendor arrangements. Commissions are recognized when amounts have been earned and collectability from the vendor is reasonably assured.

Online member join fees are paid to the Company by franchisees for processing new membership transactions when a new member signs up for a membership to a franchisee-owned store through the Company’s website. These fees are recognized as revenue as each transaction occurs.

23

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

Billing transaction fees are paid to the Company by certain of its franchisees for the processing of franchisee membership dues and annual fees through the Company’s third-party hosted point-of-sale system and are recognized as revenue as they are earned.

Equipment revenue

The Company sells and delivers equipment purchased from third-party equipment manufacturers to U.S. based franchisee-owned stores.  Revenue is recognized upon transfer of control of ordered items, generally upon delivery to the customer, which is when the customer obtains physical possession of the goods, legal title is transferred, the customer has all risks and rewards of ownership and an obligation to pay for the goods is created. Franchisees are charged for all freight costs incurred for the delivery of equipment. Freight revenue is recorded within equipment revenue and freight costs are recorded within cost of revenue. The Company recognizes revenue on a gross basis in these transactions as management has determined the Company to be the principal in these transactions. Management determined the Company to be the principal in the transaction because the Company controls the equipment prior to delivery to the final customer as evidenced by its pricing discretion over the goods, inventory transfer of title and risk of loss while the inventory is in transit, and having the primary responsibility to fulfill the customer order and direct the third-party vendor.

Corporate-owned stores revenue

The following revenues are generated from stores owned and operated by the Company.

Membership dues are earned and recognized over the membership term on a straight-line basis.

Enrollment fee revenue

Enrollment fees are charged to new members at the commencement of their membership. The Company recognizes enrollment fees ratably over the estimated duration of the membership life, which is generally two years.

Annual membership fee revenue

Annual membership fees are annual fees charged to members in addition to and in order to maintain low monthly membership dues. The Company recognizes annual membership fees ratably over the 12-month membership period.

Retail sales

The Company sells Planet Fitness branded apparel, food, beverages, and other accessories. The revenue for these items is recognized at the point of sale.

Contract Liabilities

Contract liabilities consist of deferred revenue resulting from initial and renewal franchise fees and ADA fees paid by franchisees, as well as transfer fees, which are generally recognized on a straight-line basis over the term of the underlying franchise agreement. Also included are corporate-owned store enrollment fees, annual fees and monthly fees. We classify these contract liabilities as deferred revenue in our condensed consolidated balance sheets. The following table reflects the change in contract liabilities between the date of adoption (January 1, 2018) and September 30, 2018,

	Contract liabilities
Balance at January 1, 2018	$	40,000
Revenue recognized that was included in the contract liability at the beginning of the year	(18,866		)
Increase, excluding amounts recognized as revenue during the period	26,741
Balance at September 30, 2018	$	47,875

The following table illustrates estimated revenues expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) as of September 30, 2018. The Company has elected to exclude short term contracts, sales and usage based royalties and any other variable consideration recognized on an "as invoiced" basis.

24

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

Contract liabilities to be recognized in:	Amount
2018	$	11,369
2019	11,351
2020	2,515
2021	2,275
2022	2,127
Thereafter	18,238
Total	$	47,875

Financial Statement Impact of Transition to ASC 606

As noted above, we transitioned to ASC 606 using the modified retrospective method on January 1, 2018. The cumulative effect of this transition to applicable contracts with customers that were not completed as of January 1, 2018 was recorded as an adjustment to stockholders' deficit as of that date. As a result of applying the modified retrospective method to transition to ASC 606, the following adjustments were made to the consolidated balance sheet as of January 1, 2018 (in millions):

25

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

	As Reported December 31,			Total adjustments			Adjusted January 1,
	2017						2018
Assets
Current assets:
Cash and cash equivalents	$	113,080		$	—		$	113,080
Accounts receivable, net	37,272			—			37,272
Due from related parties	3,020			—			3,020
Inventory	2,692			—			2,692
Restricted assets – national advertising fund	499			—			499
Prepaid expenses	3,929			—			3,929
Other receivables	9,562			—			9,562
Other current assets	6,947			—			6,947
Total current assets	177,001			—			177,001
Property and equipment, net	83,327			—			83,327
Intangible assets, net	235,657			—			235,657
Goodwill	176,981			—			176,981
Deferred income taxes	407,782			3,285			411,067
Other assets, net	11,717			—			11,717
Total assets	$	1,092,465		$	3,285		$	1,095,750
Liabilities and stockholders' equity (deficit)
Current liabilities:
Current maturities of long-term debt	$	7,185		$	—		$	7,185
Accounts payable	28,648			—			28,648
Accrued expenses	18,590			—			18,590
Equipment deposits	6,498			—			6,498
Restricted liabilities – national advertising fund	490			—			490
Deferred revenue, current	19,083			(764		)	18,319
Payable pursuant to tax benefit arrangements, current	31,062			—			31,062
Other current liabilities	474			—			474
Total current liabilities	112,030			(764		)	111,266
Long-term debt, net of current maturities	696,576			—			696,576
Deferred rent, net of current portion	6,127			—			6,127
Deferred revenue, net of current portion	8,440			13,241			21,681
Deferred tax liabilities	1,629			—			1,629
Payable pursuant to tax benefit arrangements, net of current portion	400,298			—			400,298
Other liabilities	4,302			—			4,302
Total noncurrent liabilities	1,117,372			13,241			1,130,613
Stockholders' equity (deficit):
Class A common stock	9			—			9
Class B common stock	1			—			1
Accumulated other comprehensive loss	(648		)	—			(648		)
Additional paid in capital	12,118			—			12,118
Accumulated deficit	(130,966		)	(9,192		)	(140,158		)
Total stockholders' deficit attributable to Planet Fitness Inc.	(119,486		)	(9,192		)	(128,678		)
Non-controlling interests	(17,451		)	—			(17,451		)
Total stockholders' deficit	(136,937		)	(9,192		)	(146,129		)
Total liabilities and stockholders' deficit	$	1,092,465		$	3,285		$	1,095,750

26

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

Franchise Fees

The cumulative adjustment for franchise fees, including ADA fees, renewal fees and transfer fees which will all be recognized over the franchise contract term consist of the following:

• An increase in deferred revenue, net of $12,477 for the cumulative reversal and deferral of previously recognized fees related to franchise agreements in effect at January 1, 2018 that were entered into subsequent to the acquisition of Pla-Fit Holdings on November 8, 2012 by TSG Consumer Partners, LLC (the “2012 Acquisition”) (net of the cumulative revenue attributable for the period through January 1, 2018), with a corresponding decrease to Shareholders’ equity.

• An increase to deferred income taxes, net of $3,285 for the tax effects of the adjustment noted above, with a corresponding increase to stockholders' equity.

Comparison to Amounts if Previous Standards Had Been in Effect

The following tables reflect the impact of adoption of ASC 606 on our consolidated statements of operations for the three and nine months ended September 30, 2018, cash flows from operating activities for the nine months ended September 30, 2018 and our condensed consolidated balance sheet as of September 30, 2018 and the amounts as if the Previous Standards were in effect (“Amounts Under Previous Standards”):

27

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

Consolidated statement of operations

	As reported for the three months ended September 30, 2018			Total adjustments			Amounts under Previous Standards			As reported for the nine months ended September 30, 2018			Total adjustments			Amounts under Previous Standards
Revenue:
Franchise	$	41,997		$	2,486		$	44,483		$	129,575		$	5,013		$	134,588
Commission income	1,448			—			1,448			5,012			—			5,012
National advertising fund revenue	11,377			(11,377		)	—			32,997			(32,997		)	—
Corporate-owned stores	35,406			—			35,406			102,365			—			102,365
Equipment	46,428			—			46,428			128,589			—			128,589
Total revenue	136,656			(8,891		)	127,765			398,538			(27,984		)	370,554
Operating costs and expenses:
Cost of revenue	36,871			—			36,871			100,114			—			100,114
Store operations	18,751			—			18,751			55,154			—			55,154
Selling, general and administrative	17,233			—			17,233			52,066			—			52,066
National advertising fund expense	11,377			(11,377		)	—			32,997			(32,997		)	—
Depreciation and amortization	8,863			—			8,863			25,947			—			25,947
Other loss (gain)	(12		)	—			(12		)	958			—			958
Total operating costs and expenses	93,083			(11,377		)	81,706			267,236			(32,997		)	234,239
Income from operations	43,573			2,486			46,059			131,302			5,013			136,315
Other expense, net:
Interest income	2,025			—			2,025			2,480			—			2,480
Interest expense	(17,909		)	—			(17,909		)	(35,725		)	—			(35,725		)
Other (expense) income	(27		)	—			(27		)	(338		)	—			(338		)
Total other expense, net	(15,911		)	—			(15,911		)	(33,583		)	—			(33,583		)
Income before income taxes	27,662			2,486			30,148			97,719			5,013			102,732
Provision for income taxes	7,190			654			7,844			23,335			1,278			24,613
Net income	20,472			1,832			22,304			74,384			3,735			78,119
Less net income attributable to non-controlling interests	3,001			254			3,255			11,158			533			11,691
Net income attributable to Planet Fitness, Inc.	$	17,471		$	1,578		$	19,049		$	63,226		$	3,202		$	66,428
Net income per share of Class A common stock:
Basic	$	0.20					$	0.22		$	0.72					$	0.76
Diluted	$	0.20					$	0.22		$	0.72					$	0.75

28

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

Consolidated Statement of Cash Flows

	As reported September 30, 2018			Total adjustments			Amounts under Previous Standards
Cash flows from operating activities:
Net income	$	74,384		$	3,735		$	78,119
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25,947			—			25,947
Amortization of deferred financing costs	2,041			—			2,041
Amortization of favorable leases and asset retirement obligations	280			—			280
Amortization of interest rate caps	1,170			—			1,170
Deferred tax expense	19,654			—			19,654
Loss on extinguishment of debt	4,570			—			4,570
Gain on re-measurement of tax benefit arrangement	(354		)	—			(354		)
Provision for bad debts	8			—			8
Loss on reacquired franchise rights	360			—			360
Loss on disposal of property and equipment	542			—			542
Equity-based compensation	4,137			—			4,137
Changes in operating assets and liabilities, excluding effects of acquisitions:
Accounts receivable	10,922			—			10,922
Due to and due from related parties	3,174			—			3,174
Inventory	(3,450		)	—			(3,450		)
Other assets and other current assets	4,972			—			4,972
National advertising fund	—			—			—
Accounts payable and accrued expenses	2,426			—			2,426
Other liabilities and other current liabilities	(2,869		)	—			(2,869		)
Income taxes	1,028			1,278			2,306
Payable to related parties pursuant to tax benefit arrangements	(21,706		)	—			(21,706		)
Equipment deposits	4,950			—			4,950
Deferred revenue	7,544			(5,013		)	2,531
Deferred rent	4,156			—			4,156
Net cash provided by operating activities	$	143,886		$	—		$	143,886

29

Planet Fitness, Inc. and subsidiaries

Notes to Condensed Consolidated financial statements

(Unaudited)

(Amounts in thousands, except share and per share amounts)

Consolidated Balance Sheet

	As reported September 30, 2018			Total adjustments			Amounts under Previous Standards
Assets
Current assets:
Cash and cash equivalents	$	572,731		$	—		$	572,731
Restricted cash	35,915			—			35,915
Accounts receivable, net	26,145			—			26,145
Inventory	6,142			—			6,142
Restricted assets – national advertising fund	3,418			—			3,418
Prepaid expenses	3,813			—			3,813
Other receivables	10,993			—			10,993
Other current assets	6,318			—			6,318
Total current assets	665,475			—			665,475
Property and equipment, net	97,240			—			97,240
Intangible assets, net	237,896			—			237,896
Goodwill	199,513			—			199,513
Deferred income taxes	416,707			(3,285		)	413,422
Other assets, net	4,608			—			4,608
Total assets	$	1,621,439		$	(3,285	)	$	1,618,154
Liabilities and stockholders' equity (deficit)
Current liabilities:
Current maturities of long-term debt	$	12,000		$	—		$	12,000
Accounts payable	23,400			—			23,400
Accrued expenses	26,764			1,278			28,042
Equipment deposits	11,449			—			11,449
Restricted liabilities – national advertising fund	3,418			—			3,418
Deferred revenue, current	21,959			24			21,983
Payable pursuant to tax benefit arrangements, current	25,578			—			25,578
Other current liabilities	456			—			456
Total current liabilities	125,024			1,302			126,326
Long-term debt, net of current maturities	1,161,712			—			1,161,712
Deferred rent, net of current portion	10,297			—			10,297
Deferred revenue, net of current portion	25,916			(17,591		)	8,325
Deferred tax liabilities	1,730			—			1,730
Payable pursuant to tax benefit arrangements, net of current portion	405,577			—			405,577
Other liabilities	1,331			—			1,331
Total noncurrent liabilities	1,606,563			(17,591		)	1,588,972
Stockholders' equity (deficit):
Class A common stock	9			—			9
Class B common stock	1			—			1
Accumulated other comprehensive income	256			—			256
Additional paid in capital	17,237			—			17,237
Accumulated deficit	(118,964		)	12,471			(106,493		)
Total stockholders' deficit attributable to Planet Fitness Inc.	(101,461		)	12,471			(88,990		)
Non-controlling interests	(8,687		)	533			(8,154		)
Total stockholders' deficit	(110,148		)	13,004			(97,144		)
Total liabilities and stockholders' deficit	$	1,621,439		$	(3,285	)	$	1,618,154

30

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Unless the context requires otherwise, references in this report to the “Company,” “we,” “us” and “our” refer to Planet Fitness, Inc. and its consolidated subsidiaries.

Overview

We are one of the largest and fastest-growing franchisors and operators of fitness centers in the United States by number of members and locations, with a highly recognized national brand. Our mission is to enhance people’s lives by providing a high-quality fitness experience in a welcoming, non-intimidating environment, which we call the Judgement Free Zone, where anyone—and we mean anyone—can feel they belong. Our bright, clean stores are typically 20,000 square feet, with a large selection of high-quality, purple and yellow Planet Fitness-branded cardio, circuit- and weight-training equipment and friendly staff trainers who offer unlimited free fitness instruction to all our members in small groups through our PE@PF program. We offer this differentiated fitness experience at only $10 per month for our standard membership. This exceptional value proposition is designed to appeal to a broad population, including occasional gym users and the approximately 80% of the U.S. and Canadian populations over age 14 who are not gym members, particularly those who find the traditional fitness club setting intimidating and expensive. We and our franchisees fiercely protect Planet Fitness’ community atmosphere—a place where you do not need to be fit before joining and where progress toward achieving your fitness goals (big or small) is supported and applauded by our staff and fellow members.

As of September 30, 2018, we had more than 12.2 million members and 1,646 stores in all 50 states, the District of Columbia, Puerto Rico, Canada, the Dominican Republic, Panama, and Mexico. Of our 1,646 stores, 1,573 are franchised and 73 are corporate-owned. As of September 30, 2018, we had commitments to open more than 1,000 new stores under existing ADAs.

Our segments

We operate and manage our business in three business segments: Franchise, Corporate-owned stores and Equipment. Our Franchise segment includes operations related to our franchising business in the United States, Puerto Rico, Canada, the Dominican Republic, Panama and Mexico, including revenues and expenses from the NAF beginning on January 1, 2018 (see note 15). Our Corporate-owned stores segment includes operations with respect to all corporate-owned stores throughout the United States and Canada. The Equipment segment includes the sale of equipment to our United States franchisee-owned stores. We evaluate the performance of our segments and allocate resources to them based on revenue and earnings before interest, taxes, depreciation and amortization, referred to as Segment EBITDA. Revenue and Segment EBITDA for all operating segments include only transactions with unaffiliated customers and do not include intersegment transactions. The tables below summarize the financial information for our segments for the three and nine months ended September 30, 2018 and 2017. “Corporate and other,” as it relates to Segment EBITDA, primarily includes corporate overhead costs, such as payroll and related benefit costs and professional services that are not directly attributable to any individual segment.

	Three months ended September 30,						Nine months ended September 30,
(in thousands)	2018			2017			2018			2017
Revenue
Franchise segment	$	54,822		$	35,562		$	167,584		$	110,153
Corporate-owned stores segment	35,406			28,560			102,365			83,886
Equipment segment	46,428			33,374			128,589			101,875
Total revenue	$	136,656		$	97,496		$	398,538		$	295,914
Segment EBITDA
Franchise	$	37,075		$	29,925		$	113,793		$	94,444
Corporate-owned stores	15,279			12,046			42,115			35,579
Equipment	9,654			7,683			28,579			23,587
Corporate and other	(9,599		)	(7,155		)	(27,576		)	(24,212		)
Total Segment EBITDA(1)	$	52,409		$	42,499		$	156,911		$	129,398

(1) Total Segment EBITDA is equal to EBITDA, which is a metric that is not presented in accordance with U.S. GAAP. Refer to “—Non-GAAP financial measures” for a definition of EBITDA and a reconciliation to net income, the most directly comparable U.S. GAAP measure.

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A reconciliation of income from operations to Segment EBITDA is set forth below: 

(in thousands)	Franchise			Corporate-owned stores			Equipment		Corporate and other			Total
Three months ended September 30, 2018
Income from operations	$	35,120		$	9,872		$	8,398	$	(9,817	)	$	43,573
Depreciation and amortization	1,955			5,277			1,256		375			8,863
Other income (expense)	—			130			—		(157		)	(27		)
Segment EBITDA(1)	$	37,075		$	15,279		$	9,654	$	(9,599	)	$	52,409
Three months ended September 30, 2017
Income from operations	$	27,801		$	7,729		$	6,024	$	(7,600	)	$	33,954
Depreciation and amortization	2,140			4,038			1,552		407			8,137
Other income (expense)	(16		)	279			107		38			408
Segment EBITDA(1)	$	29,925		$	12,046		$	7,683	$	(7,155	)	$	42,499
Nine months ended September 30, 2018
Income from operations	$	107,910		$	27,327		$	24,810	$	(28,745	)	$	131,302
Depreciation and amortization	5,895			15,006			3,769		1,277			25,947
Other income (expense)	(12		)	(218		)	—		(108		)	(338		)
Segment EBITDA(1)	$	113,793		$	42,115		$	28,579	$	(27,576	)	$	156,911
Nine months ended September 30, 2017
Income from operations	$	88,045		$	23,358		$	18,826	$	(24,970	)	$	105,259
Depreciation and amortization	6,424			11,722			4,654		1,182			23,982
Other income (expense)	(25		)	499			107		(424		)	157
Segment EBITDA(1)	$	94,444		$	35,579		$	23,587	$	(24,212	)	$	129,398

(1) Total Segment EBITDA is equal to EBITDA, which is a metric that is not presented in accordance with U.S. GAAP. Refer to “—Non-GAAP Financial Measures” for a definition of EBITDA and a reconciliation to net income, the most directly comparable U.S. GAAP measure.

How we assess the performance of our business

In assessing the performance of our business, we consider a variety of performance and financial measures. The key measures for determining how our business is performing include the number of new store openings, same store sales for both corporate-owned and franchisee-owned stores, EBITDA, Adjusted EBITDA, Segment EBITDA, Adjusted net income, and Adjusted net income per share, diluted. See “—Non-GAAP financial measures” below for our definition of EBITDA, Adjusted EBITDA, Adjusted net income, and Adjusted net income per share, diluted and why we present EBITDA, Adjusted EBITDA, Adjusted net income, and Adjusted net income per share, diluted, and for a reconciliation of our EBITDA, Adjusted EBITDA, and Adjusted net income to net income, the most directly comparable financial measure calculated and presented in accordance with U.S. GAAP, and a reconciliation of Adjusted net income per share, diluted to net income per share, diluted, the most directly comparable financial measure calculated and presented in accordance with U.S. GAAP.

Number of new store openings

The number of new store openings reflects stores opened during a particular reporting period for both corporate-owned and franchisee-owned stores. Opening new stores is an important part of our growth strategy and we expect the majority of our future new stores will be franchisee-owned. Before we obtain the certificate of occupancy or report any revenue for new corporate-owned stores, we incur pre-opening costs, such as rent expense, labor expense and other operating expenses. Some of our stores open with an initial start-up period of higher than normal marketing and operating expenses, particularly as a percentage of monthly revenue. New stores may not be profitable and their revenue may not follow historical patterns.

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The following table shows the change in our corporate-owned and franchisee-owned store base for the three and nine months ended September 30, 2018 and 2017:

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Franchisee-owned stores:
Stores operated at beginning of period	1,540		1,345		1,456		1,255
New stores opened	40		31		131		122
Stores debranded, sold or consolidated(1)	(7	)	(2	)	(14	)	(3	)
Stores operated at end of period	1,573		1,374		1,573		1,374
Corporate-owned stores:
Stores operated at beginning of period	68		58		62		58
New stores opened	1		—		1		—
Stores acquired from franchisees	4		—		10		—
Stores operated at end of period	73		58		73		58
Total stores:
Stores operated at beginning of period	1,608		1,403		1,518		1,313
New stores opened	41		31		132		122
Stores acquired, debranded, sold or consolidated(1)	(3	)	(2	)	(4	)	(3	)
Stores operated at end of period	1,646		1,432		1,646		1,432

(1) The term “debrand” refers to a franchisee-owned store whose right to use the Planet Fitness brand and marks has been terminated in accordance with the franchise agreement. We retain the right to prevent debranded stores from continuing to operate as fitness centers. The term “consolidated” refers to the combination of a franchisee’s store with another store located in close proximity with our prior approval. This often coincides with an enlargement, re-equipment and/or refurbishment of the remaining store.

Same store sales

Same store sales refers to year-over-year sales comparisons for the same store sales base of both corporate-owned and franchisee-owned stores. We define the same store sales base to include those stores that have been open and for which monthly membership dues have been billed for longer than 12 months. We measure same store sales based solely upon monthly dues billed to members of our corporate-owned and franchisee-owned stores.

Several factors affect our same store sales in any given period, including the following:

• the number of stores that have been in operation for more than 12 months;

• the percentage mix of PF Black Card and standard memberships in any period;

• growth in total net memberships per store;

• consumer recognition of our brand and our ability to respond to changing consumer preferences;

• overall economic trends, particularly those related to consumer spending;

• our and our franchisees’ ability to operate stores effectively and efficiently to meet consumer expectations;

• marketing and promotional efforts;

• local competition;

• trade area dynamics; and

• opening of new stores in the vicinity of existing locations.

Consistent with common industry practice, we present same store sales as compared to the same period in the prior year. Same store sales of our international stores are calculated on a constant currency basis, meaning that we translate the current year’s same store sales of our international stores at the same exchange rates used in the prior year. Since opening new stores will be a significant component of our revenue growth, same store sales is only one measure of how we evaluate our performance.

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Stores acquired from or sold to franchisees are removed from the franchisee-owned or corporate-owned same store sales base, as applicable, upon the ownership change and for the 12 months following the date of the ownership change. These stores are included in the corporate-owned or franchisee-owned same store sales base, as applicable, following the 12th month after the acquisition or sale. These stores remain in the system-wide same store sales base in all periods.

The following table shows our same store sales for the three and nine months ended September 30, 2018 and 2017:

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Same store sales data
Same store sales growth:
Franchisee-owned stores	9.9	%	9.6	%	10.5	%	10.1	%
Corporate-owned stores	6.1	%	5.1	%	5.6	%	4.6	%
Total stores	9.7	%	9.3	%	10.3	%	9.8	%
Number of stores in same store sales base:
Franchisee-owned stores	1,355		1,170		1,355		1,170
Corporate-owned stores	58		58		58		58
Total stores	1,423		1,228		1,423		1,228

Total monthly dues and annual fees from members (system-wide sales)

We review the total amount of dues we collect from our members on a monthly basis, which allows us to assess changes in the performance of our corporate-owned and franchisee-owned stores from period to period, any competitive pressures, local or regional membership traffic patterns and general market conditions that might impact our store performance. We collect monthly dues on or around the 17^th of every month. We collect annual fees once per year from each member based upon when the member signed his or her membership agreement. System-wide sales were $659 million and $534 million, during the three months ended September 30, 2018 and 2017, respectively, and $2,061 million and $1,726 million during the nine months ended September 30, 2018 and 2017, respectively.

Non-GAAP financial measures

We refer to EBITDA and Adjusted EBITDA as we use these measures to evaluate our operating performance and we believe these measures provide useful information to investors in evaluating our performance. EBITDA and Adjusted EBITDA as presented in this Quarterly Report on Form 10-Q are supplemental measures of our performance that are neither required by, nor presented in accordance with U.S. GAAP. EBITDA and Adjusted EBITDA should not be considered as substitutes for U.S. GAAP metrics such as net income or any other performance measures derived in accordance with U.S. GAAP. Also, in the future we may incur expenses or charges such as those used to calculate Adjusted EBITDA. Our presentation of EBITDA and Adjusted EBITDA should not be construed as an inference that our future results will be unaffected by unusual or nonrecurring items. We have also disclosed Segment EBITDA as an important financial metric utilized by the Company to evaluate performance and allocate resources to segments in accordance with ASC 280, Segment Reporting. As part of such disclosure in “Our Segments” within Management’s Discussion and Analysis of Financial Condition and Results of Operations, the Company has provided a reconciliation from income from operations to Total Segment EBITDA, which is equal to the Non-GAAP financial metric EBITDA.

We define EBITDA as net income before interest, taxes, depreciation and amortization. We believe that EBITDA, which eliminates the impact of certain expenses that we do not believe reflect our underlying business performance, provides useful information to investors to assess the performance of our segments as well as the business as a whole. Our Board of Directors also uses EBITDA as a key metric to assess the performance of management. We define Adjusted EBITDA as net income before interest, taxes, depreciation and amortization, adjusted for the impact of certain additional non-cash and other items that we do not consider in our evaluation of ongoing performance of the Company’s core operations. These items include certain purchase accounting adjustments, stock offering-related costs, and certain other charges and gains. We believe that Adjusted EBITDA is an appropriate measure of operating performance in addition to EBITDA because it eliminates the impact of other items that we believe reduce the comparability of our underlying core business performance from period to period and is therefore useful to our investors in comparing the core performance of our business from period to period. Four-wall EBITDA is an assessment of store-level profitability for stores included in the same-store-sales base, which adjusts for certain administrative and other items that we do not consider in our evaluation of individual store-level performance.

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A reconciliation of net income to EBITDA and Adjusted EBITDA is set forth below for the three and nine months ended September 30, 2018 and 2017:

	Three months ended September 30,						Nine months ended September 30,
	2018			2017			2018			2017
(in thousands)
Net income	$	20,472		$	18,902		$	74,384		$	54,772
Interest income	(2,025		)	(18		)	(2,480		)	(24		)
Interest expense	17,909			8,938			35,725			26,735
Provision for income taxes	7,190			6,540			23,335			23,933
Depreciation and amortization	8,863			8,137			25,947			23,982
EBITDA	$	52,409		$	42,499		$	156,911		$	129,398
Purchase accounting adjustments-revenue(1)	527			336			941			1,116
Purchase accounting adjustments-rent(2)	198			174			548			561
Loss on reacquired franchise rights(3)	10			—			360			—
Transaction fees(4)	254			—			290			1,021
Stock offering-related costs(5)	—			41			—			977
Severance costs(6)	—			—			352			—
Pre-opening costs(7)	370			421			853			421
Equipment discount(8)	—			(107		)	—			(107		)
Early lease termination costs(9)	—			—			—			719
Other(10)	19			—			685			(573		)
Adjusted EBITDA	$	53,787		$	43,364		$	160,940		$	133,533

(1) Represents the impact of revenue-related purchase accounting adjustments associated with the 2012 Acquisition. At the time of the 2012 Acquisition, the Company maintained a deferred revenue account, which consisted of deferred ADA fees, deferred franchise fees, and deferred enrollment fees that the Company billed and collected up front but recognizes for U.S. GAAP purposes at a later date. In connection with the 2012 Acquisition, it was determined that the carrying amount of deferred revenue was greater than the fair value assessed in accordance with ASC 805—Business Combinations, which resulted in a write-down of the carrying value of the deferred revenue balance upon application of acquisition push-down accounting under ASC 805. These amounts represent the additional revenue that would have been recognized in these periods if the write-down to deferred revenue had not occurred in connection with the application of acquisition pushdown accounting.

(2) Represents the impact of rent-related purchase accounting adjustments. In accordance with guidance in ASC 805 – Business Combinations, in connection with the 2012 Acquisition, the Company’s deferred rent liability was required to be written off as of the acquisition date and rent was recorded on a straight-line basis from the acquisition date through the end of the lease term. This resulted in higher overall recorded rent expense each period than would have otherwise been recorded had the deferred rent liability not been written off as a result of the acquisition push down accounting applied in accordance with ASC 805. Adjustments of $105, $100, $272 and $306 in the three and nine months ended September 30, 2018 and 2017, respectively, reflect the difference between the higher rent expense recorded in accordance with U.S. GAAP since the acquisition and the rent expense that would have been recorded had the 2012 Acquisition not occurred. Adjustments of $93, $75, $276 and $255 in the three and nine months ended September 30, 2018 and 2017, respectively, are due to the amortization of favorable and unfavorable lease intangible assets. All of the rent related purchase accounting adjustments are adjustments to rent expense which is included in store operations on our consolidated statements of operations.

(3) Represents the impact of a non-cash loss recorded in accordance with ASC 805 - Business Combinations related to our acquisition of six franchisee-owned stores on January 1, 2018 and our acquisition of four franchisee-owned stores on August 10, 2018. The loss recorded under GAAP represents the difference between the fair value of the reacquired franchise rights and the contractual terms of the reacquired franchise rights and is included in other (gain) loss on our consolidated statements of operations.

(4) Represents transaction fees and expenses related to the issuance of the Series 2018-1 Senior Notes in 2018 and the amendment of our previous credit facilities in 2017.

(5) Represents legal, accounting and other costs incurred in connection with offerings of the Company’s Class A common stock.

(6) Represents severance expense recorded in connection with an equity award modification.

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(7) Represents costs associated with new corporate-owned stores incurred prior to the store opening, including payroll-related costs, rent and occupancy expenses, marketing and other store operating supply expenses.

(8) Represents a gain recorded in connection with the write-off of a previously accrued deferred equipment discount that can no longer be utilized. This amount was originally recognized through purchase accounting in connection with the acquisition of eight franchisee-owned stores on March 31, 2014.

(9) Represents charges and expenses incurred in connection with the early termination of the lease for our previous headquarters.

(10) Represents certain other charges and gains that we do not believe reflect our underlying business performance. In the nine months endedSeptember 30, 2018, this amount includes $342 related to the reversal of a tax indemnification receivable. In the nine months endedSeptember 30, 2018 and 2017, this amount includes a gain of $354 and $541, respectively, related to the adjustment of our tax benefit arrangements primarily due to changes in our effective tax rate. Additionally, in the nine months endedSeptember 30, 2018, this amount includes expense of $590 related to the write off of certain assets that were being tested for potential use across the system.

As a result of the recapitalization transactions that occurred prior to our IPO, the limited liability company agreement of Pla-Fit Holdings was amended and restated (the “LLC Agreement”) to, among other things, designate Planet Fitness, Inc. as the sole managing member of Pla-Fit Holdings. As sole managing member, Planet Fitness, Inc. exclusively operates and controls the business and affairs of Pla-Fit Holdings. As a result of the recapitalization transactions and the LLC Agreement, Planet Fitness, Inc. now consolidates Pla-Fit Holdings, and Pla-Fit Holdings is considered the predecessor to Planet Fitness, Inc. for accounting purposes. Our presentation of Adjusted net income and Adjusted net income per share, diluted, gives effect to the consolidation of Pla-Fit Holdings with Planet Fitness, Inc. resulting from the recapitalization transactions and the LLC Agreement as if they had occurred on January 1, 2017. In addition, Adjusted net income assumes that all net income is attributable to Planet Fitness, Inc., which assumes the full exchange of all outstanding Holdings Units for shares of Class A common stock of Planet Fitness, Inc., adjusted for certain non-recurring items that we do not believe directly reflect our core operations. Adjusted net income per share, diluted, is calculated by dividing Adjusted net income by the total shares of Class A common stock outstanding plus any dilutive options and restricted stock units as calculated in accordance with U.S. GAAP and assuming the full exchange of all outstanding Holdings Units and corresponding Class B common stock as of the beginning of each period presented. Adjusted net income and Adjusted net income per share, diluted, are supplemental measures of operating performance that do not represent, and should not be considered, alternatives to net income and earnings per share, as calculated in accordance with U.S. GAAP. We believe Adjusted net income and Adjusted net income per share, diluted, supplement U.S. GAAP measures and enable us to more effectively evaluate our performance period-over-period. A reconciliation of Adjusted net income to net income, the most directly comparable U.S. GAAP measure, and the computation of Adjusted net income per share, diluted, are set forth below.

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	Three months ended September 30,					Nine months ended September 30,
(in thousands, except per share amounts)	2018		2017			2018		2017
Net income	$	20,472	$	18,902		$	74,384	$	54,772
Provision for income taxes, as reported	7,190		6,540			23,335		23,933
Purchase accounting adjustments-revenue(1)	527		336			941		1,116
Purchase accounting adjustments-rent(2)	198		174			548		561
Loss on reacquired franchise rights(3)	10		—			360		—
Transaction fees(4)	254		—			290		1,021
Loss on extinguishment of debt(5)	4,570		—			4,570		—
Stock offering-related costs(6)	—		41			—		977
Severance costs(7)	—		—			352		—
Pre-opening costs(8)	370		421			853		421
Equipment discount(9)	—		(107		)	—		(107		)
Early lease termination costs(10)	—		—			—		1,143
Other(11)	19		—			685		(573		)
Purchase accounting amortization(12)	3,934		4,622			11,776		13,867
Adjusted income before income taxes	$	37,544	$	30,929		$	118,094	$	97,131
Adjusted income taxes(13)	9,874		12,217			31,059		38,367
Adjusted net income	$	27,670	$	18,712		$	87,035	$	58,764
Adjusted net income per share, diluted	$	0.28	$	0.19		$	0.88	$	0.60
Adjusted weighted-average shares outstanding(14)	98,462		98,428			98,615		98,445

(1) Represents the impact of revenue-related purchase accounting adjustments associated with the 2012 Acquisition. At the time of the 2012 Acquisition, the Company maintained a deferred revenue account, which consisted of deferred ADA fees, deferred franchise fees, and deferred enrollment fees that the Company billed and collected up front but recognizes for U.S. GAAP purposes at a later date. In connection with the 2012 Acquisition, it was determined that the carrying amount of deferred revenue was greater than the fair value assessed in accordance with ASC 805—Business Combinations, which resulted in a write-down of the carrying value of the deferred revenue balance upon application of acquisition push-down accounting under ASC 805. These amounts represent the additional revenue that would have been recognized in these periods if the write-down to deferred revenue had not occurred in connection with the application of acquisition pushdown accounting.

(2) Represents the impact of rent-related purchase accounting adjustments. In accordance with guidance in ASC 805 – Business Combinations, in connection with the 2012 Acquisition, the Company’s deferred rent liability was required to be written off as of the acquisition date and rent was recorded on a straight-line basis from the acquisition date through the end of the lease term. This resulted in higher overall recorded rent expense each period than would have otherwise been recorded had the deferred rent liability not been written off as a result of the acquisition push down accounting applied in accordance with ASC 805. Adjustments of $105, $100, $272 and $306 in the three and nine months ended September 30, 2018 and 2017, respectively, reflect the difference between the higher rent expense recorded in accordance with U.S. GAAP since the acquisition and the rent expense that would have been recorded had the 2012 Acquisition not occurred. Adjustments of $93, $75, $276 and $255 for the three and nine months ended September 30, 2018 and 2017, respectively, are due to the amortization of favorable and unfavorable lease intangible assets. All of the rent related purchase accounting adjustments are adjustments to rent expense which is included in store operations on our consolidated statements of operations.

(3) Represents the impact of a non-cash loss recorded in accordance with ASC 805 - Business Combinations related to our acquisition of six franchisee-owned stores on January 1, 2018 and our acquisition of four franchisee-owned stores on August 10, 2018. The loss recorded under GAAP represents the difference between the fair value of the reacquired franchise rights and the contractual terms of the reacquired franchise rights and is included in other (gain) loss on our consolidated statements of operations.

(4) Represents transaction fees and expenses related to the issuance of the Series 2018-1 Senior Notes in 2018 and the amendment of our previous credit facilities in 2017.

(5) Represents a loss on extinguishment of debt related to the write-off of deferred financing costs associated with the Term Loan B which the Company repaid in August 2018.

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(6) Represents legal, accounting and other costs incurred in connection with offerings of the Company’s Class A common stock.

(7) Represents severance expense recorded in connection with an equity award modification.

(8) Represents costs associated with new corporate-owned stores incurred prior to the store opening, including payroll-related costs, rent and occupancy expenses, marketing and other store operating supply expenses.

(9) Represents a gain recorded in connection with the write-off of a previously accrued deferred equipment discount that can no longer be utilized. This amount was originally recognized through purchase accounting in connection with the acquisition of eight franchisee-owned stores on March 31, 2014.

(10) Represents charges and expenses incurred in connection with the early termination of the lease for our previous headquarters.

(11) Represents certain other charges and gains that we do not believe reflect our underlying business performance. In the nine months endedSeptember 30, 2018, this amount includes $342 related to the reversal of a tax indemnification receivable. In the nine months endedSeptember 30, 2018 and 2017, this amount includes a gain of $354 and $541, respectively, related to the adjustment of our tax benefit arrangements primarily due to changes in our effective tax rate. Additionally, in the nine months endedSeptember 30, 2018, this amount includes expense of $590 related to the write off of certain assets that were being tested for potential use across the system.

(12) Includes $3,096, $4,086, $9,288 and $12,258 of amortization of intangible assets, other than favorable leases, for the three and nine months ended September 30, 2018 and 2017, respectively, recorded in connection with the 2012 Acquisition, and $838, $536, $2,488 and $1,609 of amortization of intangible assets for the three months ended September 30, 2018 and 2017, respectively, recorded in connection with historical acquisitions of franchisee-owned stores. The adjustment represents the amount of actual non-cash amortization expense recorded, in accordance with U.S. GAAP, in each period.

(13) Represents corporate income taxes at an assumed effective tax rate of 26.3% and 39.5% for the three and nine months ended September 30, 2018 and 2017, respectively, applied to adjusted income before income taxes.

(14) Assumes the full exchange of all outstanding Holdings Units and corresponding shares of Class B common stock for shares of Class A common stock of Planet Fitness, Inc.

A reconciliation of net income per share, diluted, to Adjusted net income per share, diluted is set forth below for three and nine months ended September 30, 2018 and 2017:

	For the three months ended September 30, 2018					For the three months ended September 30, 2017
(in thousands, except per share amounts)	Net income		Weighted Average Shares	Net income per share, diluted		Net income		Weighted Average Shares	Net income per share, diluted
Net income attributable to Planet Fitness, Inc.(1)	$	17,471	88,458	$	0.20	$	15,345	85,734	$	0.18
Assumed exchange of shares(2)	3,001		10,004			3,557		12,694
Net Income	20,472					18,902
Adjustments to arrive at adjusted income    before income taxes(3)	17,072					12,027
Adjusted income before income taxes	37,544					30,929
Adjusted income taxes(4)	9,874					12,217
Adjusted Net Income	$	27,670	98,462	$	0.28	$	18,712	98,428	$	0.19

(1) Represents net income attributable to Planet Fitness, Inc. and the associated weighted average shares, diluted of Class A common stock outstanding.

(2) Assumes the full exchange of all outstanding Holdings Units and corresponding shares of Class B common stock for shares of Class A common stock of Planet Fitness, Inc. Also assumes the addition of net income attributable to non-controlling interests corresponding with the assumed exchange of Holdings Units and Class B common shares for shares of Class A common stock.

(3) Represents the total impact of all adjustments identified in the adjusted net income table above to arrive at adjusted income before income taxes.

(4) Represents corporate income taxes at an assumed effective tax rate of 26.3% and 39.5% for the three and nine months ended September 30, 2018 and 2017, respectively, applied to adjusted income before income taxes.

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	For the nine months ended September 30, 2018					For the nine months ended September 30, 2017
(in thousands, except per share amounts)	Net income		Weighted Average Shares	Net income per share, diluted		Net income		Weighted Average Shares	Net income per share, diluted
Net income attributable to Planet Fitness, Inc.(1)	$	63,226	88,064	$	0.72	$	36,599	76,435	$	0.48
Assumed exchange of shares(2)	11,158		10,551			18,173		22,010
Net Income	74,384					54,772
Adjustments to arrive at adjusted income    before income taxes(3)	43,710					42,359
Adjusted income before income taxes	118,094					97,131
Adjusted income taxes(4)	31,059					38,367
Adjusted Net Income	$	87,035	98,615	$	0.88	$	58,764	98,445	$	0.60

(1) Represents net income attributable to Planet Fitness, Inc. and the associated weighted average shares, diluted of Class A common stock outstanding.

(2) Assumes the full exchange of all outstanding Holdings Units and corresponding shares of Class B common stock for shares of Class A common stock of Planet Fitness, Inc. Also assumes the addition of net income attributable to non-controlling interests corresponding with the assumed exchange of Holdings Units and Class B common shares for shares of Class A common stock.

(3) Represents the total impact of all adjustments identified in the adjusted net income table above to arrive at adjusted income before income taxes.

(4) Represents corporate income taxes at an assumed effective tax rate of 26.3% and 39.5% for the three and nine months ended September 30, 2018 and 2017, respectively, applied to adjusted income before income taxes.

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Results of operations

The following table sets forth our condensed consolidated statements of operations as a percentage of total revenue for the three and nine months ended September 30, 2018 and 2017:

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Revenue:
Franchise revenue	30.7	%	32.2	%	32.5	%	31.9	%
Commission income	1.1	%	4.3	%	1.2	%	5.3	%
National advertising fund revenue	8.3	%	—	%	8.3	%	—	%
Franchise segment	40.1	%	36.5	%	42.0	%	37.2	%
Corporate-owned stores	25.9	%	29.3	%	25.7	%	28.4	%
Equipment	34.0	%	34.2	%	32.3	%	34.4	%
Total revenue	100.0	%	100.0	%	100.0	%	100.0	%
Operating costs and expenses:
Cost of revenue	27.0	%	26.5	%	25.1	%	26.5	%
Store operations	13.7	%	16.0	%	13.8	%	15.3	%
Selling, general and administrative	12.6	%	14.4	%	13.1	%	14.4	%
National advertising fund expense	8.3	%	—	%	8.3	%	—	%
Depreciation and amortization	6.5	%	8.3	%	6.5	%	8.1	%
Other loss (gain)	—	%	—	%	0.2	%	0.1	%
Total operating costs and expenses	68.1	%	65.2	%	67.0	%	64.4	%
Income from operations	31.9	%	34.8	%	33.0	%	35.6	%
Other income (expense), net:
Interest income	1.5	%	—	%	0.6	%	—	%
Interest expense	(13.1	)%	(9.1	)%	(9.0	)%	(9.0	)%
Other expense	—	%	0.4	%	(0.1	)%	0.1	%
Total other expense, net	(11.6	)%	(8.7	)%	(8.5	)%	(8.9	)%
Income before income taxes	20.3	%	26.1	%	24.5	%	26.7	%
Provision for income taxes	5.3	%	6.7	%	5.9	%	8.1	%
Net income	15.0	%	19.4	%	18.6	%	18.6	%
Less net income attributable to non-controlling interests	2.2	%	3.6	%	2.8	%	6.1	%
Net income attributable to Planet Fitness, Inc.	12.8	%	15.8	%	15.8	%	12.5	%

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The following table sets forth a comparison of our condensed consolidated statements of operations for the three and nine months ended September 30, 2018 and 2017:

	Three months ended September 30,						Nine months ended September 30,
	2018			2017			2018			2017
(in thousands)
Revenue:
Franchise revenue	$	41,997		$	31,413		$	129,575		$	94,485
Commission income	1,448			4,149			5,012			15,668
National advertising fund revenue	11,377			—			32,997			—
Franchise segment	54,822			35,562			167,584			110,153
Corporate-owned stores	35,406			28,560			102,365			83,886
Equipment	46,428			33,374			128,589			101,875
Total revenue	136,656			97,496			398,538			295,914
Operating costs and expenses:
Cost of revenue	36,871			25,819			100,114			78,395
Store operations	18,751			15,551			55,154			45,339
Selling, general and administrative	17,233			14,071			52,066			42,659
National advertising fund expense	11,377			—			32,997			—
Depreciation and amortization	8,863			8,137			25,947			23,982
Other loss (gain)	(12		)	(36		)	958			280
Total operating costs and expenses	93,083			63,542			267,236			190,655
Income from operations	43,573			33,954			131,302			105,259
Other income (expense), net:
Interest income	2,025			18			2,480			24
Interest expense	(17,909		)	(8,938		)	(35,725		)	(26,735		)
Other expense	(27		)	408			(338		)	157
Total other expense, net	(15,911		)	(8,512		)	(33,583		)	(26,554		)
Income before income taxes	27,662			25,442			97,719			78,705
Provision for income taxes	7,190			6,540			23,335			23,933
Net income	20,472			18,902			74,384			54,772
Less net income attributable to non-controlling interests	3,001			3,557			11,158			18,173
Net income attributable to Planet Fitness, Inc.	$	17,471		$	15,345		$	63,226		$	36,599

Comparison of the three months ended September 30, 2018 and three months ended September 30, 2017

Revenue

Total revenues were $136.7 million in the three months ended September 30, 2018, compared to $97.5 million in the three months ended September 30, 2017, an increase of $39.2 million, or 40.2%.

Franchise segment revenue was $54.8 million in the three months ended September 30, 2018, compared to $35.6 million in the three months ended September 30, 2017, an increase of $19.3 million, or 54.2%.

Franchise revenue was $42.0 million in the three months ended September 30, 2018 compared to $31.4 million in the three months ended September 30, 2017, an increase of $10.6 million or 33.7%. Included in franchise revenue is royalty revenue of $36.0 million, franchise and other fees of $3.5 million, and placement revenue of $2.5 million for the three months ended September 30, 2018, compared to royalty revenue of $22.0 million, franchise and other fees of $7.0 million, and placement revenue of $2.4 million for the three months ended September 30, 2017. The $13.9 million increase in royalty revenue was primarily driven by $7.0 million due to higher royalty rates on monthly dues and $2.3 million due to higher royalties on annual fees, primarily as a result of the franchise agreements that were amended to increase royalty rates by 1.59% which were offset by a corresponding decrease in franchise and other fees as well as reduced commission income (the "Rebate to Royalty Amendment"). Additionally, $2.6 million was attributable to royalties from new stores in 2018, as well as stores that opened in 2017 that were not included in the same store sales base, and $2.0 million attributable to a same store sales increase of 9.9% in franchisee-owned stores. The $3.4

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million decrease in franchise and other fees was primarily driven by the Rebate to Royalty Amendment mentioned above in the three months ended September 30, 2018 as compared to the three months ended September 30, 2017.

Commission income, which is included in our franchise segment, was $1.4 million in the three months ended September 30, 2018 compared to $4.1 million in the three months ended September 30, 2017. The $2.7 million decrease was primarily attributable to the Rebate to Royalty Amendment mentioned above.

National advertising fund revenue was $11.4 million in the three months ended September 30, 2018, compared to zero in the three months ended September 30, 2017, as a result of the adoption of the new revenue recognition standard ASC 606. This revenue is offset by national advertising fund expenses below. See Note 15 in the notes to the consolidated financial statements.

Revenue from our corporate-owned stores segment was $35.4 million in the three months ended September 30, 2018, compared to $28.6 million in the three months ended September 30, 2017, an increase of $6.8 million, or 24.0%. The increase was due to higher revenue of $5.2 million from new corporate-owned stores opened or acquired since June 30, 2017, higher same store sales from corporate-owned stores which increased 6.1% in the three months ended September 30, 2018 and contributed incremental revenues of $1.4 million, and higher annual fee revenue of $0.3 million.

Equipment segment revenue was $46.4 million in the three months ended September 30, 2018, compared to $33.4 million in the three months ended September 30, 2017, an increase of $13.1 million, or 39.1%. The increase was driven by an increase in replacement equipment sales to existing franchisee-owned stores in the three months ended September 30, 2018, as compared to the three months ended September 30, 2017, as well as higher equipment sales to new franchisee-owned stores related to 15 additional new equipment sales in the three months ended September 30, 2018 compared to the three months ended September 30, 2017.

Cost of revenue

Cost of revenue was $36.9 million in the three months ended September 30, 2018 compared to $25.8 million in the three months ended September 30, 2017, an increase of $11.1 million, or 42.8%. Cost of revenue, which relates to our equipment segment, increased due to 15 additional equipment sales to new franchisee-owned stores, in addition to an increase in replacement equipment sales to existing franchisee-owned stores in the three months ended September 30, 2018, as compared to the three months ended September 30, 2017.

Store operations

Store operation expenses, which relate to our corporate-owned stores segment, were $18.8 million in the three months ended September 30, 2018 compared to $15.6 million in the three months ended September 30, 2017, an increase of $3.2 million, or 20.6%. The increase was primarily attributable to the acquisition of six franchisee-owned stores on January 1, 2018, the acquisition of four franchisee-owned stores on August 10, 2018, and the opening of five new corporate-owned stores since June 30, 2017.

Selling, general and administrative

Selling, general and administrative expenses were $17.2 million in the three months ended September 30, 2018 compared to $14.1 million in the three months ended September 30, 2017, an increase of $3.2 million, or 22.5%. The $3.2 million increase was primarily due to additional expenses incurred during the three months ended September 30, 2018 to support our growing operations, including additional headcount and equity-based compensation. With respect to our growing operations, we anticipate that our selling, general and administrative expenses will continue to increase as our franchisee-owned store count continues to grow.

National advertising fund expense

National advertising fund expense was $11.4 million in the three months ended September 30, 2018 compared to zero in the three months ended September 30, 2017, as a result of the adoption of the new revenue recognition standard ASC 606. This expense is offset by national advertising fund revenue as described above. See Note 15 in the notes to the consolidated financial statements.

Depreciation and amortization

Depreciation and amortization expense consists of the depreciation of property and equipment, including leasehold and building improvements and equipment. Amortization expense consists of amortization related to our intangible assets, including customer relationships and non-compete agreements.

Depreciation and amortization expense was $8.9 million in the three months ended September 30, 2018 compared to $8.1 million in the three months ended September 30, 2017, an increase of $0.7 million, or 8.9%. The increase was primarily attributable to the acquisition and opening of corporate-owned stores since June 30, 2017.

Other loss (gain)

Other loss (gain) was zero in both the three months ended September 30, 2018 and 2017.

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Interest income

Interest income was $2.0 million in the three months ended September 30, 2018, compared to $0 in the three months ended September 30, 2017. The increase was due to the increase in the cash balance in connection with the issuance of the Class A-2 Notes.

Interest expense

Interest expense primarily consists of interest on long-term debt as well as the amortization of deferred financing costs.  

Interest expense was $17.9 million in the three months ended September 30, 2018 compared to $8.9 million in the three months ended September 30, 2017. Included in interest expense in the three months ended September 30, 2018 was $4.6 million of losses on extinguishment of debt recorded in connection with the repayment of our Term Loan B which was repaid in August 2018, as well as higher interest expense related to the issuance of $1.2 billion of Class A-2 Notes.

Other (expense) income

Other expense was zero in the three months ended September 30, 2018 compared to income of $0.4 million in the three months ended September 30, 2017, a decrease of $0.4 million. In the three months ended September 30, 2017, other income included $0.3 million of foreign currency gains.

Provision for income taxes

Income tax expense was $7.2 million in the three months ended September 30, 2018, compared to $6.5 million in the three months ended September 30, 2017, a increase of $0.7 million. The increase in the provision for income taxes was primarily attributable to the recognition of an income tax benefit in connection with the filing of tax returns in the three months ended September 30, 2017, partially offset by a lower U.S. statutory tax rate in 2018 as evidenced by our effective tax rate of 26.0% for the three months ended September 30, 2018 compared to 25.7% for the three months ended September 30, 2017.

Segment results

Franchise

Segment EBITDA for the franchise segment was $37.1 million in the three months ended September 30, 2018 compared to $29.9 million in the three months ended September 30, 2017, an increase of $7.2 million, or 23.9%. This increase was primarily the result of growth in our franchise segment revenue of $7.0 million due to higher royalty rates on monthly dues and $2.3 million due to higher royalties on annual fees, primarily as a result of the Rebate to Royalty Amendment. Additionally, $2.6 million was attributable to royalties from new stores in 2018, as well as stores that opened in 2017 that were not included in the same store sales base and $2.0 million attributable to a same store sales increase of 9.9% in franchisee-owned stores. The increase in revenue was partially offset by $2.7 million of lower commission income and $3.4 million of lower franchise and other fee revenue in connection to the Rebate to Royalty Amendment, and $0.7 million of higher franchise-related selling, general, and administrative expense to support our growing franchise operations. Depreciation and amortization was $2.0 million and $2.1 million for the three months ended September 30, 2018 and 2017, respectively.

Corporate-owned stores

Segment EBITDA for the corporate-owned stores segment was $15.3 million in the three months ended September 30, 2018 compared to $12.0 million in the three months ended September 30, 2017, an increase of $3.2 million, or 26.8%. Of this increase, $2.4 million increase was attributable to the stores acquired, opened and planned to open since June 30, 2017. An additional $0.8 million was from stores included in our same store sales base in the three months ended September 30, 2018, compared to the three months ended September 30, 2017. Depreciation and amortization was $5.3 million and $4.0 million for the three months ended September 30, 2018 and 2017, respectively. The increase in depreciation and amortization was primarily attributable to the stores acquired and opened since June 30, 2017.

Equipment

Segment EBITDA for the equipment segment was $9.7 million in the three months ended September 30, 2018 compared to $7.7 million in the three months ended September 30, 2017, an increase of $2.0 million, or 25.7%, primarily driven by an increase in replacement equipment sales to existing franchisee-owned stores in the three months ended September 30, 2018 compared to the three months ended September 30, 2017, in addition to 15 additional equipment sales to new franchisee-owned stores in the three months ended September 30, 2018 compared to the three months ended September 30, 2017. Depreciation and amortization was $1.3 million and $1.6 million for the three months ended September 30, 2018 and 2017, respectively.

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Comparison of the nine months ended September 30, 2018 and nine months ended September 30, 2017

Revenue

Total revenues were $398.5 million in the nine months ended September 30, 2018, compared to $295.9 million in the nine months ended September 30, 2017, an increase of $102.6 million, or 34.7%.

Franchise segment revenue was $167.6 million in the nine months ended September 30, 2018, compared to $110.2 million in the nine months ended September 30, 2017, an increase of $57.4 million, or 52.1%.

Franchise revenue was $129.6 million in the nine months ended September 30, 2018 compared to $94.5 million in the nine months ended September 30, 2017, an increase of $35.1 million or 37.1%. Included in franchise revenue is royalty revenue of $108.7 million, franchise and other fees of $13.2 million, and placement revenue of $7.7 million for the nine months ended September 30, 2018, compared to royalty revenue of $66.5 million, franchise and other fees of $20.6 million, and placement revenue of $7.4 million for the nine months ended September 30, 2017. Of the $42.2 million increase in royalty revenue, $20.7 million was primarily attributable to higher royalty rates on monthly dues and $8.3 million was attributable to higher royalties on annual fees, primarily as a result of the Rebate to Royalty Amendment. Additionally, $7.2 million was attributable to royalties from new stores in 2018, as well as stores that opened in 2017 that were not included in the same store sales base, and $5.9 million was attributable to a same store sales increase of 10.5% in franchisee-owned stores. The $7.4 million decrease in franchise and other fees was primarily driven by the Rebate to Royalty Amendment mentioned above in the nine months ended September 30, 2018 as compared to the nine months ended September 30, 2017.

Commission income, which is included in our franchise segment, was $5.0 million in the nine months ended September 30, 2018 compared to $15.7 million in the nine months ended September 30, 2017. The $10.7 million decrease was primarily attributable to the Rebate to Royalty Amendment mentioned above.

National advertising fund revenue was $33.0 million in the nine months ended September 30, 2018, compared to zero in the nine months ended September 30, 2017, as a result of the adoption of the new revenue recognition standard ASC 606. This revenue is offset by national advertising fund expenses below. See Note 15 in the notes to the consolidated financial statements.

Revenue from our corporate-owned stores segment was $102.4 million in the nine months ended September 30, 2018, compared to $83.9 million in the nine months ended September 30, 2017, an increase of $18.5 million, or 22.0%. The increase was due to higher revenue of $12.4 million from new corporate-owned stores opened and acquired since January 1, 2017, higher same store sales from corporate-owned stores which increased 5.6% in the nine months ended September 30, 2018 and contributed incremental revenues of $4.5 million, and higher annual fees of $1.5 million.

Equipment segment revenue was $128.6 million in the nine months ended September 30, 2018, compared to $101.9 million in the nine months ended September 30, 2017, an increase of $26.7 million, or 26.2%. The increase was driven by an increase in replacement equipment sales to existing franchisee-owned stores in the nine months ended September 30, 2018, as compared to the nine months ended September 30, 2017, as well as higher equipment sales to new franchisee-owned stores related to 23 additional new equipment sales in the nine months ended September 30, 2018 compared to the nine months ended September 30, 2017.

Cost of revenue

Cost of revenue was $100.1 million in the nine months ended September 30, 2018 compared to $78.4 million in the nine months ended September 30, 2017, an increase of $21.7 million, or 27.7%. Cost of revenue, which relates to our equipment segment, increased due to 23 additional equipment sales to new franchisee-owned stores, in addition to an increase in replacement equipment sales to existing franchisee-owned stores in the nine months ended September 30, 2018, as compared to the nine months ended September 30, 2017.

Store operations

Store operation expenses, which relate to our corporate-owned stores segment, were $55.2 million in the nine months ended September 30, 2018 compared to $45.3 million in the nine months ended September 30, 2017, an increase of $9.8 million, or 21.6%. The increase was primarily attributable to the acquisition of six franchisee-owned stores on January 1, 2018, the acquisition of four franchisee-owned stores on August 10, 2018, and the opening of five new corporate-owned stores since January 1, 2017 and expenses related to future openings.

Selling, general and administrative

Selling, general and administrative expenses were $52.1 million in the nine months ended September 30, 2018 compared to $42.7 million in the nine months ended September 30, 2017, an increase of $9.4 million, or 22.1%. The $9.4 million increase was primarily due to additional expenses incurred during the nine months ended September 30, 2018 to support our growing operations, including additional headcount, equity-based compensation, and costs related to our franchisee conference which occurs approximately every 18 months. Partially offsetting this increase was $1.0 million of lower costs incurred in connection with

44

secondary offerings in the nine months ended September 30, 2018 as compared to the nine months ended September 30, 2017. With respect to our growing operations, we anticipate that our selling, general and administrative expenses will continue to increase as our franchisee-owned store count continues to grow.

National advertising fund expense

National advertising fund expense was $33.0 million in the nine months ended September 30, 2018 compared to zero in the nine months ended September 30, 2017, as a result of the adoption of the new revenue recognition standard ASC 606. This expense is offset by national advertising fund revenue as described above. See Note 15 in the notes to the consolidated financial statements.

Depreciation and amortization

Depreciation and amortization expense consists of the depreciation of property and equipment, including leasehold and building improvements and equipment. Amortization expense consists of amortization related to our intangible assets, including customer relationships and non-compete agreements.

Depreciation and amortization expense was $25.9 million in the nine months ended September 30, 2018 compared to $24.0 million in the nine months ended September 30, 2017, an increase of $2.0 million, or 8.2%. The increase was primarily attributable the acquisition and opening of corporate-owned stores since January 1, 2017.

Other loss

Other loss was $1.0 million in the nine months ended September 30, 2018 compared to $0.3 million in the nine months ended September 30, 2017. In the nine months ended September 30, 2018, this amount includes $0.6 million due to write off of certain assets that were being tested for possible use across the system and $0.4 million related to the loss on reacquired franchise rights recorded in relation to the acquisition of six franchisee-owned stores on January 1, 2018.

Interest income

Interest income was $2.5 million in the nine months ended September 30, 2018 compared to $0 in the nine months ended September 30, 2017. The increase was due to the increase in cash balance in connection with the securitized debt transaction.

Interest expense

Interest expense primarily consists of interest on long-term debt as well as the amortization of deferred financing costs.  

Interest expense was $35.7 million in the nine months ended September 30, 2018 compared to $26.7 million in the nine months ended September 30, 2017. Included in interest expense in the nine months ended September 30, 2018 was $4.6 million of losses on extinguishment of debt recorded in connection with the repayment of our Term Loan B, which was repaid in August 2018 as well as higher interest expense related to our $1.2 billion of Class A-2 Notes.

Other (expense) income

Other (expense) income was $0.3 million of expense in the nine months ended September 30, 2018 and income of $0.2 million in the nine months ended September 30, 2017.

Provision for income taxes

Income tax expense was $23.3 million in the nine months ended September 30, 2018, compared to $23.9 million in the nine months ended September 30, 2017, a decrease of $0.6 million. The decrease in the provision for income taxes was primarily attributable to the decrease in the tax rate effective January 1, 2018 as evidenced by our lower effective tax rate of 23.9% for the nine months ended September 30, 2018 compared to 30.4% for the nine months ended September 30, 2017, partially offset by the Company’s increased income before taxes and increased pro rata share of income from Pla-Fit Holdings in the nine months ended September 30, 2018 compared to the nine months ended September 30, 2017 as a result of the exchanges by Continuing LLC Owners of Holdings Units for shares of Class A common stock.

Segment results

Franchise

Segment EBITDA for the franchise segment was $113.8 million in the nine months ended September 30, 2018 compared to $94.4 million in the nine months ended September 30, 2017, an increase of $19.3 million, or 20.5%. This increase was primarily the result of growth in our franchise segment revenue of $20.7 million which was primarily attributable to higher royalty rates on monthly dues and $8.3 million was attributable to higher royalties on annual fees, primarily as a result of the Rebate to Royalty Amendment. Additionally, $7.2 million was attributable to royalties from new stores in 2018, as well as stores that opened in 2017 that were not included in the same store sales base, and $5.9 million was attributable to a same store sales increase of 10.5% in franchisee-owned stores. The increase in revenue was partially offset by $10.7 million of lower commission income and $7.4 million of lower franchise and other fee revenue in conjunction with the Rebate to Royalty Amendment mentioned above, and

45

$5.1 million of higher franchise-related selling, general, and administrative expense to support our growing franchise operations. Depreciation and amortization was $5.9 million and $6.4 million for the nine months ended September 30, 2018 and 2017, respectively.

Corporate-owned stores

Segment EBITDA for the corporate-owned stores segment was $42.1 million in the nine months ended September 30, 2018 compared to $35.6 million in the nine months ended September 30, 2017, an increase of $6.5 million, or 18.4%. Of this increase, $4.1 million of the increase is attributable to the stores acquired, opened and planned to open since January 1, 2017. An additional $3.5 million was related to stores included in our same store sales base in the nine months ended September 30, 2018, compared to the nine months ended September 30, 2017. Partially offsetting these increases is $0.7 million of foreign currency losses and a $0.4 million loss on reacquired franchise rights recorded in connection with the acquisition of ten franchisee-owned stores in 2018. Depreciation and amortization was $15.0 million and $11.7 million for the nine months ended September 30, 2018 and 2017, respectively. The increase in depreciation and amortization was primarily attributable the acquisition and opening of corporate-owned stores since January 1, 2017.

Equipment

Segment EBITDA for the equipment segment was $28.6 million in the nine months ended September 30, 2018 compared to $23.6 million in the nine months ended September 30, 2017, an increase of $5.0 million, or 21.2%, primarily driven by an increase in replacement equipment sales to existing franchisee-owned stores in the nine months ended September 30, 2018 compared to the nine months ended September 30, 2017, in addition to 23 additional equipment sales to new franchisee-owned stores in the nine months ended September 30, 2018 compared to the nine months ended September 30, 2017. Depreciation and amortization was $3.8 million and $4.7 million for the nine months ended September 30, 2018 and 2017, respectively.

Liquidity and capital resources

As of September 30, 2018, we had $572.7 million of cash and cash equivalents. In addition, as of September 30, 2018, we had borrowing capacity of $75.0 million under our Variable Funding Note.

We require cash principally to fund day-to-day operations, to finance capital investments, to service our outstanding debt and tax benefit arrangements and to address our working capital needs. Based on our current level of operations and anticipated growth, we believe that with the available cash balance, the cash generated from our operations, and amounts available under our Variable Funding Note will be adequate to meet our anticipated debt service requirements and obligations under the tax benefit arrangements, capital expenditures and working capital needs for at least the next 12 months. We believe that we will be able to meet these obligations even if we experience no growth in sales or profits. Our ability to continue to fund these items and continue to reduce debt could be adversely affected by the occurrence of any of the events described under “Risk factors” in the Annual Report and elsewhere in this Quarterly Report on Form 10-Q. There can be no assurance, however, that our business will generate sufficient cash flows from operations or that future borrowings will be available under our Variable Funding Note or otherwise to enable us to service our indebtedness, including our Class A-2 Notes, or to make anticipated capital expenditures. Our future operating performance and our ability to service, extend or refinance the senior secured credit facility will be subject to future economic conditions and to financial, business and other factors, many of which are beyond our control.

The following table presents summary cash flow information for the nine months ended September 30, 2018 and 2017:

	Nine months ended September 30,
(in thousands)	2018			2017
Net cash (used in) provided by:
Operating activities	$	143,886		$	93,028
Investing activities	(64,157		)	(23,063		)
Financing activities	416,071			(17,490		)
Effect of foreign exchange rates on cash	(234		)	399
Net increase in cash	$	495,566		$	52,874

Operating activities

For the nine months ended September 30, 2018, net cash provided by operating activities was $143.9 million compared to $93.0 million in the nine months ended September 30, 2017, an increase of $50.9 million. Of the increase, $27.3 million was due to higher net income after adjustments to reconcile net income to net cash provided by operating activities, and $23.5 million was due to lower cash used for working capital in accounts payable and accrued expenses, other assets and other current assets, and

46

deferred revenue, partially offset by higher cash used in payables pursuant to tax benefit arrangements in the nine months ended September 30, 2018 as compared to the nine months ended September 30, 2017.

Investing activities

Cash flow used in investing activities related to the following capital expenditures for the nine months ended September 30, 2018 and 2017: 

	Nine months ended September 30,
(in thousands)	2018		2017
New corporate-owned stores and corporate-owned stores not yet opened	$	4,567	$	1,313
Existing corporate-owned stores	8,580		14,651
Information systems	5,362		1,070
Corporate and all other	92		6,195
Total capital expenditures	$	18,601	$	23,229

For the nine months ended September 30, 2018, net cash used in investing activities was $64.2 million compared to $23.1 million in the nine months ended September 30, 2017, an increase of $41.1 million, and was primarily related to the acquisition of six franchisee-owned stores on January 1, 2018 for $28.5 million and the acquisition of four franchisee-owned stores on August 10, 2018 for $17.2 million, partially offset by $4.6 million lower cash used for additions to property, plant and equipment.

Financing activities

For the nine months ended September 30, 2018, net cash provided by financing activities was $416.1 million compared to cash used of $17.5 million in the nine months ended September 30, 2017, an increase of $433.6 million. Of the increase, $463.3 million was primarily due to the completion of the Company's securitized financing facility and repayment of its Term Loan B during the nine months ended September 30, 2018. Offsetting the increase, the Company spent $42.1 million on share repurchases during the nine months ended September 30, 2018. Continuing LLC Owner distributions were $5.4 million in the nine months ended September 30, 2018 compared to $9.3 million in the nine months ended September 30, 2017.

2018 Refinancing

On August 1, 2018, Planet Fitness Master Issuer LLC (the “Master Issuer”), a limited-purpose, bankruptcy remote, wholly-owned indirect subsidiary of Pla-Fit Holdings, LLC, entered into a base indenture and a related supplemental indenture (collectively, the “Indenture”) under which the Master Issuer may issue multiple series of notes. On the same date, the Master Issuer issued Series 2018-1 4.262% Fixed Rate Senior Secured Notes, Class A-2-I (the “Class A-2-I Notes”) with an initial principal amount of $575 million and Series 2018-1 4.666% Fixed Rate Senior Secured Notes, Class A-2-II (the “Class A-2-II Notes” and, together with the Class A-2-I Notes, the “Class A-2 Notes”) with an initial principal amount of $625 million. In connection with the issuance of the Class A-2 Notes, the Master Issuer also entered into a revolving financing facility that allows for the issuance of up to $75 million in Series 2018-1 Variable Funding Senior Notes, Class A-1 (the “Variable Funding Notes” and together iwth the Class A-2 Notes, the "Series 2018-1 Senior Notes"), and certain letters of credit, all of which is currently undrawn. The Series 2018-1 Senior Notes were issued in a securitization transaction pursuant to which most of the Company’s domestic revenue-generating assets, consisting principally of franchise-related agreements, certain corporate-owned store assets, equipment supply agreements and intellectual property and license agreements for the use of intellectual property, were assigned to the Master Issuer and certain other limited-purpose, bankruptcy remote, wholly-owned indirect subsidiaries of the Company that act as guarantors of the Series 2018-1 Senior Notes and that have pledged substantially all of their assets to secure the 2018-1 Senior Notes.

The legal final maturity date of the Class A-2 Notes is in August 2048, but it is anticipated that, unless earlier prepaid to the extent permitted under the Indenture, the Class A-2-I Notes will be repaid in August 2022 and the Class A-2-II Notes will be repaid in August 2025.

A portion of the proceeds of the Class A-2 Notes was used to repay the remaining $705.9 million of principal outstanding on the then-existing senior secured credit facility. The additional proceeds, net of transaction costs, are being used for general corporate purposes, and may include a return of capital to the Company’s shareholders. See Note 6 for further information related to the Company's refinancing.

47

Share repurchase program

On August 3, 2018, our board of directors approved an increase to the total amount of the share repurchase program to $500 million. Pursuant to the share repurchase program, during the nine months endedSeptember 30, 2018, the Company repurchased and retired 824,312 shares of Class A common stock for a total cost of $42.1 million. The timing of the purchases and the amount of stock repurchased is subject to the Company’s discretion and depends on market and business conditions, the Company’s general working capital needs, stock price, applicable legal requirements and other factors. Our ability to repurchase shares at any particular time is also subject to the terms of the indenture governing the Series 2018-1 Senior Notes. Purchases may be effected through one or more open market transactions, privately negotiated transactions, transactions structured through investment banking institutions, or a combination of the foregoing. Planet Fitness is not obligated under the program to acquire any particular amount of stock and can suspend or terminate the program at any time.

Off-balance sheet arrangements

As of September 30, 2018, our off-balance sheet arrangements consisted of operating leases and certain guarantees. In a limited number of cases, we have guaranteed certain leases and debt agreements of entities related through common ownership. These guarantees relate to leases for operating space, equipment and other operating costs of franchises operated by the related entities. Our maximum total commitment under these agreements is approximately $0.8 million and would only require payment upon default by the primary obligor. The estimated fair value of these guarantees at September 30, 2018 was not material, and no accrual has been recorded for our potential obligation under these arrangements.

Critical accounting policies and use of estimates

There have been no material changes to our critical accounting policies and use of estimates from those described under “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in our Annual Report.  

ITEM 3. Quantitative and Qualitative Disclosure about Market Risk

Interest rate risk

The securitized financing facility includes the Series 2018-1 Class A-2 Notes which are comprised of fixed interest rate notes and the Variable Funding Notes which allow for the issuance up to $75.0 million of Variable Funding Notes. The issuance of the fixed-rate Class A-2 Notes has reduced the Company's exposure to interest rate increases that could adversely affect its earnings and cash flows. However, the Company is exposed to interest rate increases on borrowings under the Variable Funding Notes.

Foreign exchange risk

We are exposed to fluctuations in exchange rates between the U.S. and Canadian dollar, which is the functional currency of our Canadian entities. Our sales, costs and expenses of our Canadian subsidiaries, when translated into U.S. dollars, can fluctuate due to exchange rate movement. As of September 30, 2018, a 10% increase or decrease in the exchange rate of the U.S. and Canadian dollar would increase or decrease net income by a negligible amount.

Inflation risk

Although we do not believe that inflation has had a material effect on our income from continuing operations, we have a substantial number of hourly employees in our corporate-owned stores that are paid wage rates at or based on the applicable federal or state minimum wage. Any increases in these minimum wages will subsequently increase our labor costs. We may or may not be able to offset cost increases in the future.

48

ITEM 4. Controls and Procedures

Evaluation of disclosure controls and procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of our disclosure controls and procedures, as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, as of the end of the period covered by this Quarterly Report on Form 10-Q.

There are inherent limitations to the effectiveness of any system of disclosure controls and procedures, including the possibility of human error and the circumvention or overriding of the controls and procedures. Our disclosure controls and procedures are designed to provide reasonable assurance of achieving their control objectives.

Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that as of September 30, 2018, our disclosure controls and procedures were effective to provide reasonable assurance that the information required to be disclosed by the Company in the reports it files or submits with the Securities and Exchange Commission is recorded, processed, summarized and reported within the time periods specified in Securities and Exchange Commission rules and forms and is accumulated and communicated to our management, including the principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

Changes in internal control over financial reporting

There have been no changes in our internal control over financial reporting that occurred during our most recent fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

49

PART II-OTHER INFORMATION

ITEM 1. Legal Proceedings

We are currently involved in various claims and legal actions that arise in the ordinary course of business, most of which are covered by insurance. We do not believe that the ultimate resolution of these actions will have a material adverse effect on our business, financial condition, results of operations, liquidity or capital resources nor do we believe that there is a reasonable possibility that we will incur material loss as a result of such actions. However, a significant increase in the number of these claims or an increase in amounts owing under successful claims could have a material adverse effect on our business, financial condition and results of operations.

ITEM 1A. Risk Factors.

The following risk factors, which have been updated to reflect the refinancing of our existing senior secured credit facilities with a securitized financing facility, should be read in conjunction with the risk factors previously disclosed in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2017.

The Company and certain of its subsidiaries are subject to various restrictions, and substantially all of the assets of certain subsidiaries are security, under the terms of a securitization transaction that was completed on August 1, 2018.

On August 1, 2018, Planet Fitness Master Issuer LLC (the “Master Issuer”), a limited-purpose, bankruptcy-remote, indirect subsidiary of the Company, entered into a base indenture and a related supplemental indenture (collectively, the “Indenture”) under which the Master Issuer issued $575 million in aggregate principal amount of Series 2018-1 4.262% Fixed Rate Senior Secured Notes, Class A-2-I (the “Class A-2-I Notes”) and $625 million in aggregate principal amount of Series 2018-1 4.666% Fixed Rate Senior Secured Notes, Class A-2-II (the “Class A-2-II Notes” and together with the Class A-2-I Notes, the “Class A-2 Notes”) in an offering exempt from registration under the Securities Act of 1933, as amended. In connection with the issuance of the Class A-2 Notes, the Master Issuer also entered into a revolving financing facility that allows for the issuance of up to $75 million in Series 2018-1 Variable Funding Senior Notes, Class A-1 (the “Variable Funding Notes”), and certain letters of credit. The Class A-2 Notes and the Variable Funding Notes are referred to collectively as the “Notes.”

The Notes were issued in a securitization transaction pursuant to which substantially all of the Company’s revenue-generating assets in the United States were assigned to the Master Issuer and certain other limited-purpose, bankruptcy remote, wholly-owned direct and indirect subsidiaries of the Master Issuer that act as guarantors of the Notes and that have pledged substantially all of their assets to secure the Notes.

The Notes are subject to a series of covenants and restrictions customary for transactions of this type, including (i) that the Master Issuer maintains specified reserve accounts to be used to make required payments in respect of the Notes, (ii) provisions relating to optional and mandatory prepayments and the related payment of specified amounts, including specified make-whole payments in the case of the Class A-2 Notes under certain circumstances, (iii) certain indemnification payments in the event, among other things, the transfers of the assets pledged as collateral for the Notes are in stated ways defective or ineffective and (iv) covenants relating to recordkeeping, access to information and similar matters. The Notes are also subject to customary rapid amortization events provided for in the Indenture, including events tied to failure to maintain a stated debt service coverage ratio, the sum of system-wide sales being below certain levels on certain measurement dates, certain manager termination events (including in certain cases a change of control of Planet Fitness Holdings, LLC), an event of default and the failure to repay or refinance the Notes on the applicable anticipated repayment date. The Notes are also subject to certain customary events of default, including events relating to non-payment of required interest, principal or other amounts due on or with respect to the Notes, failure to comply with covenants within certain time frames, certain bankruptcy events, breaches of specified representations and warranties, failure of security interests to be effective and certain judgments.

In the event that a rapid amortization event occurs under the Indenture (including, without limitation, upon an event of default under the Indenture or the failure to repay the securitized debt at the end of the applicable term), the funds available to the Company would be reduced or eliminated, which would in turn reduce our ability to operate or grow our business. If the Company’s subsidiaries are not able to generate sufficient cash flow to service their debt obligations, they may need to refinance or restructure debt, sell assets, reduce or delay capital investments, or seek to raise additional capital. If the Company’s subsidiaries are unable to implement one or more of these alternatives, they may not be able to meet debt payment and other obligations.

50

The Company has a significant amount of debt outstanding. Such indebtedness, along with the other contractual commitments of its subsidiaries, could adversely affect the Company’s business, financial condition and results of operations, as well as the ability of certain of the Company’s subsidiaries to meet debt payment obligations.

After giving effect to the closing of the securitization transactions, the Master Issuer has $1.2 billion of outstanding debt. Additionally, the Variable Funding Notes allow the Master Issuer to borrow amounts from time to time on a revolving basis, up to an aggregate principal amount of $75 million.

This level of debt could have significant consequences on the Company’s future operations, including:

• resulting in an event of default if the Company’s subsidiaries fail to comply with the financial and other restrictive covenants contained in debt agreements, which event of default could result in all of the Company’s subsidiaries’ debt becoming immediately due and payable;

• reducing the availability of the Company’s cash flow to fund working capital, capital expenditures, acquisitions and other general corporate purposes, and limiting the Company’s ability to obtain additional financing for these purposes;

• limiting the Company’s flexibility in planning for, or reacting to, and increasing its vulnerability to, changes in the Company’s business, the industry in which it operates and the general economy;

• placing the Company at a competitive disadvantage compared to its competitors that are less leveraged; and

• subjecting the Company to the risk of increased sensitivity to interest rate increases on indebtedness with variable interest rates.

The ability to meet payment and other obligations under the debt instruments of the Company’s subsidiaries depends on our ability to generate significant cash flow in the future. This, to some extent, is subject to general economic, financial, competitive, legislative and regulatory factors, as well as other factors that are beyond the Company’s control. The Company cannot assure that its business will generate cash flow from operations, or that future borrowings will be available to it under existing or any future credit facilities or otherwise, in an amount sufficient to enable its subsidiaries to meet our debt payment obligations and to fund other liquidity needs. If the Company’s subsidiaries are not able to generate sufficient cash flow to service our debt obligations, they may need to refinance or restructure debt, sell assets, reduce or delay capital investments, or seek to raise additional capital. If the Company’s subsidiaries are unable to implement one or more of these alternatives, they may not be able to meet debt payment and other obligations.

In addition, the Company may incur additional indebtedness in the future. If new debt or other liabilities are added to the Company’s current consolidated debt levels, the related risks that it now faces could intensify.

The securitization transaction documents impose certain restrictions on the activities of the Company and its subsidiaries.

The Indenture and the management agreement entered into between certain subsidiaries of the Company and the Indenture trustee (the “Management Agreement”) contain various covenants that limit the Company’s and its subsidiaries’ ability to engage in specified types of transactions. For example, the Indenture and the Management Agreement contain covenants that, among other things, restrict, subject to certain exceptions, the ability of certain subsidiaries to:

• incur or guarantee additional indebtedness;

• sell certain assets;

• create or incur liens on certain assets to secure indebtedness; or

• consolidate, merge, sell or otherwise dispose of all or substantially all of our assets.

As a result of these restrictions, the Company may not have adequate resources or flexibility to continue to manage the business and provide for growth of the Planet Fitness system, including product development and marketing for the Planet Fitness brand, which could have a material adverse effect on the Company’s future growth prospects, financial condition, results of operations and liquidity.

ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds.

The following table provides information regarding purchases of shares of our Class A common stock by us and our “affiliated purchasers” (as defined in Rule 10b-18(a)(3) under the Exchange Act) during the three months ended September 30, 2018.

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	Issuer Purchases of Equity Securities
Period	Total Number of Shares Purchased	Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs(1)	Approximate Dollar Value of Shares that May Yet be Purchased Under the Plans or Programs(1)
07/01/18 - 07/31/18	—	—		—	$100,000,000
08/01/18 - 08/31/18	707,249	$	51.24	707,249	$463,763,283
09/01/18 - 09/30/18	117,063	$	50.00	117,063	$457,910,178
Total	824,312	$	51.06	824,312	$457,910,178

⁽¹⁾On August 3, 2018, our board of directors approved an increase to the total amount of the previously announced share repurchase program from $100,000,000 to $500,000,000. Purchases may be effected through one or more open market transactions, privately negotiated transactions, transactions structured through investment banking institutions, or a combination of the foregoing.

In connection with our IPO, we and the existing holders of Holdings Units entered into an exchange agreement under which they (or certain permitted transferees) have the right, from time to time and subject to the terms of the exchange agreement, to exchange their Holdings Units, together with a corresponding number of shares of Class B common stock, for shares of our Class A common stock on a one-for-one basis, subject to customary conversion rate adjustments for stock splits, stock dividends, reclassifications and other similar transactions. As an existing holder of Holdings Units exchanges Holdings Units for shares of Class A common stock, the number of Holdings Units held by Planet Fitness, Inc. is correspondingly increased, and a corresponding number of shares of Class B common stock are cancelled.

ITEM 3. Defaults Upon Senior Securities.

None.

ITEM 4. Mine Safety Disclosures.

None.

ITEM 5. Other Information.

None.

ITEM 6. Exhibits

		Description of Exhibit Incorporated
		Herein by Reference
Exhibit					Exhibit	Filed
Number	Exhibit Description	Form	File No.	Filing Date	Number	Herewith
1.1	Purchase Agreement dated July 19, 2018 among Planet Fitness Master Issuer LLC, as Master Issuer, Planet Fitness SPV Guarantor LLC, Planet Fitness Franchising LLC, Planet Fitness Assetco LLC and Planet Fitness Distribution LLC, each as Guarantor, Planet Fitness Holdings, LLC, as manager, the Company and Planet Fitness Intermediate, LLC and Pla-Fit Holdings, LLC, as parent companies, and Guggenheim Securities, LLC, Citigroup Global Markets, Inc. and ING Financial Markets LLC, as the initial purchasers.	8-K	001-37534	July 20, 2018	1.1
4.1	Base Indenture dated August 1, 2018 between Planet Fitness Master Issuer LLC, as Master Issuer, and Citibank, N.A., as Trustee and Securities Intermediary.	8-K	001-37534	August 1, 2018	4.1

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4.2	Series 2018-1 Supplement dated August 1, 2018 between Planet Fitness Master Issuer LLC, as Master Issuer of the Series 2018-1 fixed rate senior secured notes, Class A-2, and Series 2018-1 variable funding senior notes, Class A-1, and Citibank, N.A., as Trustee and Series 2018-1 Securities Intermediary.	8-K	001-37534	August 1, 2018	4.2
10.1	Class A-1 Note Purchase Agreement dated July 19, 2018 among Planet Fitness Master Issuer LLC, as Master Issuer, Planet Fitness SPV Guarantor LLC, Planet Fitness Franchising LLC, Planet Fitness Assetco LLC and Planet Fitness Equipment Distributor LLC, each as Guarantor, Planet Fitness Holdings, LLC, as manager, certain conduit investors and financial institutions and funding agents, and ING Capital LLC, as provider of letters of credit, as swingline lender and as administrative agent.	8-K	001-37534	July 20, 2018	10.1
10.2	Guarantee and Collateral Agreement dated August 1, 2018 among Planet Fitness Franchising LLC, Planet Fitness Distribution LLC, Planet Fitness Assetco LLC and Planet Fitness SPV Guarantor LLC, each as a Guarantor, and Citibank, N.A., as Trustee.	8-K	001-37534	August 1, 2018	10.1
10.3	Management Agreement dated August 1, 2018 among Planet Fitness Master Issuer LLC, Planet Fitness SPV Guarantor LLC, certain subsidiaries of Planet Fitness Master Issuer LLC party thereto, Planet Fitness Holdings, LLC, as Manager, and Citibank, N.A., as Trustee.	8-K	001-37534	August 1, 2018	10.2
31.1	Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002					X
31.2	Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002					X
32.1	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002					X
32.2	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002					X
101	Interactive Data Files pursuant to Rule 405 of regulation S-T (XBRL)					X

53

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	Planet Fitness, Inc.
	(Registrant)
Date: November 7, 2018	/s/ Dorvin Lively
	Dorvin Lively
	President and Chief Financial Officer (On behalf of the Registrant and as Principal Financial Officer)

54

EX-31.1

Exhibit 31.1

CERTIFICATION OF PERIODIC REPORT UNDER SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

I, Chris Rondeau, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Planet Fitness, Inc. (the “registrant”);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: November 7, 2018

/s/ Chris Rondeau

Chris Rondeau

Chief Executive Officer

(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION OF PERIODIC REPORT UNDER SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

I, Dorvin Lively, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Planet Fitness, Inc. (the “registrant”);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: November 7, 2018

/s/ Dorvin Lively

Dorvin Lively

President and Chief Financial Officer

(Principal Financial and Accounting Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of Planet Fitness, Inc. (the “Company”) on Form 10-Q for the fiscal quarter ended September 30, 2018 filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Chris Rondeau, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

• The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

• The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company for the periods presented therein.

Date: November 7, 2018

/s/ Chris Rondeau

Chris Rondeau

Chief Executive Officer

(Principal Executive Officer)

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of Planet Fitness, Inc. (the “Company”) on Form 10-Q for the fiscal quarter ended September 30, 2018 filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Dorvin Lively, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

• The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

• The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company for the periods presented therein.

Date: November 7, 2018

/s/ Dorvin Lively

Dorvin Lively

President and Chief Financial Officer

(Principal Financial and Accounting Officer)

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2018	Nov. 01, 2018
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q3
Trading Symbol	PLNT
Entity Registrant Name	PLANET FITNESS, INC.
Entity Central Index Key	0001637207
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Class A Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		88,169,242
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		9,463,730

XML

Condensed consolidated balance sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 572,731	$ 113,080
Restricted cash	35,915	0
Accounts receivable, net of allowance for bad debts of $74 and $32 at September 30, 2018 and December 31, 2017, respectively	26,145	37,272
Due from related parties	0	3,020
Inventory	6,142	2,692
Restricted assets – national advertising fund	3,418	499
Prepaid expenses	3,813	3,929
Other receivables	10,993	9,562
Other current assets	6,318	6,947
Total current assets	665,475	177,001
Property and equipment, net of accumulated depreciation of $48,960, as of September 30, 2018 and $36,228 as of December 31, 2017	97,240	83,327
Intangible assets, net	237,896	235,657
Goodwill	199,513	176,981
Deferred income taxes	416,707	407,782
Other assets, net	4,608	11,717
Total assets	1,621,439	1,092,465
Current liabilities:
Current maturities of long-term debt	12,000	7,185
Accounts payable	23,400	28,648
Accrued expenses	26,764	18,590
Equipment deposits	11,449	6,498
Restricted liabilities – national advertising fund	3,418	490
Deferred revenue, current	21,959	19,083
Payable pursuant to tax benefit arrangements, current	25,578	31,062
Other current liabilities	456	474
Total current liabilities	125,024	112,030
Long-term debt, net of current maturities	1,161,712	696,576
Deferred rent, net of current portion	10,297	6,127
Deferred revenue, net of current portion	25,916	8,440
Deferred tax liabilities	1,730	1,629
Payable pursuant to tax benefit arrangements, net of current portion	405,577	400,298
Other liabilities	1,331	4,302
Total noncurrent liabilities	1,606,563	1,117,372
Commitments and contingencies (Note 12)
Stockholders' equity (deficit):
Accumulated other comprehensive income (loss)	256	(648)
Additional paid in capital	17,237	12,118
Accumulated deficit	(118,964)	(130,966)
Total stockholders' deficit attributable to Planet Fitness Inc.	(101,461)	(119,486)
Non-controlling interests	(8,687)	(17,451)
Total stockholders' deficit	(110,148)	(136,937)
Total liabilities and stockholders' deficit	1,621,439	1,092,465
Class A Common Stock
Stockholders' equity (deficit):
Common stock, value	9	9
Class B Common Stock
Stockholders' equity (deficit):
Common stock, value	$ 1	$ 1

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Condensed consolidated balance sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Accounts receivable, allowance for bad debts	$ 74	$ 32
Accumulated depreciation	$ 48,960	$ 36,228
Class A Common Stock
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	88,085,000	87,188,000
Common stock, shares outstanding	88,085,000	87,188,000
Class B Common Stock
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	9,544,000	11,193,000
Common stock, shares outstanding	9,544,000	11,193,000

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Condensed consolidated statements of operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue:
Revenue	$ 136,656	$ 97,496	$ 398,538	$ 295,914
Operating costs and expenses:
Cost of revenue	36,871	25,819	100,114	78,395
Store operations	18,751	15,551	55,154	45,339
Selling, general and administrative	17,233	14,071	52,066	42,659
National advertising fund expense	11,377	0	32,997	0
Depreciation and amortization	8,863	8,137	25,947	23,982
Other (gain) loss	(12)	(36)	958	280
Total operating costs and expenses	93,083	63,542	267,236	190,655
Income from operations	43,573	33,954	131,302	105,259
Other expense, net:
Interest income	2,025	18	2,480	24
Interest expense	(17,909)	(8,938)	(35,725)	(26,735)
Other income (expense)	(27)	408	(338)	157
Total other expense, net	(15,911)	(8,512)	(33,583)	(26,554)
Income before income taxes	27,662	25,442	97,719	78,705
Provision for income taxes	7,190	6,540	23,335	23,933
Net income	20,472	18,902	74,384	54,772
Less net income attributable to non-controlling interests	3,001	3,557	11,158	18,173
Net income attributable to Planet Fitness, Inc.	$ 17,471	$ 15,345	$ 63,226	$ 36,599
Class A Common Stock
Net income per share of Class A common stock:
Basic (in dollars per share)	$ 0.20	$ 0.18	$ 0.72	$ 0.48
Diluted (in dollars per share)	$ 0.20	$ 0.18	$ 0.72	$ 0.48
Weighted-average shares of Class A common stock outstanding:
Basic (in shares)	88,047,401	85,662,650	87,727,300	76,391,277
Diluted (in shares)	88,457,804	85,734,456	88,064,051	76,434,819
Franchise
Revenue:
Revenue	$ 41,997	$ 31,413	$ 129,575	$ 94,485
Commission income
Revenue:
Revenue	1,448	4,149	5,012	15,668
National advertising fund revenue
Revenue:
Revenue	11,377	0	32,997	0
Corporate-owned stores
Revenue:
Revenue	35,406	28,560	102,365	83,886
Equipment
Revenue:
Revenue	$ 46,428	$ 33,374	$ 128,589	$ 101,875

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Condensed consolidated statements of comprehensive income (loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income including non-controlling interests	$ 20,472	$ 18,902	$ 74,384	$ 54,772
Other comprehensive income (loss), net:
Unrealized gain on interest rate caps, net of tax	606	374	989	730
Foreign currency translation adjustments	40	20	(23)	25
Total other comprehensive income, net	646	394	966	755
Total comprehensive income including non-controlling interests	21,118	19,296	75,350	55,527
Less: total comprehensive income attributable to non-controlling interests	3,007	3,631	11,221	18,384
Total comprehensive income attributable to Planet Fitness, Inc.	$ 18,111	$ 15,665	$ 64,129	$ 37,143

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Condensed consolidated statements of cash flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income	$ 74,384	$ 54,772
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25,947	23,982
Amortization of deferred financing costs	2,041	1,439
Amortization of favorable leases and asset retirement obligations	280	260
Amortization of interest rate caps	1,170	1,552
Deferred tax expense	19,654	21,344
Loss on extinguishment of debt	4,570	79
Third party debt refinancing expense	0	1,021
Gain on re-measurement of tax benefit arrangement	(354)	(541)
Provision for bad debts	8	44
Loss on reacquired franchise rights	360	0
Loss (gain) on disposal of property and equipment	542	(357)
Equity-based compensation	4,137	1,800
Changes in operating assets and liabilities, excluding effects of acquisitions:
Accounts receivable	10,922	11,099
Due to and due from related parties	3,174	(580)
Inventory	(3,450)	1,253
Other assets and other current assets	4,972	(2,413)
Accounts payable and accrued expenses	2,426	(16,985)
Other liabilities and other current liabilities	(2,869)	(724)
Income taxes	1,028	(1,462)
Payable pursuant to tax benefit arrangements	(21,706)	(7,909)
Equipment deposits	4,950	5,951
Deferred revenue	7,544	(958)
Deferred rent	4,156	361
Net cash provided by operating activities	143,886	93,028
Cash flows from investing activities:
Additions to property and equipment	(18,601)	(23,229)
Acquisition of franchises	(45,752)	0
Proceeds from sale of property and equipment	196	166
Net cash used in investing activities	(64,157)	(23,063)
Cash flows from financing activities:
Principal payments on capital lease obligations	(35)	0
Proceeds from issuance of long-term debt	1,200,000	0
Repayment of long-term debt	(709,469)	(5,388)
Payment of deferred financing and other debt-related costs	(27,191)	(1,278)
Premiums paid for interest rate caps	0	(366)
Exercise of stock options	1,106	172
Repurchase and retirement of Class A common stock	(42,090)	0
Dividend equivalent payments	(881)	(1,322)
Distributions to Continuing LLC Members	(5,369)	(9,308)
Net cash provided by (used in) financing activities	416,071	(17,490)
Effects of exchange rate changes on cash and cash equivalents	(234)	399
Net increase in cash, cash equivalents and restricted cash	495,566	52,874
Cash, cash equivalents and restricted cash, beginning of period	113,080	40,393
Cash, cash equivalents and restricted cash, end of period	608,646	93,267
Supplemental cash flow information:
Net cash paid for income taxes	3,777	3,769
Cash paid for interest	20,015	23,637
Non-cash investing activities:
Non-cash additions to property and equipment	$ 2,217	$ 482

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Condensed consolidated statement of changes in equity (deficit) (Unaudited) - 9 months ended Sep. 30, 2018 - USD ($) $ in Thousands	Total	Accumulated other comprehensive (loss) income	Additional paid- in capital	Accumulated deficit	Non-controlling interests	Class A Common Stock	Class A Common Stock Common stock	Class B Common Stock	Class B Common Stock Common stock
Beginning balance (in shares) at Dec. 31, 2017						87,188,000	87,188,000	11,193,000	11,193,000
Beginning balance at Dec. 31, 2017	$ (136,937)	$ (648)	$ 12,118	$ (130,966)	$ (17,451)		$ 9		$ 1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	74,384			63,226	11,158
Equity-based compensation expense	4,137		4,140	(3)
Exchanges of Class B common stock, shares issued							1,640,000		(1,640,000)
Exchanges of Class B common stock	0	1	(2,913)		2,912
Retirement of Class B common stock (in shares)									(9,000)
Retirement of Class B common stock	0
Exercise of stock options and vesting of restricted share units (in shares)							81,000
Exercise of stock options and vesting of restricted share units	1,106		1,106
Class A common stock repurchase (in shares)						(824,312)	(824,000)
Repurchase and retirement of Class A common stock	(42,090)			(42,090)		$ (42,090)
Tax benefit arrangement liability and deferred taxes arising from exchanges of Class B common stock	2,786		2,786
Forfeiture of dividend equivalents	61			61
Distributions paid to members of Pla-Fit Holdings	(5,369)				(5,369)
Cumulative effect adjustment (Note 15)	(9,192)			(9,192)
Other comprehensive income	966	903			63
Ending balance (in shares) at Sep. 30, 2018						88,085,000	88,085,000	9,544,000	9,544,000
Ending balance at Sep. 30, 2018	$ (110,148)	$ 256	$ 17,237	$ (118,964)	$ (8,687)		$ 9		$ 1

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Business Organization

9 Months Ended

Sep. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Business Organization

Business Organization

Planet Fitness, Inc. (the “Company”), through its subsidiaries, is a franchisor and operator of fitness centers, with more than 12.2 million members and 1,646 owned and franchised locations (referred to as stores) in 50 states, the District of Columbia, Puerto Rico, Canada, the Dominican Republic, Panama and Mexico as of September 30, 2018.

The Company serves as the reporting entity for its various subsidiaries that operate three distinct lines of business:

• Licensing and selling franchises under the Planet Fitness trade name.

• Owning and operating fitness centers under the Planet Fitness trade name.

• Selling fitness-related equipment to franchisee-owned stores.

The Company was formed as a Delaware corporation on March 16, 2015 for the purpose of facilitating an initial public offering (the “IPO”), which was completed on August 11, 2015 and related transactions in order to carry on the business of Pla-Fit Holdings, LLC and its subsidiaries (“Pla-Fit Holdings”). As of August 5, 2015, in connection with the recapitalization transactions that occurred prior to the IPO, the Company became the sole managing member and holder of 100% of the voting power of Pla-Fit Holdings. Pla-Fit Holdings owns 100% of Planet Intermediate, LLC, which has no operations but is the 100% owner of Planet Fitness Holdings, LLC, a franchisor and operator of fitness centers. With respect to the Company, Pla-Fit Holdings and Planet Intermediate, LLC, each entity owns nothing other than the respective entity below it in the corporate structure and each entity has no other material operations.

Subsequent to the IPO and the related recapitalization transactions, the Company is a holding company whose principal asset is a controlling equity interest in Pla-Fit Holdings. As the sole managing member of Pla-Fit Holdings, the Company operates and controls all of the business and affairs of Pla-Fit Holdings, and through Pla-Fit Holdings, conducts its business. As a result, the Company consolidates Pla-Fit Holdings’ financial results and reports a non-controlling interest related to the portion of limited liability company units of Pla-Fit Holdings (“Holdings Units”) not owned by the Company. Unless otherwise specified, “the Company” refers to both Planet Fitness, Inc. and Pla-Fit Holdings throughout the remainder of these notes.

As of September 30, 2018, Planet Fitness, Inc. held 100.0% of the voting interest and 90.2% of the economic interest of Pla-Fit Holdings and the holders of Holdings Units of Pla-Fit Holdings (the “Continuing LLC Owners”) held the remaining 9.8% economic interest in Pla-Fit Holdings.

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

(a) Basis of presentation and consolidation

The accompanying unaudited interim condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (U.S. GAAP) for interim financial information and pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”). Accordingly, these interim financial statements do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring adjustments) necessary for a fair presentation of the results of operations, financial position and cash flows for the periods presented have been reflected. All significant intercompany balances and transactions have been eliminated in consolidation.

The condensed consolidated financial statements as of and for the three and nine months ended September 30, 2018 and 2017 are unaudited. The condensed consolidated balance sheet as of December 31, 2017 has been derived from the audited financial statements at that date but does not include all of the disclosures required by U.S. GAAP. These interim condensed consolidated financial statements should be read in conjunction with the Company’s Annual Report on Form 10-K for the year ended December 31, 2017 (the “Annual Report”) filed with the SEC on March 1, 2018. Operating results for the interim periods are not necessarily indicative of the results that may be expected for the full year.

As discussed in Note 1, as a result of the recapitalization transactions, Planet Fitness, Inc. consolidates Pla-Fit Holdings. The Company also consolidates entities in which it has a controlling financial interest, the usual condition of which is ownership of a majority voting interest. The Company also considers for consolidation certain interests where the controlling financial interest may be achieved through arrangements that do not involve voting interests. Such an entity, known as a variable interest entity (“VIE”), is required to be consolidated by its primary beneficiary. The primary beneficiary of a VIE is considered to possess the power to direct the activities of the VIE that most significantly impact its economic performance and has the obligation to absorb losses or the rights to receive benefits from the VIE that are significant to it. The principal entities in which the Company possesses a variable interest include franchise entities and certain other entities. The Company is not deemed to be the primary beneficiary for Planet Fitness franchise entities. Therefore, these entities are not consolidated.

The results of the Company have been consolidated with Matthew Michael Realty LLC (“MMR”) and PF Melville LLC (“PF Melville”) based on the determination that the Company is the primary beneficiary with respect to these VIEs. These entities are real estate holding companies that derive a majority of their financial support from the Company through lease agreements for corporate stores. See Note 3 for further information related to the Company’s VIEs.

(b) Use of estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Although these estimates are based on management’s knowledge of current events and actions it may undertake in the future, they may ultimately differ from actual results. Significant areas where estimates and judgments are relied upon by management in the preparation of the consolidated financial statements include revenue recognition, valuation of assets and liabilities in connection with acquisitions, valuation of equity-based compensation awards, the evaluation of the recoverability of goodwill and long-lived assets, including intangible assets, income taxes, including deferred tax assets and liabilities and reserves for unrecognized tax benefits, and the liability for the Company’s tax benefit arrangements.

(c) Fair Value

ASC 820, Fair Value Measurements and Disclosures, establishes a three-level valuation hierarchy for disclosure of fair value measurements. The valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability as of the measurement date. Categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The three levels are defined as follows:

Level 1—Inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.

Level 2—Inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.

Level 3—Inputs to the valuation methodology are unobservable and significant to the fair value measurement.

The table below presents information about the Company’s assets and liabilities that are measured at fair value on a recurring basis as of September 30, 2018 and December 31, 2017:

	Total fair value at September 30, 2018		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Interest rate caps	$	—	$	—	$	—	$	—
	Total fair value at December 31, 2017		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Interest rate caps	$	340	$	—	$	340	$	—

The carrying value and estimated fair value of long-term debt as of September 30, 2018 and December 31, 2017 were as follows:

	September 30, 2018				December 31, 2017
	Carrying value		Estimated fair value(1)		Carrying value		Estimated fair value(2)
Long-term debt	$	1,200,000	$	1,195,278	$	709,470	$	709,470

(1) The estimated fair value of our long-term debt is estimated primarily based on current bid prices for our long-term debt. Judgment is required to develop these estimates. As such, the fair value of our long-term debt is classified within Level 2, as defined under U.S. GAAP.

(2) The carrying value of the Term Loan B debt approximated fair value as of December 31, 2017 as it was variable rate debt.

(d) Recent accounting pronouncements

The FASB issued ASU No. 2014-9, Revenue from Contracts with Customers, in September 2014. This guidance requires that an entity recognize revenue to depict the transfer of a promised good or service to its customers in an amount that reflects consideration to which the entity expects to be entitled in exchange for such transfer. This guidance also specifies accounting for certain costs incurred by an entity to obtain or fulfill a contract with a customer and provides for enhancements to revenue specific disclosures intended to allow users of the financial statements to clearly understand the nature, amount, timing and uncertainty of revenue and cash flows arising from an entity’s contracts with its customers. The Company has adopted the guidance as of January 1, 2018 on a modified retrospective basis. See Note 15 for details about the effect of adoption.

The FASB issued ASU No. 2016-2, Leases, in February 2016. This guidance is intended to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. This guidance is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years for public companies. Early application of the amendments in this update is permitted for all entities. The Company anticipates that adoption of this guidance will bring all current operating leases onto the statement of financial position as a right of use asset and related rent liability, and is currently evaluating the effect that implementation of this guidance will have on its consolidated statement of operations.

The FASB issued ASU No. 2016-15, Classification of Certain Cash Receipts and Cash Payments, in August 2016. This guidance is intended to reduce diversity in practice of the classification of certain cash receipts and cash payments. This guidance will be effective for fiscal years beginning after December 15, 2017, including interim periods within that year. The Company has adopted the guidance as of January 1, 2018 on a prospective basis, noting no material impact on its consolidated financial statements.

The FASB issued ASU No. 2017-4, Intangibles–Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment, in January 2017. This guidance eliminates the requirement to calculate the implied fair value, essentially eliminating step two from the goodwill impairment test. The new standard requires goodwill impairment to be based upon the results of step one of the impairment test, which is defined as the excess of the carrying value of a reporting unit over its fair value. The impairment charge will be limited to the amount of goodwill allocated to that reporting unit. This guidance will be effective for fiscal years beginning after December 15, 2019, including interim periods within that year. This new guidance is not expected to have a material impact on the Company’s consolidated financial statements.

The FASB issued ASU No. 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities, in August 2017. The guidance simplifies the application of hedge accounting in certain situations and amends the hedge accounting model to enable entities to better portray the economics of their risk management activities in the financial statements. This guidance will be effective for fiscal years beginning after December 15, 2018, including interim periods within that year. The Company is currently evaluating the impact of this guidance on its consolidated financial statements.

The FASB issued ASU No. 2018-15, Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract, in August 2018. The guidance helps align the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal-use software license). This guidance will be effective for fiscal years beginning after December 15, 2019, including interim periods within that year, but allows for early adoption. The Company is currently evaluating the impact of this guidance on its consolidated financial statements.

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Variable Interest Entities

9 Months Ended

Sep. 30, 2018

Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net [Abstract]

Variable Interest Entities

Variable Interest Entities

The carrying values of VIEs included in the consolidated financial statements as of September 30, 2018 and December 31, 2017 are as follows: 

	September 30, 2018				December 31, 2017
	Assets		Liabilities		Assets		Liabilities
PF Melville	$	4,695	$	—	$	4,420	$	—
MMR	3,512		—		3,360		—
Total	$	8,207	$	—	$	7,780	$	—

The Company also has variable interests in certain franchisees mainly through the guarantee of certain debt and lease agreements by the Company and by certain related parties to franchisees. The Company’s maximum obligation, as a result of its guarantees of leases and debt, is approximately $798 and $979 as of September 30, 2018 and December 31, 2017, respectively.

The amount of the Company’s maximum obligation represents a loss that the Company could incur from the variability in credit exposure without consideration of possible recoveries through insurance or other means. In addition, the amount bears no relation to the ultimate settlement anticipated to be incurred from the Company’s involvement with these entities, which is estimated at $0.

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Acquisition

9 Months Ended

Sep. 30, 2018

Business Combinations [Abstract]

Acquisition

Acquisition

Colorado Acquisition

On August 10, 2018, the Company purchased from one of its franchisees certain assets associated with four franchisee-owned stores in Colorado for a cash payment of $17,249. As a result of the transaction, the Company incurred a loss on unfavorable reacquired franchise rights of $10, which has been reflected in other operating costs in the statement of operations. The loss incurred reduced the net purchase price to $17,239. The Company financed the purchase through cash on hand. The acquired stores are included in the Corporate-owned stores segment.

The preliminary purchase consideration was allocated as follows:

	Amount
Fixed assets	3,873
Reacquired franchise rights	4,610
Customer relationships	140
Favorable leases, net	80
Other assets	143
Goodwill	8,476
Liabilities assumed, including deferred revenues	(83	)
	17,239

The goodwill created through the purchase is attributable to the assumed future value of the cash flows from the stores acquired. The goodwill is amortizable and deductible for tax purposes over 15 years.

The acquisition was not material to the results of operations, financial position or cash flows of the Company.

Certain estimated values for the Colorado acquisition, including goodwill and intangible assets, are not yet finalized and are subject to revision as additional information becomes available and more detailed analyses are completed.

Long Island Acquisition

On January 1, 2018, the Company purchased from one of its franchisees certain assets associated with six franchisee-owned stores in New York for a cash payment of $28,503. As a result of the transaction, the Company incurred a loss on unfavorable reacquired franchise rights of $350, which has been reflected in other operating costs in the statement of operations. The loss incurred reduced the net purchase price to $28,153. The Company financed the purchase through cash on hand. The acquired stores are included in the Corporate-owned stores segment.

The purchase consideration was allocated as follows:

	Amount
Fixed assets	$	4,672
Reacquired franchise rights	7,640
Customer relationships	1,150
Favorable leases, net	520
Reacquired area development rights	150
Other assets	275
Goodwill	14,056
Liabilities assumed, including deferred revenues	(310		)
	$	28,153

The goodwill created through the purchase is attributable to the assumed future value of the cash flows from the stores acquired. The goodwill is amortizable and deductible for tax purposes over 15 years.

The acquisition was not material to the results of operations, financial position or cash flows of the Company.

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Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible assets

Goodwill and Intangible Assets

A summary of goodwill and intangible assets at September 30, 2018 and December 31, 2017 is as follows: 

September 30, 2018	Weighted average amortization period (years)	Gross carrying amount		Accumulated amortization			Net carrying Amount
Customer relationships	11.0	$	173,063	(96,201		)	$	76,862
Noncompete agreements	5.0	14,500		(14,500		)	—
Favorable leases	7.6	3,545		(2,248		)	1,297
Order backlog	0.4	3,400		(3,400		)	—
Reacquired franchise rights	7.1	21,199		(7,890		)	13,309
Reacquired ADA rights	5.0	150		(22		)	128
		215,857		(124,261		)	91,596
Indefinite-lived intangible:
Trade and brand names	N/A	146,300		—			146,300
Total intangible assets		$	362,157	$	(124,261	)	$	237,896
Goodwill		$	199,513	$	—		$	199,513

December 31, 2017	Weighted average amortization period (years)	Gross carrying amount		Accumulated amortization			Net carrying Amount
Customer relationships	11.1	$	171,782	$	(86,501	)	$	85,281
Noncompete agreements	5.0	14,500		(14,500		)	—
Favorable leases	7.5	2,935		(1,972		)	963
Order backlog	0.4	3,400		(3,400		)	—
Reacquired franchise rights	5.8	8,950		(5,837		)	3,113
		201,567		(112,210		)	89,357
Indefinite-lived intangible:
Trade and brand names	N/A	146,300		—			146,300
Total intangible assets		$	347,867	$	(112,210	)	$	235,657
Goodwill		$	176,981	$	—		$	176,981

The Company determined that no impairment charges were required during any periods presented and the increase to goodwill was due to the acquisition of six franchisee-owned stores on January 1, 2018, and the acquisition of four franchisee-owned stores on August 10, 2018 (Note 4).

Amortization expense related to the intangible assets totaled $4,027 and $4,697 for the three months ended September 30, 2018 and 2017, respectively, and $12,052 and $14,122 for the nine months ended September 30, 2018 and 2017. Included within these total amortization expense amounts are $93 and $75 related to amortization of favorable leases for the three months ended September 30, 2018 and 2017, respectively, and $276 and $255 for the nine months ended September 30, 2018 and 2017, respectively. Amortization of favorable leases is recorded within store operations as a component of rent expense in the consolidated statements of operations. The anticipated annual amortization expense related to intangible assets to be recognized in future years as of September 30, 2018 is as follows:

	Amount
Remainder of 2018	$	4,026
2019	16,111
2020	14,260
2021	14,234
2022	14,426
Thereafter	28,539
Total	$	91,596

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Long-Term Debt

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Long-Term Debt

Long-Term Debt

Long-term debt as of September 30, 2018 and December 31, 2017 consists of the following: 

	September 30, 2018			December 31, 2017
Class A-2-I notes	$	575,000		$	—
Class A-2-II notes	625,000			—
Term loan B, repaid August 2018	—			709,470
Total debt, excluding deferred financing costs	1,200,000			709,470
Deferred financing costs, net of accumulated amortization	(26,288		)	(5,709		)
Total debt	1,173,712			703,761
Current portion of long-term debt and line of credit	12,000			7,185
Long-term debt, net of current portion	$	1,161,712		$	696,576

Future annual principal payments of long-term debt as of September 30, 2018 are as follows: 

	Amount
Remainder of 2018	$	3,000
2019	12,000
2020	12,000
2021	12,000
2022	562,563
Thereafter	598,437
Total	$	1,200,000

On August 1, 2018, Planet Fitness Master Issuer LLC (the “Master Issuer”), a limited-purpose, bankruptcy remote, wholly-owned indirect subsidiary of Pla-Fit Holdings, LLC, entered into a base indenture and a related supplemental indenture (collectively, the “Indenture”) under which the Master Issuer may issue multiple series of notes. On the same date, the Master Issuer issued Series 2018-1 4.262% Fixed Rate Senior Secured Notes, Class A-2-I (the “Class A-2-I Notes”) with an initial principal amount of $575,000 and Series 2018-1 4.666% Fixed Rate Senior Secured Notes, Class A-2-II (the “Class A-2-II Notes” and, together with the Class A-2-I Notes, the “Class A-2 Notes”) with an initial principal amount of $625,000. In connection with the issuance of the Class A-2 Notes, the Master Issuer also entered into a revolving financing facility that allows for the issuance of up to $75,000 in Series 2018-1 Variable Funding Senior Notes, Class A-1 (the “Variable Funding Notes” and together with the Class A-2 Notes, the “Series 2018-1 Senior Notes”), and certain letters of credit, all of which is currently undrawn. The Series 2018-1 Senior Notes were issued in a securitization transaction pursuant to which most of the Company’s domestic revenue-generating assets, consisting principally of franchise-related agreements, certain corporate-owned store assets, equipment supply agreements and intellectual property and license agreements for the use of intellectual property, were assigned to the Master Issuer and certain other limited-purpose, bankruptcy remote, wholly-owned indirect subsidiaries of the Company that act as guarantors of the Series 2018-1 Senior Notes and that have pledged substantially all of their assets to secure the Series 2018-1 Senior Notes.

Interest and principal payments on the Class A-2 Notes are payable on a quarterly basis. The requirement to make such quarterly principal payments on the Class A-2 Notes is subject to certain financial conditions set forth in the Indenture. The legal final maturity date of the Class A-2 Notes is in September 2048, but it is anticipated that, unless earlier prepaid to the extent permitted under the Indenture, the Class A-2-I Notes will be repaid in September 2022 and the Class A-2-II Notes will be repaid in September 2025 (together, the "Anticipated Repayment Dates"). If the Master Issuer has not repaid or refinanced the Class A-2 Notes prior to the respective Anticipated Repayment Dates, additional interest will accrue pursuant to the Indenture.

The Variable Funding Notes will accrue interest at a variable interest rate based on (i) the prime rate, (ii) overnight federal funds rates, (iii) the London interbank offered rate for U.S. Dollars, or (iv) with respect to advances made by conduit investors, the weighted average cost of, or related to, the issuance of commercial paper allocated to fund or maintain such advances, in each case plus any applicable margin and as specified in the Variable Funding Note agreement. There is a commitment fee on the unused portion of the Variable Funding Notes of 0.5% based on utilization. It is anticipated that the principal and interest on the Variable Funding Notes will be repaid in full on or prior to September 2023, subject to two additional one-year extensions. Following the anticipated repayment date (and any extensions thereof) additional interest will accrue on the Variable Funding Notes equal to 5.0% per year.

In connection with the issuance of the Series 2018-1 Senior Notes, the Company incurred debt issuance costs of $27,191. The debt issuance costs are being amortized to “Interest expense” through the Anticipated Repayment Dates of the Class A-2 Notes utilizing the effective interest rate method.

The Series 2018-1 Senior Notes are subject to covenants and restrictions customary for transactions of this type, including (i) that the Master Issuer maintains specified reserve accounts to be used to make required payments in respect of the Series 2018-1 Senior Notes, (ii) provisions relating to optional and mandatory prepayments and the related payment of specified amounts, including specified make-whole payments in the case of the Class A-2 Notes under certain circumstances, (iii) certain indemnification payments in the event, among other things, the assets pledged as collateral for the Series 2018-1 Senior Notes are in stated ways defective or ineffective, and (iv) covenants relating to recordkeeping, access to information and similar matters. The Series 2018-1 Senior Notes are also subject to customary rapid amortization events provided for in the Indenture, including events tied to failure to maintain stated debt service coverage ratios, certain manager termination events, an event of default, and the failure to repay or refinance the Class A-2 Notes on the applicable scheduled Anticipated Repayment Dates. The Series 2018-1 Senior Notes are also subject to certain customary events of default, including events relating to non-payment of required interest, principal, or other amounts due on or with respect to the Series 2018-1 Senior Notes, failure to comply with covenants within certain time frames, certain bankruptcy events, breaches of specified representations and warranties, failure of security interests to be effective, and certain judgments.

In accordance with the Indenture, certain cash accounts have been established with the Indenture trustee (the "Trustee") for the benefit of the trustee and the noteholders, and are restricted in their use. The Company holds restricted cash which primarily represents cash collections held by the Trustee, interest, principal, and commitment fee reserves held by the Trustee related to the Company’s Series 2018-1 Senior Notes. As of September 30, 2018, the Company had restricted cash held by the Trustee of $35,915. Restricted cash has been combined with cash and cash equivalents when reconciling the beginning and end of period balances in the consolidated statements of cash flows.

The proceeds from the issuance of the Class A-2 Notes were used to repay all amounts outstanding on the Term Loan B under the Company’s prior credit facility. As a result, the Company recorded a loss on early extinguishment of debt of $4,570 within interest expense on the consolidated statement of operations, primarily consisting of the write-off of deferred costs related to the prior credit facility. In connection with the repayment of the Term Loan B, the Company terminated the related interest rate caps with notional amounts totaling $219,837, which had been designated as a cash flow hedge. See Note 7 for more information on the interest rate caps.

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Derivative Instruments and Hedging Activities

9 Months Ended

Sep. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments and Hedging Activities

Derivative Instruments and Hedging Activities

Prior to the refinancing transactions described in Note 6, the Company used interest-rate-related derivative instruments to manage its exposure related to changes in interest rates on its variable-rate debt instruments. The Company does not enter into derivative instruments for any purpose other than cash flow hedging. The Company does not speculate using derivative instruments.

In order to manage the market risk arising from the previously outstanding term loans, the Company entered into a series of interest rate caps. As of September 30, 2018, the Company had no interest rate cap agreements outstanding. In connection with the issuance of the Class A-2 Notes, the Company terminated the interest rate caps it had entered into in order to hedge one month LIBOR greater than 2.5% through March 31, 2019.

The interest rate cap balances of $0 and $340 were recorded within other assets in the condensed consolidated balance sheets as of September 30, 2018 and December 31, 2017, respectively. These amounts have been measured at fair value and are considered to be a Level 2 fair value measurement. During the three and nine months ended September 30, 2018, the Company has reversed all historical unrealized gains and losses associated with its interest rate caps due to the termination or maturity of all previously outstanding caps. The Company recorded an increase to the value of its interest rate caps of $356, net of tax of $145, within other comprehensive income (loss) during the three months ended September 30, 2017, respectively, and an increase to the value of its interest rate caps of $730, net of tax of $344, within other comprehensive income (loss) during the nine months ended September 30, 2017.

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Related Party Transactions

9 Months Ended

Sep. 30, 2018

Related Party Transactions [Abstract]

Related Party Transactions

Related Party Transactions

Amounts due from related parties of $0 and $3,020 as of September 30, 2018 and December 31, 2017. The balance at December 31, 2017 primarily related to reimbursements for certain taxes accrued or paid by the Company (see Note 11).

Activity with entities considered to be related parties is summarized below: 

	For the three months ended September 30,				For the nine months ended September 30,
	2018		2017		2018		2017
Franchise revenue	$	897	$	344	$	2,453	$	1,174
Equipment revenue	1,472		4		1,782		577
Total revenue from related parties	$	2,369	$	348	4,235		$	1,751

Additionally, the Company had deferred area development agreement revenue from related parties of $817 and $389 as of September 30, 2018 and December 31, 2017, respectively.

The Company entered into a consulting agreement that continues through December 31, 2018 with a shareholder and former executive officer of the Company.

The Company had payables to related parties pursuant to tax benefit arrangements of $52,521 and $44,794, as of September 30, 2018 and December 31, 2017, respectively (see Note 11).

The Company provides administrative services to Planet Fitness NAF, LLC (“NAF”) and charges NAF a fee for providing these services. The services provided include accounting services, information technology, data processing, product development, legal and administrative support, and other operating expenses, which amounted to $676 and $643 for the three months ended September 30, 2018 and 2017, respectively, and $1,872 and $1,645 for the nine months ended September 30, 2018 and 2017, respectively.

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Stockholder's Equity

9 Months Ended

Sep. 30, 2018

Equity [Abstract]

Stockholder's Equity

Stockholder’s Equity

Pursuant to the exchange agreement between the Company and the Continuing LLC Owners, the Continuing LLC Owners (or certain permitted transferees thereof) have the right, from time to time and subject to the terms of the exchange agreement, to exchange their Holdings Units, along with a corresponding number of shares of Class B common stock, for shares of Class A common stock (or cash at the option of the Company) on a one-for-one basis, subject to customary conversion rate adjustments for stock splits, stock dividends, reclassifications and similar transactions. In connection with any exchange of Holdings Units for shares of Class A common stock by a Continuing LLC Owner, the number of Holdings Units held by the Company is correspondingly increased as it acquires the exchanged Holdings Units, and a corresponding number of shares of Class B common stock are cancelled.

During the nine months endedSeptember 30, 2018, certain existing holders of Holdings Units exercised their exchange rights and exchanged 1,640,020 Holdings Units for 1,640,020 newly-issued shares of Class A common stock. Simultaneously, and in connection with these exchanges, 1,640,020 shares of Class B common stock were surrendered by the holders of Holdings Units that exercised their exchange rights and cancelled. Additionally, in connection with these exchanges, Planet Fitness, Inc. received 1,640,020 Holdings Units, increasing its total ownership interest in Pla-Fit Holdings.

Pursuant to the Company's share repurchase program, which was increased to $500,000 on August 3, 2018, during the nine months endedSeptember 30, 2018, the Company repurchased and retired 824,312 shares of Class A common stock for a total cost of $42,090.

As a result of the above transactions, as of September 30, 2018:

• Holders of our Class A common stock owned 88,084,736 shares of our Class A common stock, representing 90.2% of the voting power in the Company and, through the Company, 88,084,736 Holdings Units representing 90.2% of the economic interest in Pla-Fit Holdings; and

• the Continuing LLC Owners collectively owned 9,543,730 Holdings Units, representing 9.8% of the economic interest in Pla-Fit Holdings, and 9,543,730 shares of our Class B common stock, representing 9.8% of the voting power in the Company.

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Earnings Per Share

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

Basic earnings per share of Class A common stock is computed by dividing net income attributable to Planet Fitness, Inc. by the weighted-average number of shares of Class A common stock outstanding during the same period. Diluted earnings per share of Class A common stock is computed by dividing net income attributable to Planet Fitness, Inc. by the weighted-average number of shares of Class A common stock outstanding adjusted to give effect to potentially dilutive securities.

Shares of the Company’s Class B common stock do not share in the earnings or losses attributable to Planet Fitness, Inc. and are therefore not participating securities. As such, separate presentation of basic and diluted earnings per share of Class B common stock under the two-class method has not been presented. Shares of the Company’s Class B common stock are, however, considered potentially dilutive shares of Class A common stock because shares of Class B common stock, together with the related Holdings Units, are exchangeable into shares of Class A common stock on a one-for-one basis.

The following table sets forth reconciliations used to compute basic and diluted earnings per share of Class A common stock:  

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Numerator
Net income	$	20,472	$	18,902	$	74,384	$	54,772
Less: net income attributable to non-controlling interests	3,001		3,557		11,158		18,173
Net income attributable to Planet Fitness, Inc.	$	17,471	$	15,345	$	63,226	$	36,599
Denominator
Weighted-average shares of Class A common stock outstanding - basic	88,047,401		85,662,650		87,727,300		76,391,277
Effect of dilutive securities:
Stock options	382,499		66,610		319,610		38,524
Restricted stock units	27,904		5,196		17,141		5,018
Weighted-average shares of Class A common stock outstanding - diluted	88,457,804		85,734,456		88,064,051		76,434,819
Earnings per share of Class A common stock - basic	$	0.20	$	0.18	$	0.72	$	0.48
Earnings per share of Class A common stock - diluted	$	0.20	$	0.18	$	0.72	$	0.48

Weighted average shares of Class B common stock of 10,004,682 and 12,693,076 for the three months ended September 30, 2018 and 2017, respectively, and 10,550,857 and 22,010,095 for the nine months ended September 30, 2018 and 2017, respectively, were evaluated under the if-converted method for potential dilutive effects and were not determined to be dilutive. Weighted average stock options outstanding of 36,342 and 466,278 for the three months ended September 30, 2018 and 2017, respectively and 114,628 and 423,870 for the nine months ended September 30, 2018 and 2017, respectively, were evaluated under the treasury stock method for potential dilutive effects and were determined to be anti-dilutive. Weighted average RSUs outstanding of 0 and 2,924 for the three months ended September 30, 2018 and 2017, respectively, and 11,245 and 985 for the nine months ended September 30, 2018 and 2017, respectively, were evaluated under the treasury stock method for potential dilutive effects and were determined to be anti-dilutive.

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Income Taxes

9 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The Company is the sole managing member of Pla-Fit Holdings, which is treated as a partnership for U.S. federal and certain state and local income taxes. As a partnership, Pla-Fit Holdings is not subject to U.S. federal and certain state and local income taxes. Any taxable income or loss generated by Pla-Fit Holdings is passed through to and included in the taxable income or loss of its members, including the Company, on a pro-rata basis.

Planet Fitness, Inc. is subject to U.S. federal income taxes, in addition to state and local income taxes with respect to our allocable share of any taxable income of Pla-Fit Holdings. The Company’s effective tax rate was 26.0% and 25.7% for the three months ended September 30, 2018 and 2017, respectively and the increase was primarily attributable to the recognition of an income tax benefit in connection with the filing of tax returns in the three months ended September 30, 2017, offset by a lower U.S. statutory tax rate in 2018. The Company’s effective tax rate was 23.9% and 30.4% for the nine months endedSeptember 30, 2018 and 2017, respectively, and the reduction in the effective tax rate was primarily attributable to the lower U.S. statutory tax rate in 2018, partially offset by the Company’s increased pro rata share of income from Pla-Fit Holdings. The impact of discrete items was not material. The Company was also subject to taxes in foreign jurisdictions. Undistributed earnings of foreign operations were not material for the three and nine months ended September 30, 2018 and 2017.

Net deferred tax assets of $414,977 and $406,153 as of September 30, 2018 and December 31, 2017, respectively, relate primarily to the tax effects of temporary differences in the book basis as compared to the tax basis of our investment in Pla-Fit Holdings as a result of the secondary offerings, other exchanges, recapitalization transactions and the IPO. As of September 30, 2018, the Company does not have any material net operating loss carryforwards.

As of September 30, 2018 and December 31, 2017, the total liability related to uncertain tax positions was $300 and $2,608, respectively. During the nine months ended September 30, 2018, the Company settled a tax examination for $2,625 which was fully indemnified. At the date of settlement the Company had recorded on its balance sheet an uncertain tax position reserve and related indemnification asset of $2,967 reflecting principal and interest and therefore released $342 as an offset to provision for income taxes and also released an indemnification asset of $342 through other expense. The Company recognizes interest accrued and penalties, if applicable, related to unrecognized tax benefits in income tax expense. Interest and penalties for the three and nine months ended September 30, 2018 and 2017 were not material.

On December 22, 2017, Staff Accounting Bulletin No. 118 ("SAB 118") was issued to address the application of U.S. GAAP in situations when a registrant does not have the necessary information available, prepared, or analyzed (including computations) in reasonable detail to complete the accounting for certain income tax effects of H.R. 1, originally known as the Tax Cuts and Jobs Act ("2017 Tax Act"). As of December 31, 2017, the Company made reasonable provisional estimates of the effects of the Tax Act on our consolidated financial statements and tax disclosures, including changes to existing deferred tax balances, the mandatory repatriation tax and remeasurement of our tax benefit arrangements. At September 30, 2018, the Company has not completed the accounting for the effects of the 2017 Tax Act.

Tax benefit arrangements

The Company’s acquisition of Holdings Units in connection with the IPO and future and certain past exchanges of Holdings Units for shares of the Company’s Class A common stock (or cash at the option of the Company) are expected to produce and have produced favorable tax attributes. In connection with the IPO, the Company entered into two tax receivable agreements. Under the first of those agreements, the Company generally is required to pay to certain existing and previous equity owners of Pla-Fit Holdings (the “TRA Holders”) 85% of the applicable tax savings, if any, in U.S. federal and state income tax that the Company is deemed to realize as a result of certain tax attributes of their Holdings Units sold to the Company (or exchanged in a taxable sale) and that are created as a result of (i) the exchanges of their Holdings Units for shares of Class A common stock and (ii) tax benefits attributable to payments made under the tax receivable agreement (including imputed interest). Under the second tax receivable agreement, the Company generally is required to pay to TSG AIV II-A L.P and TSG PF Co-Investors A L.P. (the "Direct TSG Investors") 85% of the amount of tax savings, if any, that the Company is deemed to realize as a result of the tax attributes of the Holdings Units held in respect of the Direct TSG Investors’ interest in the Company, which resulted from the Direct TSG Investors’ purchase of interests in Pla-Fit Holdings in 2012, and certain other tax benefits. Under both agreements, the Company generally retains the benefit of the remaining 15% of the applicable tax savings.

During the nine months endedSeptember 30, 2018, 1,640,020 Holdings Units were exchanged by the TRA Holders for newly issued shares of Class A common stock, resulting in an increase in the tax basis of the net assets of Pla-Fit Holdings subject to the provisions of the tax receivable agreements. As a result of the change in Planet Fitness, Inc.’s ownership percentage of Pla-Fit Holdings that occurred in conjunction with the exchanges, we recorded a decrease to our net deferred tax assets of $921 during the nine months endedSeptember 30, 2018. As a result of these exchanges, during the nine months endedSeptember 30, 2018, we also recognized deferred tax assets in the amount of $25,559, and corresponding tax benefit arrangement liabilities of $21,852, representing 85% of the tax benefits due to the TRA Holders. The offset to the entries recorded in connection with exchanges was to equity.

As of September 30, 2018 and December 31, 2017, the Company had a liability of $431,155 and $431,360, respectively, related to its projected obligations under the tax benefit arrangements. Projected future payments under the tax benefit arrangements are as follows:

	Amount
Remainder of 2018	$	8,764
2019	24,447
2020	24,899
2021	25,323
2022	25,812
Thereafter	321,910
Total	$	431,155

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Commitments and contingencies

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments and contingencies

Commitments and contingencies

From time to time, and in the ordinary course of business, the Company is subject to various claims, charges, and litigation, such as employment-related claims and slip and fall cases. The Company is not currently aware of any legal proceedings or claims that the Company believes will have, individually or in the aggregate, a material adverse effect on the Company’s financial position or result of operations.

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Segments

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Segments

Segments

The Company has three reportable segments: (i) Franchise; (ii) Corporate-owned stores; and (iii) Equipment.  

The Company’s operations are organized and managed by type of products and services and segment information is reported accordingly. The Company’s chief operating decision maker (the “CODM”) is its Chief Executive Officer. The CODM reviews financial performance and allocates resources by reportable segment. There have been no operating segments aggregated to arrive at the Company’s reportable segments.

The Franchise segment includes operations related to the Company’s franchising business in the United States, Puerto Rico, Canada, the Dominican Republic, Panama and Mexico, including revenues and expenses from the NAF beginning on January 1, 2018 (see Note 15). The Corporate-owned stores segment includes operations with respect to all Corporate-owned stores throughout the United States and Canada. The Equipment segment includes the sale of equipment to franchisee-owned stores.

The accounting policies of the reportable segments are the same as those described in Note 2. The Company evaluates the performance of its segments and allocates resources to them based on revenue and earnings before interest, taxes, depreciation, and amortization, referred to as Segment EBITDA. Revenues for all operating segments include only transactions with unaffiliated customers and include no intersegment revenues.

The tables below summarize the financial information for the Company’s reportable segments for the three and nine months ended September 30, 2018 and 2017. The “Corporate and other” category, as it relates to Segment EBITDA, primarily includes corporate overhead costs, such as payroll and related benefit costs and professional services which are not directly attributable to any individual segment.

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Revenue
Franchise segment revenue - U.S.	$	53,528	$	35,025	$	164,225	$	108,470
Franchise segment revenue - International	1,294		537		3,359		1,683
Franchise segment total	54,822		35,562		167,584		110,153
Corporate-owned stores - U.S.	34,323		27,414		99,020		80,597
Corporate-owned stores - International	1,083		1,146		3,345		3,289
Corporate-owned stores total	35,406		28,560		102,365		83,886
Equipment segment - U.S.	46,428		33,374		128,589		101,875
Equipment segment total	46,428		33,374		128,589		101,875
Total revenue	$	136,656	$	97,496	$	398,538	$	295,914

Franchise segment revenue includes franchise revenue, NAF revenue, and commission income.

Franchise revenue includes revenue generated from placement services of $2,518 and $2,433 for the three months ended September 30, 2018 and 2017, respectively, and $7,694 and $7,410 for the nine months September 30, 2018 and 2017, respectively. 

	Three months ended September 30,						Nine months ended September 30,
	2018			2017			2018			2017
Segment EBITDA
Franchise	$	37,075		$	29,925		$	113,793		$	94,444
Corporate-owned stores	15,279			12,046			42,115			35,579
Equipment	9,654			7,683			28,579			23,587
Corporate and other	(9,599		)	(7,155		)	(27,576		)	(24,212		)
Total Segment EBITDA	$	52,409		$	42,499		$	156,911		$	129,398

The following table reconciles total Segment EBITDA to income before taxes:

	Three months ended September 30,						Nine months ended September 30,
	2018			2017			2018			2017
Total Segment EBITDA	$	52,409		$	42,499		$	156,911		$	129,398
Less:
Depreciation and amortization	8,863			8,137			25,947			23,982
Other expense	(27		)	408			(338		)	157
Income from operations	43,573			33,954			131,302			105,259
Interest income	2,025			18			2,480			24
Interest expense	(17,909		)	(8,938		)	(35,725		)	(26,735		)
Other expense	(27		)	408			(338		)	157
Income before income taxes	$	27,662		$	25,442		$	97,719		$	78,705

The following table summarizes the Company’s assets by reportable segment: 

	September 30, 2018		December 31, 2017
Franchise	$	186,416	$	243,348
Corporate-owned stores	228,607		167,367
Equipment	204,592		206,632
Unallocated	1,001,824		475,118
Total consolidated assets	$	1,621,439	$	1,092,465

The table above includes $2,102 and $2,558 of long-lived assets located in the Company’s corporate-owned stores in Canada as of September 30, 2018 and December 31, 2017, respectively. All other assets are located in the U.S.

The following table summarizes the Company’s goodwill by reportable segment: 

	September 30, 2018		December 31, 2017
Franchise	$	16,938	$	16,938
Corporate-owned stores	89,909		67,377
Equipment	92,666		92,666
Consolidated goodwill	$	199,513	$	176,981

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Corporate-Owned and Franchisee-Owned Stores

9 Months Ended

Sep. 30, 2018

Franchisors [Abstract]

Corporate-Owned and Franchisee-Owned Stores

Corporate-Owned and Franchisee-Owned Stores

The following table shows changes in our corporate-owned and franchisee-owned stores for the three and nine months ended September 30, 2018 and 2017:

	For the three months ended September 30,				For the nine months ended September 30,
	2018		2017		2018		2017
Franchisee-owned stores:
Stores operated at beginning of period	1,540		1,345		1,456		1,255
New stores opened	40		31		131		122
Stores debranded, sold or consolidated(1)	(7	)	(2	)	(14	)	(3	)
Stores operated at end of period	1,573		1,374		1,573		1,374
Corporate-owned stores:
Stores operated at beginning of period	68		58		62		58
New stores opened	1		—		1		—
Stores acquired from franchisees	4		—		10		—
Stores operated at end of period	73		58		73		58
Total stores:
Stores operated at beginning of period	1,608		1,403		1,518		1,313
New stores opened	41		31		132		122
Stores acquired, debranded, sold or consolidated(1)	(3	)	(2	)	(4	)	(3	)
Stores operated at end of period	1,646		1,432		1,646		1,432

 (1) The term “debrand” refers to a franchisee-owned store whose right to use the Planet Fitness brand and marks has been terminated in accordance with the franchise agreement. We retain the right to prevent debranded stores from continuing to operate as fitness centers. The term “consolidated” refers to the combination of a franchisee’s store with another store located in close proximity with our prior approval. This often coincides with an enlargement, re-equipment and/or refurbishment of the remaining store.

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Revenue recognition

9 Months Ended

Sep. 30, 2018

Revenue from Contract with Customer [Abstract]

Revenue recognition

Revenue recognition

Revenue from Contracts with Customers

We transitioned to FASB Accounting Standards Codification (“ASC”) Topic 606, Revenue From Contracts with Customers (“ASC 606”), from ASC Topic 605, Revenue Recognition and ASC Subtopic 952-605, Franchisors - Revenue Recognition (together, the “Previous Standards”) on January 1, 2018 using the modified retrospective transition method. Our Financial Statements reflect the application of ASC 606 guidance beginning in 2018, while our consolidated financial statements for prior periods were prepared under the guidance of Previous Standards. The $9,192 cumulative effect of our transition to ASC 606 is reflected as an adjustment to January 1, 2018 stockholders' deficit.

Our transition to ASC 606 represents a change in accounting principle. ASC 606 eliminates industry-specific guidance and provides a single revenue recognition model for recognizing revenue from contracts with customers. The core principle of ASC 606 is that a reporting entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the reporting entity expects to be entitled in exchange for those goods or services.

Revenue Recognition Significant Accounting Policies under ASC 606

The Company's revenues are comprised of franchise revenue, equipment revenue, and corporate-owned stores revenue.

Franchise revenue

Franchise revenues consist primarily of royalties, NAF contributions, initial and renewal franchise fees and upfront fees from area development agreements ("ADAs"), transfer fees, equipment placement revenue, other fees and commission income. 

The Company's primary performance obligation under the franchise license is granting certain rights to use the Company's intellectual property, and all other services the Company provides under the ADA and franchise agreement are highly interrelated, not distinct within the contract, and therefore accounted for under ASC 606 as a single performance obligation, which is satisfied by granting certain rights to use our intellectual property over the term of each franchise agreement.

Royalties, including franchisee contributions to national advertising funds, are calculated as a percentage of franchise monthly dues and annual fees over the term of the franchise agreement. Under our franchise agreements, advertising contributions paid by franchisees must be spent on advertising, marketing and related activities. Initial and renewal franchise fees are payable by the franchisee upon signing a new franchise agreement or renewal of an existing franchise agreement, and transfer fees are paid to the Company when one franchisee transfers a franchise agreement to a different franchisee. Our franchise royalties, as well as our NAF contributions, represent sales-based royalties that are related entirely to our performance obligation under the franchise agreement and are recognized as franchise sales occur.

Additionally, under ASC 606, initial and renewal franchise fees, as well as transfer fees, are recognized as revenue on a straight-line basis over the term of the respective franchise agreement. Under the Previous Standards, initial franchise fees were recognized as revenue when the related franchisees signed a lease and completed the Company's new franchisee training. Renewal franchise fees and transfer fees were recognized as revenue upon execution of a new franchise agreement. Our performance obligation under ADAs generally consists of an obligation to grant geographic exclusive area development rights. These development rights are not distinct from franchise agreements, so upfront fees paid by franchisees for exclusive development rights are deferred and apportioned to each franchise agreement signed by the franchisee. The pro-rata amount apportioned to each franchise agreement is accounted for identically to the initial franchise fee.

The Company is generally responsible for assembly and placement of equipment it sells to U.S. based franchisee-owned stores. Placement revenue is recognized upon completion and acceptance of the services at the franchise location.

The Company recognizes commission income from certain of its franchisees’ use of certain preferred vendor arrangements. Commissions are recognized when amounts have been earned and collectability from the vendor is reasonably assured.

Online member join fees are paid to the Company by franchisees for processing new membership transactions when a new member signs up for a membership to a franchisee-owned store through the Company’s website. These fees are recognized as revenue as each transaction occurs.

Billing transaction fees are paid to the Company by certain of its franchisees for the processing of franchisee membership dues and annual fees through the Company’s third-party hosted point-of-sale system and are recognized as revenue as they are earned.

Equipment revenue

The Company sells and delivers equipment purchased from third-party equipment manufacturers to U.S. based franchisee-owned stores.  Revenue is recognized upon transfer of control of ordered items, generally upon delivery to the customer, which is when the customer obtains physical possession of the goods, legal title is transferred, the customer has all risks and rewards of ownership and an obligation to pay for the goods is created. Franchisees are charged for all freight costs incurred for the delivery of equipment. Freight revenue is recorded within equipment revenue and freight costs are recorded within cost of revenue. The Company recognizes revenue on a gross basis in these transactions as management has determined the Company to be the principal in these transactions. Management determined the Company to be the principal in the transaction because the Company controls the equipment prior to delivery to the final customer as evidenced by its pricing discretion over the goods, inventory transfer of title and risk of loss while the inventory is in transit, and having the primary responsibility to fulfill the customer order and direct the third-party vendor.

Corporate-owned stores revenue

The following revenues are generated from stores owned and operated by the Company.

Membership dues are earned and recognized over the membership term on a straight-line basis.

Enrollment fee revenue

Enrollment fees are charged to new members at the commencement of their membership. The Company recognizes enrollment fees ratably over the estimated duration of the membership life, which is generally two years.

Annual membership fee revenue

Annual membership fees are annual fees charged to members in addition to and in order to maintain low monthly membership dues. The Company recognizes annual membership fees ratably over the 12-month membership period.

Retail sales

The Company sells Planet Fitness branded apparel, food, beverages, and other accessories. The revenue for these items is recognized at the point of sale.

Contract Liabilities

Contract liabilities consist of deferred revenue resulting from initial and renewal franchise fees and ADA fees paid by franchisees, as well as transfer fees, which are generally recognized on a straight-line basis over the term of the underlying franchise agreement. Also included are corporate-owned store enrollment fees, annual fees and monthly fees. We classify these contract liabilities as deferred revenue in our condensed consolidated balance sheets. The following table reflects the change in contract liabilities between the date of adoption (January 1, 2018) and September 30, 2018,

	Contract liabilities
Balance at January 1, 2018	$	40,000
Revenue recognized that was included in the contract liability at the beginning of the year	(18,866		)
Increase, excluding amounts recognized as revenue during the period	26,741
Balance at September 30, 2018	$	47,875

The following table illustrates estimated revenues expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) as of September 30, 2018. The Company has elected to exclude short term contracts, sales and usage based royalties and any other variable consideration recognized on an "as invoiced" basis.

Contract liabilities to be recognized in:	Amount
2018	$	11,369
2019	11,351
2020	2,515
2021	2,275
2022	2,127
Thereafter	18,238
Total	$	47,875

Financial Statement Impact of Transition to ASC 606

As noted above, we transitioned to ASC 606 using the modified retrospective method on January 1, 2018. The cumulative effect of this transition to applicable contracts with customers that were not completed as of January 1, 2018 was recorded as an adjustment to stockholders' deficit as of that date. As a result of applying the modified retrospective method to transition to ASC 606, the following adjustments were made to the consolidated balance sheet as of January 1, 2018 (in millions):

	As Reported December 31,			Total adjustments			Adjusted January 1,
	2017						2018
Assets
Current assets:
Cash and cash equivalents	$	113,080		$	—		$	113,080
Accounts receivable, net	37,272			—			37,272
Due from related parties	3,020			—			3,020
Inventory	2,692			—			2,692
Restricted assets – national advertising fund	499			—			499
Prepaid expenses	3,929			—			3,929
Other receivables	9,562			—			9,562
Other current assets	6,947			—			6,947
Total current assets	177,001			—			177,001
Property and equipment, net	83,327			—			83,327
Intangible assets, net	235,657			—			235,657
Goodwill	176,981			—			176,981
Deferred income taxes	407,782			3,285			411,067
Other assets, net	11,717			—			11,717
Total assets	$	1,092,465		$	3,285		$	1,095,750
Liabilities and stockholders' equity (deficit)
Current liabilities:
Current maturities of long-term debt	$	7,185		$	—		$	7,185
Accounts payable	28,648			—			28,648
Accrued expenses	18,590			—			18,590
Equipment deposits	6,498			—			6,498
Restricted liabilities – national advertising fund	490			—			490
Deferred revenue, current	19,083			(764		)	18,319
Payable pursuant to tax benefit arrangements, current	31,062			—			31,062
Other current liabilities	474			—			474
Total current liabilities	112,030			(764		)	111,266
Long-term debt, net of current maturities	696,576			—			696,576
Deferred rent, net of current portion	6,127			—			6,127
Deferred revenue, net of current portion	8,440			13,241			21,681
Deferred tax liabilities	1,629			—			1,629
Payable pursuant to tax benefit arrangements, net of current portion	400,298			—			400,298
Other liabilities	4,302			—			4,302
Total noncurrent liabilities	1,117,372			13,241			1,130,613
Stockholders' equity (deficit):
Class A common stock	9			—			9
Class B common stock	1			—			1
Accumulated other comprehensive loss	(648		)	—			(648		)
Additional paid in capital	12,118			—			12,118
Accumulated deficit	(130,966		)	(9,192		)	(140,158		)
Total stockholders' deficit attributable to Planet Fitness Inc.	(119,486		)	(9,192		)	(128,678		)
Non-controlling interests	(17,451		)	—			(17,451		)
Total stockholders' deficit	(136,937		)	(9,192		)	(146,129		)
Total liabilities and stockholders' deficit	$	1,092,465		$	3,285		$	1,095,750

Franchise Fees

The cumulative adjustment for franchise fees, including ADA fees, renewal fees and transfer fees which will all be recognized over the franchise contract term consist of the following:

• An increase in deferred revenue, net of $12,477 for the cumulative reversal and deferral of previously recognized fees related to franchise agreements in effect at January 1, 2018 that were entered into subsequent to the acquisition of Pla-Fit Holdings on November 8, 2012 by TSG Consumer Partners, LLC (the “2012 Acquisition”) (net of the cumulative revenue attributable for the period through January 1, 2018), with a corresponding decrease to Shareholders’ equity.

• An increase to deferred income taxes, net of $3,285 for the tax effects of the adjustment noted above, with a corresponding increase to stockholders' equity.

Comparison to Amounts if Previous Standards Had Been in Effect

The following tables reflect the impact of adoption of ASC 606 on our consolidated statements of operations for the three and nine months ended September 30, 2018, cash flows from operating activities for the nine months ended September 30, 2018 and our condensed consolidated balance sheet as of September 30, 2018 and the amounts as if the Previous Standards were in effect (“Amounts Under Previous Standards”):

Consolidated statement of operations

	As reported for the three months ended September 30, 2018			Total adjustments			Amounts under Previous Standards			As reported for the nine months ended September 30, 2018			Total adjustments			Amounts under Previous Standards
Revenue:
Franchise	$	41,997		$	2,486		$	44,483		$	129,575		$	5,013		$	134,588
Commission income	1,448			—			1,448			5,012			—			5,012
National advertising fund revenue	11,377			(11,377		)	—			32,997			(32,997		)	—
Corporate-owned stores	35,406			—			35,406			102,365			—			102,365
Equipment	46,428			—			46,428			128,589			—			128,589
Total revenue	136,656			(8,891		)	127,765			398,538			(27,984		)	370,554
Operating costs and expenses:
Cost of revenue	36,871			—			36,871			100,114			—			100,114
Store operations	18,751			—			18,751			55,154			—			55,154
Selling, general and administrative	17,233			—			17,233			52,066			—			52,066
National advertising fund expense	11,377			(11,377		)	—			32,997			(32,997		)	—
Depreciation and amortization	8,863			—			8,863			25,947			—			25,947
Other loss (gain)	(12		)	—			(12		)	958			—			958
Total operating costs and expenses	93,083			(11,377		)	81,706			267,236			(32,997		)	234,239
Income from operations	43,573			2,486			46,059			131,302			5,013			136,315
Other expense, net:
Interest income	2,025			—			2,025			2,480			—			2,480
Interest expense	(17,909		)	—			(17,909		)	(35,725		)	—			(35,725		)
Other (expense) income	(27		)	—			(27		)	(338		)	—			(338		)
Total other expense, net	(15,911		)	—			(15,911		)	(33,583		)	—			(33,583		)
Income before income taxes	27,662			2,486			30,148			97,719			5,013			102,732
Provision for income taxes	7,190			654			7,844			23,335			1,278			24,613
Net income	20,472			1,832			22,304			74,384			3,735			78,119
Less net income attributable to non-controlling interests	3,001			254			3,255			11,158			533			11,691
Net income attributable to Planet Fitness, Inc.	$	17,471		$	1,578		$	19,049		$	63,226		$	3,202		$	66,428
Net income per share of Class A common stock:
Basic	$	0.20					$	0.22		$	0.72					$	0.76
Diluted	$	0.20					$	0.22		$	0.72					$	0.75

Consolidated Statement of Cash Flows

	As reported September 30, 2018			Total adjustments			Amounts under Previous Standards
Cash flows from operating activities:
Net income	$	74,384		$	3,735		$	78,119
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25,947			—			25,947
Amortization of deferred financing costs	2,041			—			2,041
Amortization of favorable leases and asset retirement obligations	280			—			280
Amortization of interest rate caps	1,170			—			1,170
Deferred tax expense	19,654			—			19,654
Loss on extinguishment of debt	4,570			—			4,570
Gain on re-measurement of tax benefit arrangement	(354		)	—			(354		)
Provision for bad debts	8			—			8
Loss on reacquired franchise rights	360			—			360
Loss on disposal of property and equipment	542			—			542
Equity-based compensation	4,137			—			4,137
Changes in operating assets and liabilities, excluding effects of acquisitions:
Accounts receivable	10,922			—			10,922
Due to and due from related parties	3,174			—			3,174
Inventory	(3,450		)	—			(3,450		)
Other assets and other current assets	4,972			—			4,972
National advertising fund	—			—			—
Accounts payable and accrued expenses	2,426			—			2,426
Other liabilities and other current liabilities	(2,869		)	—			(2,869		)
Income taxes	1,028			1,278			2,306
Payable to related parties pursuant to tax benefit arrangements	(21,706		)	—			(21,706		)
Equipment deposits	4,950			—			4,950
Deferred revenue	7,544			(5,013		)	2,531
Deferred rent	4,156			—			4,156
Net cash provided by operating activities	$	143,886		$	—		$	143,886

Consolidated Balance Sheet

	As reported September 30, 2018			Total adjustments			Amounts under Previous Standards
Assets
Current assets:
Cash and cash equivalents	$	572,731		$	—		$	572,731
Restricted cash	35,915			—			35,915
Accounts receivable, net	26,145			—			26,145
Inventory	6,142			—			6,142
Restricted assets – national advertising fund	3,418			—			3,418
Prepaid expenses	3,813			—			3,813
Other receivables	10,993			—			10,993
Other current assets	6,318			—			6,318
Total current assets	665,475			—			665,475
Property and equipment, net	97,240			—			97,240
Intangible assets, net	237,896			—			237,896
Goodwill	199,513			—			199,513
Deferred income taxes	416,707			(3,285		)	413,422
Other assets, net	4,608			—			4,608
Total assets	$	1,621,439		$	(3,285	)	$	1,618,154
Liabilities and stockholders' equity (deficit)
Current liabilities:
Current maturities of long-term debt	$	12,000		$	—		$	12,000
Accounts payable	23,400			—			23,400
Accrued expenses	26,764			1,278			28,042
Equipment deposits	11,449			—			11,449
Restricted liabilities – national advertising fund	3,418			—			3,418
Deferred revenue, current	21,959			24			21,983
Payable pursuant to tax benefit arrangements, current	25,578			—			25,578
Other current liabilities	456			—			456
Total current liabilities	125,024			1,302			126,326
Long-term debt, net of current maturities	1,161,712			—			1,161,712
Deferred rent, net of current portion	10,297			—			10,297
Deferred revenue, net of current portion	25,916			(17,591		)	8,325
Deferred tax liabilities	1,730			—			1,730
Payable pursuant to tax benefit arrangements, net of current portion	405,577			—			405,577
Other liabilities	1,331			—			1,331
Total noncurrent liabilities	1,606,563			(17,591		)	1,588,972
Stockholders' equity (deficit):
Class A common stock	9			—			9
Class B common stock	1			—			1
Accumulated other comprehensive income	256			—			256
Additional paid in capital	17,237			—			17,237
Accumulated deficit	(118,964		)	12,471			(106,493		)
Total stockholders' deficit attributable to Planet Fitness Inc.	(101,461		)	12,471			(88,990		)
Non-controlling interests	(8,687		)	533			(8,154		)
Total stockholders' deficit	(110,148		)	13,004			(97,144		)
Total liabilities and stockholders' deficit	$	1,621,439		$	(3,285	)	$	1,618,154

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Summary of significant accounting policies (Policies)

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Basis of presentation and consolidation

Basis of presentation and consolidation

The accompanying unaudited interim condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (U.S. GAAP) for interim financial information and pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”). Accordingly, these interim financial statements do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring adjustments) necessary for a fair presentation of the results of operations, financial position and cash flows for the periods presented have been reflected. All significant intercompany balances and transactions have been eliminated in consolidation.

The condensed consolidated financial statements as of and for the three and nine months ended September 30, 2018 and 2017 are unaudited. The condensed consolidated balance sheet as of December 31, 2017 has been derived from the audited financial statements at that date but does not include all of the disclosures required by U.S. GAAP. These interim condensed consolidated financial statements should be read in conjunction with the Company’s Annual Report on Form 10-K for the year ended December 31, 2017 (the “Annual Report”) filed with the SEC on March 1, 2018. Operating results for the interim periods are not necessarily indicative of the results that may be expected for the full year.

As discussed in Note 1, as a result of the recapitalization transactions, Planet Fitness, Inc. consolidates Pla-Fit Holdings. The Company also consolidates entities in which it has a controlling financial interest, the usual condition of which is ownership of a majority voting interest. The Company also considers for consolidation certain interests where the controlling financial interest may be achieved through arrangements that do not involve voting interests. Such an entity, known as a variable interest entity (“VIE”), is required to be consolidated by its primary beneficiary. The primary beneficiary of a VIE is considered to possess the power to direct the activities of the VIE that most significantly impact its economic performance and has the obligation to absorb losses or the rights to receive benefits from the VIE that are significant to it. The principal entities in which the Company possesses a variable interest include franchise entities and certain other entities. The Company is not deemed to be the primary beneficiary for Planet Fitness franchise entities. Therefore, these entities are not consolidated.

The results of the Company have been consolidated with Matthew Michael Realty LLC (“MMR”) and PF Melville LLC (“PF Melville”) based on the determination that the Company is the primary beneficiary with respect to these VIEs. These entities are real estate holding companies that derive a majority of their financial support from the Company through lease agreements for corporate stores. See Note 3 for further information related to the Company’s VIEs.

Use of estimates

Use of estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Although these estimates are based on management’s knowledge of current events and actions it may undertake in the future, they may ultimately differ from actual results. Significant areas where estimates and judgments are relied upon by management in the preparation of the consolidated financial statements include revenue recognition, valuation of assets and liabilities in connection with acquisitions, valuation of equity-based compensation awards, the evaluation of the recoverability of goodwill and long-lived assets, including intangible assets, income taxes, including deferred tax assets and liabilities and reserves for unrecognized tax benefits, and the liability for the Company’s tax benefit arrangements.

Fair Value

Fair Value

ASC 820, Fair Value Measurements and Disclosures, establishes a three-level valuation hierarchy for disclosure of fair value measurements. The valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability as of the measurement date. Categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The three levels are defined as follows:

Level 1—Inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.

Level 2—Inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.

Level 3—Inputs to the valuation methodology are unobservable and significant to the fair value measurement.

Recent accounting pronouncements

Recent accounting pronouncements

The FASB issued ASU No. 2014-9, Revenue from Contracts with Customers, in September 2014. This guidance requires that an entity recognize revenue to depict the transfer of a promised good or service to its customers in an amount that reflects consideration to which the entity expects to be entitled in exchange for such transfer. This guidance also specifies accounting for certain costs incurred by an entity to obtain or fulfill a contract with a customer and provides for enhancements to revenue specific disclosures intended to allow users of the financial statements to clearly understand the nature, amount, timing and uncertainty of revenue and cash flows arising from an entity’s contracts with its customers. The Company has adopted the guidance as of January 1, 2018 on a modified retrospective basis. See Note 15 for details about the effect of adoption.

The FASB issued ASU No. 2016-2, Leases, in February 2016. This guidance is intended to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. This guidance is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years for public companies. Early application of the amendments in this update is permitted for all entities. The Company anticipates that adoption of this guidance will bring all current operating leases onto the statement of financial position as a right of use asset and related rent liability, and is currently evaluating the effect that implementation of this guidance will have on its consolidated statement of operations.

The FASB issued ASU No. 2016-15, Classification of Certain Cash Receipts and Cash Payments, in August 2016. This guidance is intended to reduce diversity in practice of the classification of certain cash receipts and cash payments. This guidance will be effective for fiscal years beginning after December 15, 2017, including interim periods within that year. The Company has adopted the guidance as of January 1, 2018 on a prospective basis, noting no material impact on its consolidated financial statements.

The FASB issued ASU No. 2017-4, Intangibles–Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment, in January 2017. This guidance eliminates the requirement to calculate the implied fair value, essentially eliminating step two from the goodwill impairment test. The new standard requires goodwill impairment to be based upon the results of step one of the impairment test, which is defined as the excess of the carrying value of a reporting unit over its fair value. The impairment charge will be limited to the amount of goodwill allocated to that reporting unit. This guidance will be effective for fiscal years beginning after December 15, 2019, including interim periods within that year. This new guidance is not expected to have a material impact on the Company’s consolidated financial statements.

The FASB issued ASU No. 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities, in August 2017. The guidance simplifies the application of hedge accounting in certain situations and amends the hedge accounting model to enable entities to better portray the economics of their risk management activities in the financial statements. This guidance will be effective for fiscal years beginning after December 15, 2018, including interim periods within that year. The Company is currently evaluating the impact of this guidance on its consolidated financial statements.

Revenue Recognition

Revenue from Contracts with Customers

We transitioned to FASB Accounting Standards Codification (“ASC”) Topic 606, Revenue From Contracts with Customers (“ASC 606”), from ASC Topic 605, Revenue Recognition and ASC Subtopic 952-605, Franchisors - Revenue Recognition (together, the “Previous Standards”) on January 1, 2018 using the modified retrospective transition method. Our Financial Statements reflect the application of ASC 606 guidance beginning in 2018, while our consolidated financial statements for prior periods were prepared under the guidance of Previous Standards. The $9,192 cumulative effect of our transition to ASC 606 is reflected as an adjustment to January 1, 2018 stockholders' deficit.

Our transition to ASC 606 represents a change in accounting principle. ASC 606 eliminates industry-specific guidance and provides a single revenue recognition model for recognizing revenue from contracts with customers. The core principle of ASC 606 is that a reporting entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the reporting entity expects to be entitled in exchange for those goods or services.

Revenue Recognition Significant Accounting Policies under ASC 606

The Company's revenues are comprised of franchise revenue, equipment revenue, and corporate-owned stores revenue.

Franchise revenue

Franchise revenues consist primarily of royalties, NAF contributions, initial and renewal franchise fees and upfront fees from area development agreements ("ADAs"), transfer fees, equipment placement revenue, other fees and commission income. 

The Company's primary performance obligation under the franchise license is granting certain rights to use the Company's intellectual property, and all other services the Company provides under the ADA and franchise agreement are highly interrelated, not distinct within the contract, and therefore accounted for under ASC 606 as a single performance obligation, which is satisfied by granting certain rights to use our intellectual property over the term of each franchise agreement.

Royalties, including franchisee contributions to national advertising funds, are calculated as a percentage of franchise monthly dues and annual fees over the term of the franchise agreement. Under our franchise agreements, advertising contributions paid by franchisees must be spent on advertising, marketing and related activities. Initial and renewal franchise fees are payable by the franchisee upon signing a new franchise agreement or renewal of an existing franchise agreement, and transfer fees are paid to the Company when one franchisee transfers a franchise agreement to a different franchisee. Our franchise royalties, as well as our NAF contributions, represent sales-based royalties that are related entirely to our performance obligation under the franchise agreement and are recognized as franchise sales occur.

Additionally, under ASC 606, initial and renewal franchise fees, as well as transfer fees, are recognized as revenue on a straight-line basis over the term of the respective franchise agreement. Under the Previous Standards, initial franchise fees were recognized as revenue when the related franchisees signed a lease and completed the Company's new franchisee training. Renewal franchise fees and transfer fees were recognized as revenue upon execution of a new franchise agreement. Our performance obligation under ADAs generally consists of an obligation to grant geographic exclusive area development rights. These development rights are not distinct from franchise agreements, so upfront fees paid by franchisees for exclusive development rights are deferred and apportioned to each franchise agreement signed by the franchisee. The pro-rata amount apportioned to each franchise agreement is accounted for identically to the initial franchise fee.

The Company is generally responsible for assembly and placement of equipment it sells to U.S. based franchisee-owned stores. Placement revenue is recognized upon completion and acceptance of the services at the franchise location.

The Company recognizes commission income from certain of its franchisees’ use of certain preferred vendor arrangements. Commissions are recognized when amounts have been earned and collectability from the vendor is reasonably assured.

Online member join fees are paid to the Company by franchisees for processing new membership transactions when a new member signs up for a membership to a franchisee-owned store through the Company’s website. These fees are recognized as revenue as each transaction occurs.

Billing transaction fees are paid to the Company by certain of its franchisees for the processing of franchisee membership dues and annual fees through the Company’s third-party hosted point-of-sale system and are recognized as revenue as they are earned.

Equipment revenue

The Company sells and delivers equipment purchased from third-party equipment manufacturers to U.S. based franchisee-owned stores.  Revenue is recognized upon transfer of control of ordered items, generally upon delivery to the customer, which is when the customer obtains physical possession of the goods, legal title is transferred, the customer has all risks and rewards of ownership and an obligation to pay for the goods is created. Franchisees are charged for all freight costs incurred for the delivery of equipment. Freight revenue is recorded within equipment revenue and freight costs are recorded within cost of revenue. The Company recognizes revenue on a gross basis in these transactions as management has determined the Company to be the principal in these transactions. Management determined the Company to be the principal in the transaction because the Company controls the equipment prior to delivery to the final customer as evidenced by its pricing discretion over the goods, inventory transfer of title and risk of loss while the inventory is in transit, and having the primary responsibility to fulfill the customer order and direct the third-party vendor.

Corporate-owned stores revenue

The following revenues are generated from stores owned and operated by the Company.

Membership dues are earned and recognized over the membership term on a straight-line basis.

Enrollment fee revenue

Enrollment fees are charged to new members at the commencement of their membership. The Company recognizes enrollment fees ratably over the estimated duration of the membership life, which is generally two years.

Annual membership fee revenue

Annual membership fees are annual fees charged to members in addition to and in order to maintain low monthly membership dues. The Company recognizes annual membership fees ratably over the 12-month membership period.

Retail sales

The Company sells Planet Fitness branded apparel, food, beverages, and other accessories. The revenue for these items is recognized at the point of sale.

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Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Summary of Company's Assets and Liabilities Measured at Fair Value on Recurring Basis

The table below presents information about the Company’s assets and liabilities that are measured at fair value on a recurring basis as of September 30, 2018 and December 31, 2017:

	Total fair value at September 30, 2018		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Interest rate caps	$	—	$	—	$	—	$	—
	Total fair value at December 31, 2017		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Interest rate caps	$	340	$	—	$	340	$	—

The carrying value and estimated fair value of long-term debt as of September 30, 2018 and December 31, 2017 were as follows:

	September 30, 2018				December 31, 2017
	Carrying value		Estimated fair value(1)		Carrying value		Estimated fair value(2)
Long-term debt	$	1,200,000	$	1,195,278	$	709,470	$	709,470

(1) The estimated fair value of our long-term debt is estimated primarily based on current bid prices for our long-term debt. Judgment is required to develop these estimates. As such, the fair value of our long-term debt is classified within Level 2, as defined under U.S. GAAP.

(2) The carrying value of the Term Loan B debt approximated fair value as of December 31, 2017 as it was variable rate debt.

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Variable Interest Entities (Tables)

9 Months Ended

Sep. 30, 2018

Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net [Abstract]

Carrying Value of Variable Interest Entities of Consolidated Financial Statements

The carrying values of VIEs included in the consolidated financial statements as of September 30, 2018 and December 31, 2017 are as follows: 

	September 30, 2018				December 31, 2017
	Assets		Liabilities		Assets		Liabilities
PF Melville	$	4,695	$	—	$	4,420	$	—
MMR	3,512		—		3,360		—
Total	$	8,207	$	—	$	7,780	$	—

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Acquisition (Tables)

9 Months Ended

Sep. 30, 2018

Business Combinations [Abstract]

Purchase Consideration Allocation

The preliminary purchase consideration was allocated as follows:

	Amount
Fixed assets	3,873
Reacquired franchise rights	4,610
Customer relationships	140
Favorable leases, net	80
Other assets	143
Goodwill	8,476
Liabilities assumed, including deferred revenues	(83	)
	17,239

The purchase consideration was allocated as follows:

	Amount
Fixed assets	$	4,672
Reacquired franchise rights	7,640
Customer relationships	1,150
Favorable leases, net	520
Reacquired area development rights	150
Other assets	275
Goodwill	14,056
Liabilities assumed, including deferred revenues	(310		)
	$	28,153

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Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Goodwill and Intangible Assets

A summary of goodwill and intangible assets at September 30, 2018 and December 31, 2017 is as follows: 

September 30, 2018	Weighted average amortization period (years)	Gross carrying amount		Accumulated amortization			Net carrying Amount
Customer relationships	11.0	$	173,063	(96,201		)	$	76,862
Noncompete agreements	5.0	14,500		(14,500		)	—
Favorable leases	7.6	3,545		(2,248		)	1,297
Order backlog	0.4	3,400		(3,400		)	—
Reacquired franchise rights	7.1	21,199		(7,890		)	13,309
Reacquired ADA rights	5.0	150		(22		)	128
		215,857		(124,261		)	91,596
Indefinite-lived intangible:
Trade and brand names	N/A	146,300		—			146,300
Total intangible assets		$	362,157	$	(124,261	)	$	237,896
Goodwill		$	199,513	$	—		$	199,513

December 31, 2017	Weighted average amortization period (years)	Gross carrying amount		Accumulated amortization			Net carrying Amount
Customer relationships	11.1	$	171,782	$	(86,501	)	$	85,281
Noncompete agreements	5.0	14,500		(14,500		)	—
Favorable leases	7.5	2,935		(1,972		)	963
Order backlog	0.4	3,400		(3,400		)	—
Reacquired franchise rights	5.8	8,950		(5,837		)	3,113
		201,567		(112,210		)	89,357
Indefinite-lived intangible:
Trade and brand names	N/A	146,300		—			146,300
Total intangible assets		$	347,867	$	(112,210	)	$	235,657
Goodwill		$	176,981	$	—		$	176,981

Summary of Amortization expenses

The anticipated annual amortization expense related to intangible assets to be recognized in future years as of September 30, 2018 is as follows:

	Amount
Remainder of 2018	$	4,026
2019	16,111
2020	14,260
2021	14,234
2022	14,426
Thereafter	28,539
Total	$	91,596

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Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

Long-term debt as of September 30, 2018 and December 31, 2017 consists of the following: 

	September 30, 2018			December 31, 2017
Class A-2-I notes	$	575,000		$	—
Class A-2-II notes	625,000			—
Term loan B, repaid August 2018	—			709,470
Total debt, excluding deferred financing costs	1,200,000			709,470
Deferred financing costs, net of accumulated amortization	(26,288		)	(5,709		)
Total debt	1,173,712			703,761
Current portion of long-term debt and line of credit	12,000			7,185
Long-term debt, net of current portion	$	1,161,712		$	696,576

Schedule of Future Annual Payments of Long-term Debt

Future annual principal payments of long-term debt as of September 30, 2018 are as follows: 

	Amount
Remainder of 2018	$	3,000
2019	12,000
2020	12,000
2021	12,000
2022	562,563
Thereafter	598,437
Total	$	1,200,000

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Related party transactions (Tables)

9 Months Ended

Sep. 30, 2018

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

Activity with entities considered to be related parties is summarized below: 

	For the three months ended September 30,				For the nine months ended September 30,
	2018		2017		2018		2017
Franchise revenue	$	897	$	344	$	2,453	$	1,174
Equipment revenue	1,472		4		1,782		577
Total revenue from related parties	$	2,369	$	348	4,235		$	1,751

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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Reconciliation of Numerators and Denominators Used to Compute Basic and Diluted Earnings per Share

The following table sets forth reconciliations used to compute basic and diluted earnings per share of Class A common stock:  

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Numerator
Net income	$	20,472	$	18,902	$	74,384	$	54,772
Less: net income attributable to non-controlling interests	3,001		3,557		11,158		18,173
Net income attributable to Planet Fitness, Inc.	$	17,471	$	15,345	$	63,226	$	36,599
Denominator
Weighted-average shares of Class A common stock outstanding - basic	88,047,401		85,662,650		87,727,300		76,391,277
Effect of dilutive securities:
Stock options	382,499		66,610		319,610		38,524
Restricted stock units	27,904		5,196		17,141		5,018
Weighted-average shares of Class A common stock outstanding - diluted	88,457,804		85,734,456		88,064,051		76,434,819
Earnings per share of Class A common stock - basic	$	0.20	$	0.18	$	0.72	$	0.48
Earnings per share of Class A common stock - diluted	$	0.20	$	0.18	$	0.72	$	0.48

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Income Taxes (Tables)

9 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Schedule of Future Payments Under Tax Benefit Arrangements

Projected future payments under the tax benefit arrangements are as follows:

	Amount
Remainder of 2018	$	8,764
2019	24,447
2020	24,899
2021	25,323
2022	25,812
Thereafter	321,910
Total	$	431,155

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Segments (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Summary of Financial Information for the Company's Reportable Segments

	Three months ended September 30,						Nine months ended September 30,
	2018			2017			2018			2017
Segment EBITDA
Franchise	$	37,075		$	29,925		$	113,793		$	94,444
Corporate-owned stores	15,279			12,046			42,115			35,579
Equipment	9,654			7,683			28,579			23,587
Corporate and other	(9,599		)	(7,155		)	(27,576		)	(24,212		)
Total Segment EBITDA	$	52,409		$	42,499		$	156,911		$	129,398

The tables below summarize the financial information for the Company’s reportable segments for the three and nine months ended September 30, 2018 and 2017. The “Corporate and other” category, as it relates to Segment EBITDA, primarily includes corporate overhead costs, such as payroll and related benefit costs and professional services which are not directly attributable to any individual segment.

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Revenue
Franchise segment revenue - U.S.	$	53,528	$	35,025	$	164,225	$	108,470
Franchise segment revenue - International	1,294		537		3,359		1,683
Franchise segment total	54,822		35,562		167,584		110,153
Corporate-owned stores - U.S.	34,323		27,414		99,020		80,597
Corporate-owned stores - International	1,083		1,146		3,345		3,289
Corporate-owned stores total	35,406		28,560		102,365		83,886
Equipment segment - U.S.	46,428		33,374		128,589		101,875
Equipment segment total	46,428		33,374		128,589		101,875
Total revenue	$	136,656	$	97,496	$	398,538	$	295,914

Reconciliation of Total Segment EBITDA to Income Before Taxes

The following table reconciles total Segment EBITDA to income before taxes:

	Three months ended September 30,						Nine months ended September 30,
	2018			2017			2018			2017
Total Segment EBITDA	$	52,409		$	42,499		$	156,911		$	129,398
Less:
Depreciation and amortization	8,863			8,137			25,947			23,982
Other expense	(27		)	408			(338		)	157
Income from operations	43,573			33,954			131,302			105,259
Interest income	2,025			18			2,480			24
Interest expense	(17,909		)	(8,938		)	(35,725		)	(26,735		)
Other expense	(27		)	408			(338		)	157
Income before income taxes	$	27,662		$	25,442		$	97,719		$	78,705

Summary of Company's Assets by Reportable Segment

The following table summarizes the Company’s assets by reportable segment: 

	September 30, 2018		December 31, 2017
Franchise	$	186,416	$	243,348
Corporate-owned stores	228,607		167,367
Equipment	204,592		206,632
Unallocated	1,001,824		475,118
Total consolidated assets	$	1,621,439	$	1,092,465

Summary of Company's Goodwill by Reportable Segment

The following table summarizes the Company’s goodwill by reportable segment: 

	September 30, 2018		December 31, 2017
Franchise	$	16,938	$	16,938
Corporate-owned stores	89,909		67,377
Equipment	92,666		92,666
Consolidated goodwill	$	199,513	$	176,981

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Corporate-Owned and Franchisee-Owned Stores (Tables)

9 Months Ended

Sep. 30, 2018

Franchisors [Abstract]

Schedule of Changes in Corporate-Owned and Franchisee-Owned Stores

The following table shows changes in our corporate-owned and franchisee-owned stores for the three and nine months ended September 30, 2018 and 2017:

	For the three months ended September 30,				For the nine months ended September 30,
	2018		2017		2018		2017
Franchisee-owned stores:
Stores operated at beginning of period	1,540		1,345		1,456		1,255
New stores opened	40		31		131		122
Stores debranded, sold or consolidated(1)	(7	)	(2	)	(14	)	(3	)
Stores operated at end of period	1,573		1,374		1,573		1,374
Corporate-owned stores:
Stores operated at beginning of period	68		58		62		58
New stores opened	1		—		1		—
Stores acquired from franchisees	4		—		10		—
Stores operated at end of period	73		58		73		58
Total stores:
Stores operated at beginning of period	1,608		1,403		1,518		1,313
New stores opened	41		31		132		122
Stores acquired, debranded, sold or consolidated(1)	(3	)	(2	)	(4	)	(3	)
Stores operated at end of period	1,646		1,432		1,646		1,432

 (1) The term “debrand” refers to a franchisee-owned store whose right to use the Planet Fitness brand and marks has been terminated in accordance with the franchise agreement. We retain the right to prevent debranded stores from continuing to operate as fitness centers. The term “consolidated” refers to the combination of a franchisee’s store with another store located in close proximity with our prior approval. This often coincides with an enlargement, re-equipment and/or refurbishment of the remaining store.

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Revenue recognition (Tables)

9 Months Ended

Sep. 30, 2018

Revenue from Contract with Customer [Abstract]

Schedule of Contract Liabilities

The following table reflects the change in contract liabilities between the date of adoption (January 1, 2018) and September 30, 2018,

	Contract liabilities
Balance at January 1, 2018	$	40,000
Revenue recognized that was included in the contract liability at the beginning of the year	(18,866		)
Increase, excluding amounts recognized as revenue during the period	26,741
Balance at September 30, 2018	$	47,875

Remaining Performance Obligation

The following table illustrates estimated revenues expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) as of September 30, 2018. The Company has elected to exclude short term contracts, sales and usage based royalties and any other variable consideration recognized on an "as invoiced" basis.

Contract liabilities to be recognized in:	Amount
2018	$	11,369
2019	11,351
2020	2,515
2021	2,275
2022	2,127
Thereafter	18,238
Total	$	47,875

Impact of ASC 606

As a result of applying the modified retrospective method to transition to ASC 606, the following adjustments were made to the consolidated balance sheet as of January 1, 2018 (in millions):

	As Reported December 31,			Total adjustments			Adjusted January 1,
	2017						2018
Assets
Current assets:
Cash and cash equivalents	$	113,080		$	—		$	113,080
Accounts receivable, net	37,272			—			37,272
Due from related parties	3,020			—			3,020
Inventory	2,692			—			2,692
Restricted assets – national advertising fund	499			—			499
Prepaid expenses	3,929			—			3,929
Other receivables	9,562			—			9,562
Other current assets	6,947			—			6,947
Total current assets	177,001			—			177,001
Property and equipment, net	83,327			—			83,327
Intangible assets, net	235,657			—			235,657
Goodwill	176,981			—			176,981
Deferred income taxes	407,782			3,285			411,067
Other assets, net	11,717			—			11,717
Total assets	$	1,092,465		$	3,285		$	1,095,750
Liabilities and stockholders' equity (deficit)
Current liabilities:
Current maturities of long-term debt	$	7,185		$	—		$	7,185
Accounts payable	28,648			—			28,648
Accrued expenses	18,590			—			18,590
Equipment deposits	6,498			—			6,498
Restricted liabilities – national advertising fund	490			—			490
Deferred revenue, current	19,083			(764		)	18,319
Payable pursuant to tax benefit arrangements, current	31,062			—			31,062
Other current liabilities	474			—			474
Total current liabilities	112,030			(764		)	111,266
Long-term debt, net of current maturities	696,576			—			696,576
Deferred rent, net of current portion	6,127			—			6,127
Deferred revenue, net of current portion	8,440			13,241			21,681
Deferred tax liabilities	1,629			—			1,629
Payable pursuant to tax benefit arrangements, net of current portion	400,298			—			400,298
Other liabilities	4,302			—			4,302
Total noncurrent liabilities	1,117,372			13,241			1,130,613
Stockholders' equity (deficit):
Class A common stock	9			—			9
Class B common stock	1			—			1
Accumulated other comprehensive loss	(648		)	—			(648		)
Additional paid in capital	12,118			—			12,118
Accumulated deficit	(130,966		)	(9,192		)	(140,158		)
Total stockholders' deficit attributable to Planet Fitness Inc.	(119,486		)	(9,192		)	(128,678		)
Non-controlling interests	(17,451		)	—			(17,451		)
Total stockholders' deficit	(136,937		)	(9,192		)	(146,129		)
Total liabilities and stockholders' deficit	$	1,092,465		$	3,285		$	1,095,750

The following tables reflect the impact of adoption of ASC 606 on our consolidated statements of operations for the three and nine months ended September 30, 2018, cash flows from operating activities for the nine months ended September 30, 2018 and our condensed consolidated balance sheet as of September 30, 2018 and the amounts as if the Previous Standards were in effect (“Amounts Under Previous Standards”):

Consolidated statement of operations

	As reported for the three months ended September 30, 2018			Total adjustments			Amounts under Previous Standards			As reported for the nine months ended September 30, 2018			Total adjustments			Amounts under Previous Standards
Revenue:
Franchise	$	41,997		$	2,486		$	44,483		$	129,575		$	5,013		$	134,588
Commission income	1,448			—			1,448			5,012			—			5,012
National advertising fund revenue	11,377			(11,377		)	—			32,997			(32,997		)	—
Corporate-owned stores	35,406			—			35,406			102,365			—			102,365
Equipment	46,428			—			46,428			128,589			—			128,589
Total revenue	136,656			(8,891		)	127,765			398,538			(27,984		)	370,554
Operating costs and expenses:
Cost of revenue	36,871			—			36,871			100,114			—			100,114
Store operations	18,751			—			18,751			55,154			—			55,154
Selling, general and administrative	17,233			—			17,233			52,066			—			52,066
National advertising fund expense	11,377			(11,377		)	—			32,997			(32,997		)	—
Depreciation and amortization	8,863			—			8,863			25,947			—			25,947
Other loss (gain)	(12		)	—			(12		)	958			—			958
Total operating costs and expenses	93,083			(11,377		)	81,706			267,236			(32,997		)	234,239
Income from operations	43,573			2,486			46,059			131,302			5,013			136,315
Other expense, net:
Interest income	2,025			—			2,025			2,480			—			2,480
Interest expense	(17,909		)	—			(17,909		)	(35,725		)	—			(35,725		)
Other (expense) income	(27		)	—			(27		)	(338		)	—			(338		)
Total other expense, net	(15,911		)	—			(15,911		)	(33,583		)	—			(33,583		)
Income before income taxes	27,662			2,486			30,148			97,719			5,013			102,732
Provision for income taxes	7,190			654			7,844			23,335			1,278			24,613
Net income	20,472			1,832			22,304			74,384			3,735			78,119
Less net income attributable to non-controlling interests	3,001			254			3,255			11,158			533			11,691
Net income attributable to Planet Fitness, Inc.	$	17,471		$	1,578		$	19,049		$	63,226		$	3,202		$	66,428
Net income per share of Class A common stock:
Basic	$	0.20					$	0.22		$	0.72					$	0.76
Diluted	$	0.20					$	0.22		$	0.72					$	0.75

Consolidated Statement of Cash Flows

	As reported September 30, 2018			Total adjustments			Amounts under Previous Standards
Cash flows from operating activities:
Net income	$	74,384		$	3,735		$	78,119
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25,947			—			25,947
Amortization of deferred financing costs	2,041			—			2,041
Amortization of favorable leases and asset retirement obligations	280			—			280
Amortization of interest rate caps	1,170			—			1,170
Deferred tax expense	19,654			—			19,654
Loss on extinguishment of debt	4,570			—			4,570
Gain on re-measurement of tax benefit arrangement	(354		)	—			(354		)
Provision for bad debts	8			—			8
Loss on reacquired franchise rights	360			—			360
Loss on disposal of property and equipment	542			—			542
Equity-based compensation	4,137			—			4,137
Changes in operating assets and liabilities, excluding effects of acquisitions:
Accounts receivable	10,922			—			10,922
Due to and due from related parties	3,174			—			3,174
Inventory	(3,450		)	—			(3,450		)
Other assets and other current assets	4,972			—			4,972
National advertising fund	—			—			—
Accounts payable and accrued expenses	2,426			—			2,426
Other liabilities and other current liabilities	(2,869		)	—			(2,869		)
Income taxes	1,028			1,278			2,306
Payable to related parties pursuant to tax benefit arrangements	(21,706		)	—			(21,706		)
Equipment deposits	4,950			—			4,950
Deferred revenue	7,544			(5,013		)	2,531
Deferred rent	4,156			—			4,156
Net cash provided by operating activities	$	143,886		$	—		$	143,886

Consolidated Balance Sheet

	As reported September 30, 2018			Total adjustments			Amounts under Previous Standards
Assets
Current assets:
Cash and cash equivalents	$	572,731		$	—		$	572,731
Restricted cash	35,915			—			35,915
Accounts receivable, net	26,145			—			26,145
Inventory	6,142			—			6,142
Restricted assets – national advertising fund	3,418			—			3,418
Prepaid expenses	3,813			—			3,813
Other receivables	10,993			—			10,993
Other current assets	6,318			—			6,318
Total current assets	665,475			—			665,475
Property and equipment, net	97,240			—			97,240
Intangible assets, net	237,896			—			237,896
Goodwill	199,513			—			199,513
Deferred income taxes	416,707			(3,285		)	413,422
Other assets, net	4,608			—			4,608
Total assets	$	1,621,439		$	(3,285	)	$	1,618,154
Liabilities and stockholders' equity (deficit)
Current liabilities:
Current maturities of long-term debt	$	12,000		$	—		$	12,000
Accounts payable	23,400			—			23,400
Accrued expenses	26,764			1,278			28,042
Equipment deposits	11,449			—			11,449
Restricted liabilities – national advertising fund	3,418			—			3,418
Deferred revenue, current	21,959			24			21,983
Payable pursuant to tax benefit arrangements, current	25,578			—			25,578
Other current liabilities	456			—			456
Total current liabilities	125,024			1,302			126,326
Long-term debt, net of current maturities	1,161,712			—			1,161,712
Deferred rent, net of current portion	10,297			—			10,297
Deferred revenue, net of current portion	25,916			(17,591		)	8,325
Deferred tax liabilities	1,730			—			1,730
Payable pursuant to tax benefit arrangements, net of current portion	405,577			—			405,577
Other liabilities	1,331			—			1,331
Total noncurrent liabilities	1,606,563			(17,591		)	1,588,972
Stockholders' equity (deficit):
Class A common stock	9			—			9
Class B common stock	1			—			1
Accumulated other comprehensive income	256			—			256
Additional paid in capital	17,237			—			17,237
Accumulated deficit	(118,964		)	12,471			(106,493		)
Total stockholders' deficit attributable to Planet Fitness Inc.	(101,461		)	12,471			(88,990		)
Non-controlling interests	(8,687		)	533			(8,154		)
Total stockholders' deficit	(110,148		)	13,004			(97,144		)
Total liabilities and stockholders' deficit	$	1,621,439		$	(3,285	)	$	1,618,154

XML

Business Organization - Additional Information (Detail) Member in Millions	9 Months Ended
	Sep. 30, 2018 State Segment Member Store	Jun. 30, 2018 Store	Dec. 31, 2017 Store	Sep. 30, 2017 Store	Jun. 30, 2017 Store	Dec. 31, 2016 Store	Aug. 05, 2015
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of owned and franchised locations | Store	1,646	1,608	1,518	1,432	1,403	1,313
Number of states in which entity operates | State	50
Number of reportable segments | Segment	3
Pla-Fit Holdings, LLC
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Percentage of ownership	100.00%						100.00%
Percentage of economic interest	90.20%
Pla-Fit Holdings, LLC | Holdings Units
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Percentage of economic interest	9.80%
Planet Intermediate, LLC | Pla-Fit Holdings, LLC
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Percentage of ownership							100.00%
Planet Fitness Holdings, LLC | Planet Intermediate, LLC
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Percentage of ownership							100.00%
Minimum
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of members (more than) | Member	12.2

XML

Summary of Significant Accounting Policies - Summary of Company's Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Carrying value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 1,200,000	$ 709,470
Estimated fair value(1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	1,195,278	709,470
Interest rate caps | Fair Value Measurements Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate caps	0	340
Interest rate caps | Quoted prices in active markets (Level 1) | Fair Value Measurements Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate caps	0	0
Interest rate caps | Significant other observable inputs (Level 2) | Fair Value Measurements Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate caps	0	340
Interest rate caps | Significant unobservable inputs (Level 3) | Fair Value Measurements Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate caps	$ 0	$ 0

XML

Variable Interest Entities - Carrying Value of Variable Interest Entities of Consolidated Financial Statements (Detail) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Variable Interest Entity [Line Items]
Assets	$ 8,207	$ 7,780
Liabilities	0	0
PF Melville
Variable Interest Entity [Line Items]
Assets	4,695	4,420
Liabilities	0	0
MMR
Variable Interest Entity [Line Items]
Assets	3,512	3,360
Liabilities	$ 0	$ 0

XML

Variable Interest Entities - Additional Information (Detail) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net [Abstract]
Maximum obligation of guarantees of leases and debt	$ 798,000	$ 979,000
Maximum loss exposure Involvement of estimated value	$ 0

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Acquisition - Narrative (Details) $ in Thousands	Aug. 10, 2018 USD ($) Store	Jan. 01, 2018 USD ($) Store	Sep. 30, 2018 Store	Jun. 30, 2018 Store	Dec. 31, 2017 Store	Sep. 30, 2017 Store	Jun. 30, 2017 Store	Dec. 31, 2016 Store
Business Acquisition [Line Items]
Number of owned and franchised locations | Store			1,646	1,608	1,518	1,432	1,403	1,313
Colorado Acquisition
Business Acquisition [Line Items]
Number of owned and franchised locations | Store	4
Acquisition, gross cash payments	$ 17,249
Loss on reacquired franchise rights	10
Consideration transferred	$ 17,239
Long Island Acquisition
Business Acquisition [Line Items]
Number of owned and franchised locations | Store		6
Acquisition, gross cash payments		$ 28,503
Loss on reacquired franchise rights		350
Consideration transferred		$ 28,153

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Acquisition - Purchase Consideration Allocation (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Aug. 10, 2018	Jan. 01, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill	$ 199,513		$ 176,981	$ 176,981
Colorado Acquisition
Business Acquisition [Line Items]
Fixed assets		$ 3,873
Other assets		143
Goodwill		8,476
Liabilities assumed, including deferred revenues		(83)
Net assets acquired		17,239
Long Island Acquisition
Business Acquisition [Line Items]
Fixed assets			4,672
Other assets			275
Goodwill			14,056
Liabilities assumed, including deferred revenues			(310)
Net assets acquired			28,153
Reacquired franchise rights | Colorado Acquisition
Business Acquisition [Line Items]
Intangible assets		4,610
Reacquired franchise rights | Long Island Acquisition
Business Acquisition [Line Items]
Intangible assets			7,640
Customer relationships | Colorado Acquisition
Business Acquisition [Line Items]
Intangible assets		140
Customer relationships | Long Island Acquisition
Business Acquisition [Line Items]
Intangible assets			1,150
Favorable leases, net | Colorado Acquisition
Business Acquisition [Line Items]
Intangible assets		$ 80
Favorable leases, net | Long Island Acquisition
Business Acquisition [Line Items]
Intangible assets			520
Reacquired area development rights | Long Island Acquisition
Business Acquisition [Line Items]
Intangible assets			$ 150

XML

Goodwill and Intangible Assets - Summary of Goodwill and Intangible Assets (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Jan. 01, 2018
Goodwill And Intangible Assets [Line Items]
Gross carrying amount	$ 215,857	$ 201,567
Accumulated amortization	(124,261)	(112,210)
Net carrying Amount	91,596	89,357
Total intangible assets, Gross carrying amount	362,157	347,867
Total intangible assets, Net carrying Amount	237,896	235,657	$ 235,657
Goodwill, gross carrying amount	199,513	176,981
Goodwill	199,513	176,981	$ 176,981
Trade and brand names
Goodwill And Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 146,300	$ 146,300
Customer relationships
Goodwill And Intangible Assets [Line Items]
Weighted average amortization period (years)	11 years	11 years 1 month 6 days
Gross carrying amount	$ 173,063	$ 171,782
Accumulated amortization	(96,201)	(86,501)
Net carrying Amount	$ 76,862	$ 85,281
Noncompete agreements
Goodwill And Intangible Assets [Line Items]
Weighted average amortization period (years)	5 years	5 years
Gross carrying amount	$ 14,500	$ 14,500
Accumulated amortization	(14,500)	(14,500)
Net carrying Amount	$ 0	$ 0
Favorable leases
Goodwill And Intangible Assets [Line Items]
Weighted average amortization period (years)	7 years 7 months 6 days	7 years 6 months
Gross carrying amount	$ 3,545	$ 2,935
Accumulated amortization	(2,248)	(1,972)
Net carrying Amount	$ 1,297	$ 963
Order backlog
Goodwill And Intangible Assets [Line Items]
Weighted average amortization period (years)	4 months 24 days	4 months 24 days
Gross carrying amount	$ 3,400	$ 3,400
Accumulated amortization	(3,400)	(3,400)
Net carrying Amount	$ 0	$ 0
Reacquired franchise rights
Goodwill And Intangible Assets [Line Items]
Weighted average amortization period (years)	7 years 1 month	5 years 9 months 18 days
Gross carrying amount	$ 21,199	$ 8,950
Accumulated amortization	(7,890)	(5,837)
Net carrying Amount	$ 13,309	$ 3,113
Reacquired ADA rights
Goodwill And Intangible Assets [Line Items]
Weighted average amortization period (years)	5 years
Gross carrying amount	$ 150
Accumulated amortization	(22)
Net carrying Amount	$ 128

XML

Goodwill and Intangible Assets - Additional Information (Detail)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018 USD ($) Store	Sep. 30, 2017 USD ($) Store	Sep. 30, 2018 USD ($) Store	Sep. 30, 2017 USD ($) Store	Dec. 31, 2017 USD ($) Store	Aug. 10, 2018 Store	Jun. 30, 2018 Store	Jan. 01, 2018 Store	Jun. 30, 2017 Store	Dec. 31, 2016 Store
Goodwill And Intangible Assets [Line Items]
Impairment charges | $			$ 0		$ 0
Number of owned and franchised locations | Store	1,646	1,432	1,646	1,432	1,518		1,608		1,403	1,313
Amortization of intangible assets | $	$ 4,027,000	$ 4,697,000	$ 12,052,000	$ 14,122,000
Favorable and Unfavorable Leases
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets | $	$ 93,000	$ 75,000	$ 276,000	$ 255,000
Long Island Acquisition
Goodwill And Intangible Assets [Line Items]
Number of owned and franchised locations | Store								6
Colorado Acquisition
Goodwill And Intangible Assets [Line Items]
Number of owned and franchised locations | Store						4

XML

Goodwill and Intangible Assets - Summary of Amortization expenses (Detail) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Remainder of 2018	$ 4,026
2019	16,111
2020	14,260
2021	14,234
2022	14,426
Thereafter	28,539
Net carrying Amount	$ 91,596	$ 89,357

XML

Long-Term Debt - Schedule of Long-Term Debt (Detail) - USD ($) $ in Thousands	Sep. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Total debt, excluding deferred financing costs	$ 1,200,000		$ 709,470
Deferred financing costs, net of accumulated amortization	(26,288)		(5,709)
Total debt	1,173,712		703,761
Current portion of long-term debt and line of credit	12,000	$ 7,185	7,185
Long-term debt, net of current maturities	1,161,712	$ 696,576	696,576
Class A-2-I notes | Senior fixed-rate term notes
Debt Instrument [Line Items]
Total debt, excluding deferred financing costs	575,000		0
Class A-2-II notes | Senior fixed-rate term notes
Debt Instrument [Line Items]
Total debt, excluding deferred financing costs	625,000		0
Term loan B, repaid August 2018 | Term Loan B
Debt Instrument [Line Items]
Total debt, excluding deferred financing costs	$ 0		$ 709,470

XML

Long-Term Debt - Schedule of Future Annual Payments of Long-term Debt (Detail) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Debt Disclosure [Abstract]
Remainder of 2018	$ 3,000
2019	12,000
2020	12,000
2021	12,000
2022	562,563
Thereafter	598,437
Total	$ 1,200,000	$ 709,470

XML

Long-Term Debt - Narrative (Details)		1 Months Ended	9 Months Ended
	Aug. 01, 2018 USD ($) extension	Sep. 30, 2023	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Debt issuance costs incurred	$ 27,191,000
Restricted cash			$ 35,915,000		$ 0
Loss on extinguishment of debt			$ 4,570,000	$ 79,000
Interest rate caps | Cash Flow Hedging
Debt Instrument [Line Items]
Derivative liability, notional amount	219,837,000
Variable funding notes | Revolving Financing Facility
Debt Instrument [Line Items]
Debt face amount	$ 75,000,000
Commitment fee percentage	0.50%
Number of additional extensions | extension	2
Term of extension	1 year
Variable funding notes | Revolving Financing Facility | Scenario, Forecast
Debt Instrument [Line Items]
Line of credit interest rate		5.00%
Class A-2-I notes | Senior fixed-rate term notes
Debt Instrument [Line Items]
Fixed interest rate	4.262%
Debt face amount	$ 575,000,000
Class A-2-II notes | Senior fixed-rate term notes
Debt Instrument [Line Items]
Fixed interest rate	4.666%
Debt face amount	$ 625,000,000

XML

Derivative Instruments and Hedging Activities - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Aug. 01, 2018	Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Unrealized gain on interest rate caps, net of tax	$ 606	$ 374	$ 989	$ 730
Interest rate caps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest rate caps	$ 0		$ 0			$ 340
Unrealized gain on interest rate caps, net of tax		356		730
Unrealized gain on interest rate caps, tax		$ 145		$ 344
LIBOR | Interest rate caps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, basis spread over variable rate (greater than)					2.50%

XML

Related Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Jan. 01, 2018	Dec. 31, 2017
Related Party Transaction [Line Items]
Due from related parties, current portion	$ 0		$ 0		$ 3,020	$ 3,020
Liability payable under tax benefit obligations	52,521		52,521			44,794
Planet Fitness NAF, LLC
Related Party Transaction [Line Items]
Administrative fees charged	676	$ 643	1,872	$ 1,645
Area Development Agreements
Related Party Transaction [Line Items]
Deferred area development revenue from related parties	$ 817		$ 817			$ 389

XML

Related Party Transactions - Schedule of Related Party Transactions (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Related Party Transaction [Line Items]
Total revenue from related parties	$ 2,369	$ 348	$ 4,235	$ 1,751
Franchise revenue
Related Party Transaction [Line Items]
Total revenue from related parties	897	344	2,453	1,174
Equipment revenue
Related Party Transaction [Line Items]
Total revenue from related parties	$ 1,472	$ 4	$ 1,782	$ 577

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Stockholder's Equity - Additional Information (Detail) - USD ($)	9 Months Ended
	Sep. 30, 2018	Aug. 03, 2018	Dec. 31, 2017
Class of Stock [Line Items]
Stock repurchase program, authorized amount		$ 500,000,000
Shares repurchased	$ 42,090,000
Pla-Fit Holdings, LLC
Class of Stock [Line Items]
Number of shares exchanged	1,640,020
Holdings Units
Class of Stock [Line Items]
Number of shares exchanged	1,640,020
Investor | Secondary Offering and Exchange
Class of Stock [Line Items]
Common stock, shares outstanding	88,084,736
Investor | Pla-Fit Holdings, LLC | Secondary Offering and Exchange
Class of Stock [Line Items]
Percentage of economic interest	90.20%
Continuing LLC Owners | Secondary Offering and Exchange
Class of Stock [Line Items]
Number of units held by owners (in shares)	9,543,730
Continuing LLC Owners | Pla-Fit Holdings, LLC | Secondary Offering and Exchange
Class of Stock [Line Items]
Percentage of economic interest	9.80%
Holdings Units
Class of Stock [Line Items]
Shares exchanged for Class A common stock	1
Class A Common Stock
Class of Stock [Line Items]
Number of shares exchanged	1,640,020
Share repurchased (in shares)	824,312
Shares repurchased	$ 42,090,000
Common stock, shares outstanding	88,085,000		87,188,000
Class A Common Stock | Investor | Secondary Offering and Exchange
Class of Stock [Line Items]
Common stock, shares outstanding	88,084,736
Class A Common Stock | Investor | Pla-Fit Holdings, LLC | Secondary Offering and Exchange
Class of Stock [Line Items]
Percentage of voting interests acquired	90.20%
Class B Common Stock
Class of Stock [Line Items]
Shares exchanged for Class A common stock	1
Number of shares exchanged	1,640,020
Common stock, shares outstanding	9,544,000		11,193,000
Class B Common Stock | Continuing LLC Owners | Secondary Offering and Exchange
Class of Stock [Line Items]
Number of units held by owners (in shares)	9,543,730
Class B Common Stock | Continuing LLC Owners | Pla-Fit Holdings, LLC | Secondary Offering and Exchange
Class of Stock [Line Items]
Percentage of voting interests acquired	9.80%

XML

Earnings Per Share - Additional Information (Detail) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Stock Options
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Anti-dilutive securities excluded from the calculation of earnings per share	36,342	466,278	114,628	423,870
Restricted Stock Units
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Anti-dilutive securities excluded from the calculation of earnings per share	0	2,924	11,245	985
Holdings Units
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares exchanged for Class A common stock			1
Class B Common Stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares exchanged for Class A common stock			1
Class B Common Stock | Equity Unit Purchase Agreements
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Anti-dilutive securities excluded from the calculation of earnings per share	10,004,682	12,693,076	10,550,857	22,010,095

XML

Earnings Per Share - Reconciliation of Numerators and Denominators Used to Compute Basic and Diluted Earnings per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Numerator
Net income	$ 20,472	$ 18,902	$ 74,384	$ 54,772
Less: net income attributable to non-controlling interests	3,001	3,557	11,158	18,173
Net income attributable to Planet Fitness, Inc.	$ 17,471	$ 15,345	$ 63,226	$ 36,599
Stock Options
Effect of dilutive securities:
Weighted-average shares outstanding adjustment (in shares)	382,499	66,610	319,610	38,524
Restricted Stock Units
Effect of dilutive securities:
Weighted-average shares outstanding adjustment (in shares)	27,904	5,196	17,141	5,018
Class A Common Stock
Denominator
Weighted-average shares of Class A common stock outstanding - basic (in shares)	88,047,401	85,662,650	87,727,300	76,391,277
Effect of dilutive securities:
Weighted-average shares of Class A common stock outstanding - diluted (in shares)	88,457,804	85,734,456	88,064,051	76,434,819
Earnings per share of Class A common stock - basic (in dollars per share)	$ 0.20	$ 0.18	$ 0.72	$ 0.48
Earnings per share of Class A common stock - diluted (in dollars per share)	$ 0.20	$ 0.18	$ 0.72	$ 0.48

XML

Income Taxes - Additional information (Detail) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017	Sep. 30, 2018 USD ($) Agreement shares	Sep. 30, 2017	Dec. 31, 2017 USD ($)
Tax Credit Carryforward [Line Items]
Effective income tax rate	26.00%	25.70%	23.90%	30.40%
Net deferred tax assets	$ 414,977		$ 414,977		$ 406,153
Total liability related to uncertain tax positions	300		300		2,608
Income tax examination, estimate of possible loss	2,625
Uncertain tax position reserve	2,967		2,967
Uncertain tax position indemnification assets	(2,967)		$ (2,967)
Release of uncertain tax position reserve	$ 342
Number of tax receivable agreements | Agreement			2
Applicable tax savings	85.00%		85.00%
Percentage of remaining tax savings			15.00%
Tax benefit obligation	$ 431,155		$ 431,155		$ 431,360
TRA Holders
Tax Credit Carryforward [Line Items]
Decrease in deferred tax assets			921
Deferred tax asset	25,559		25,559
Deferred tax liability	21,852		$ 21,852
Class A Common Stock
Tax Credit Carryforward [Line Items]
Number of shares exchanged | shares			1,640,020
Class A Common Stock | TRA Holders
Tax Credit Carryforward [Line Items]
Number of shares exchanged | shares			1,640,020
Other Expense
Tax Credit Carryforward [Line Items]
Release of indemnification asset	$ 342

XML

Income Taxes - Schedule of Future Payments Under Tax Benefit Arrangements (Detail) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Remainder of 2018	$ 8,764
2019	24,447
2020	24,899
2021	25,323
2022	25,812
Thereafter	321,910
Total	$ 431,155	$ 431,360

XML

Segments - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) Segment	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | Segment			3
Number of operating segments | Segment			0
Revenue	$ 136,656,000	$ 97,496,000	$ 398,538,000	$ 295,914,000
Franchise revenue
Segment Reporting Information [Line Items]
Revenue	54,822,000	35,562,000	167,584,000	110,153,000
Franchise revenue | Placement Services
Segment Reporting Information [Line Items]
Revenue	2,518,000	2,433,000	7,694,000	7,410,000
Corporate-owned Stores
Segment Reporting Information [Line Items]
Revenue	35,406,000	$ 28,560,000	102,365,000	$ 83,886,000
Corporate-owned Stores | Canada
Segment Reporting Information [Line Items]
Long-lived assets	$ 2,102,000		2,102,000		$ 2,558,000
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenue			$ 0

XML

Segments - Summary of Financial Information for the Company's Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Revenue	$ 136,656	$ 97,496	$ 398,538	$ 295,914
Total Segment EBITDA	52,409	42,499	156,911	129,398
Corporate And Other Non Segment
Segment Reporting Information [Line Items]
Total Segment EBITDA	(9,599)	(7,155)	(27,576)	(24,212)
Franchise revenue
Segment Reporting Information [Line Items]
Revenue	54,822	35,562	167,584	110,153
Franchise revenue | Operating Segments
Segment Reporting Information [Line Items]
Total Segment EBITDA	37,075	29,925	113,793	94,444
Franchise revenue | US
Segment Reporting Information [Line Items]
Revenue	53,528	35,025	164,225	108,470
Franchise revenue | International
Segment Reporting Information [Line Items]
Revenue	1,294	537	3,359	1,683
Corporate-owned Stores
Segment Reporting Information [Line Items]
Revenue	35,406	28,560	102,365	83,886
Corporate-owned Stores | Operating Segments
Segment Reporting Information [Line Items]
Total Segment EBITDA	15,279	12,046	42,115	35,579
Corporate-owned Stores | US
Segment Reporting Information [Line Items]
Revenue	34,323	27,414	99,020	80,597
Corporate-owned Stores | International
Segment Reporting Information [Line Items]
Revenue	1,083	1,146	3,345	3,289
Equipment revenue
Segment Reporting Information [Line Items]
Revenue	46,428	33,374	128,589	101,875
Equipment revenue | Operating Segments
Segment Reporting Information [Line Items]
Total Segment EBITDA	9,654	7,683	28,579	23,587
Equipment revenue | US
Segment Reporting Information [Line Items]
Revenue	$ 46,428	$ 33,374	$ 128,589	$ 101,875

XML

Segments - Reconciliation of Total Segment EBITDA to Income Before Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting [Abstract]
Total Segment EBITDA	$ 52,409	$ 42,499	$ 156,911	$ 129,398
Depreciation and amortization	8,863	8,137	25,947	23,982
Other expense	(27)	408	(338)	157
Income from operations	43,573	33,954	131,302	105,259
Interest income	2,025	18	2,480	24
Interest expense	(17,909)	(8,938)	(35,725)	(26,735)
Income before income taxes	$ 27,662	$ 25,442	$ 97,719	$ 78,705

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Segments - Summary of Company's Assets by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Jan. 01, 2018	Dec. 31, 2017
Segment Reporting, Asset Reconciling Item [Line Items]
Revenue	$ 136,656	$ 97,496	$ 398,538	$ 295,914
Total consolidated assets	1,621,439		1,621,439		$ 1,095,750	$ 1,092,465
Franchise revenue
Segment Reporting, Asset Reconciling Item [Line Items]
Revenue	54,822	35,562	167,584	110,153
Corporate-owned Stores
Segment Reporting, Asset Reconciling Item [Line Items]
Revenue	35,406	28,560	102,365	83,886
Equipment revenue
Segment Reporting, Asset Reconciling Item [Line Items]
Revenue	46,428	$ 33,374	128,589	$ 101,875
Operating Segments | Franchise revenue
Segment Reporting, Asset Reconciling Item [Line Items]
Total consolidated assets	186,416		186,416			243,348
Operating Segments | Corporate-owned Stores
Segment Reporting, Asset Reconciling Item [Line Items]
Total consolidated assets	228,607		228,607			167,367
Operating Segments | Equipment revenue
Segment Reporting, Asset Reconciling Item [Line Items]
Total consolidated assets	204,592		204,592			206,632
Unallocated
Segment Reporting, Asset Reconciling Item [Line Items]
Total consolidated assets	$ 1,001,824		$ 1,001,824			$ 475,118

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Segments - Summary of Company's Goodwill by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Jan. 01, 2018	Dec. 31, 2017
Segment Reporting, Other Significant Reconciling Item [Line Items]
Revenue	$ 136,656	$ 97,496	$ 398,538	$ 295,914
Goodwill, net carrying amount	199,513		199,513		$ 176,981	$ 176,981
Franchise revenue
Segment Reporting, Other Significant Reconciling Item [Line Items]
Revenue	54,822	35,562	167,584	110,153
Goodwill, net carrying amount	16,938		16,938			16,938
Corporate-owned Stores
Segment Reporting, Other Significant Reconciling Item [Line Items]
Revenue	35,406	28,560	102,365	83,886
Goodwill, net carrying amount	89,909		89,909			67,377
Equipment revenue
Segment Reporting, Other Significant Reconciling Item [Line Items]
Revenue	46,428	$ 33,374	128,589	$ 101,875
Goodwill, net carrying amount	$ 92,666		$ 92,666			$ 92,666

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Corporate-Owned and Franchisee-Owned Stores - Schedule of Changes in Corporate-owned and Franchisee-owned Stores (Detail) - Store	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Number Of Stores [Roll Forward]
Stores operated at beginning of period	1,608	1,403	1,518	1,313
New stores opened	41	31	132	122
Stores acquired, debranded, sold or consolidated	(3)	(2)	(4)	(3)
Stores operated at end of period	1,646	1,432	1,646	1,432
Franchisee-Owned Stores
Number Of Stores [Roll Forward]
Stores operated at beginning of period	1,540	1,345	1,456	1,255
New stores opened	40	31	131	122
Stores acquired, debranded, sold or consolidated	(7)	(2)	(14)	(3)
Stores operated at end of period	1,573	1,374	1,573	1,374
Corporate-Owned Stores
Number Of Stores [Roll Forward]
Stores operated at beginning of period	68	58	62	58
New stores opened	1	0	1	0
Stores acquired from franchisees	4	0	10	0
Stores operated at end of period	73	58	73	58

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Revenue recognition - Narrative (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total stockholders' deficit	$ 110,148	$ 146,129	$ 136,937
Membership life, estimated duration	2 years
Membership period	12 months
Deferred revenue	$ 47,875		40,000
Deferred income taxes	416,707	$ 411,067	407,782
Total adjustments | Accounting Standards Update 2014-09
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total stockholders' deficit	(13,004)		9,192
Deferred revenue			12,477
Deferred income taxes	$ (3,285)		$ 3,285

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Revenue recognition - Schedule of Contract Liabilities (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($)
Contract liabilities
Beginning Balance	$ 40,000
Revenue recognized that was included in the contract liability at the beginning of the year	(18,866)
Increase, excluding amounts recognized as revenue during the period	26,741
Ending Balance	$ 47,875

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Revenue recognition - Remaining Performance Obligation (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($)
Revenue from Contract with Customer [Abstract]
Remaining performance obligation	$ 47,875
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-04-01
Revenue from Contract with Customer [Abstract]
Remaining performance obligation	$ 11,369
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, expected timing of satisfaction	3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-01-01
Revenue from Contract with Customer [Abstract]
Remaining performance obligation	$ 11,351
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, expected timing of satisfaction	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01
Revenue from Contract with Customer [Abstract]
Remaining performance obligation	$ 2,515
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, expected timing of satisfaction	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Revenue from Contract with Customer [Abstract]
Remaining performance obligation	$ 2,275
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, expected timing of satisfaction	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Revenue from Contract with Customer [Abstract]
Remaining performance obligation	$ 2,127
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, expected timing of satisfaction	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue from Contract with Customer [Abstract]
Remaining performance obligation	$ 18,238
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, expected timing of satisfaction

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Revenue recognition - Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 572,731	$ 113,080	$ 113,080
Restricted cash	35,915		0
Accounts receivable, net	26,145	37,272	37,272
Due from related parties	0	3,020	3,020
Inventory	6,142	2,692	2,692
Restricted assets – national advertising fund	3,418	499	499
Prepaid expenses	3,813	3,929	3,929
Other receivables	10,993	9,562	9,562
Other current assets	6,318	6,947	6,947
Total current assets	665,475	177,001	177,001
Property and equipment, net	97,240	83,327	83,327
Intangible assets, net	237,896	235,657	235,657
Goodwill	199,513	176,981	176,981
Deferred income taxes	416,707	411,067	407,782
Other assets, net	4,608	11,717	11,717
Total assets	1,621,439	1,095,750	1,092,465
Current liabilities:
Current maturities of long-term debt	12,000	7,185	7,185
Accounts payable	23,400	28,648	28,648
Accrued expenses	26,764	18,590	18,590
Equipment deposits	11,449	6,498	6,498
Restricted liabilities – national advertising fund	3,418	490	490
Deferred revenue, current	21,959	18,319	19,083
Payable pursuant to tax benefit arrangements, current	25,578	31,062	31,062
Other current liabilities	456	474	474
Total current liabilities	125,024	111,266	112,030
Long-term debt, net of current maturities	1,161,712	696,576	696,576
Deferred rent, net of current portion	10,297	6,127	6,127
Deferred revenue, net of current portion	25,916	21,681	8,440
Deferred tax liabilities	1,730	1,629	1,629
Payable pursuant to tax benefit arrangements, net of current portion	405,577	400,298	400,298
Other liabilities	1,331	4,302	4,302
Total noncurrent liabilities	1,606,563	1,130,613	1,117,372
Stockholders' equity (deficit):
Accumulated other comprehensive loss	256	(648)	(648)
Additional paid in capital	17,237	12,118	12,118
Accumulated deficit	(118,964)	(140,158)	(130,966)
Total stockholders' deficit attributable to Planet Fitness Inc.	(101,461)	(128,678)	(119,486)
Non-controlling interests	(8,687)	(17,451)	(17,451)
Total stockholders' deficit	(110,148)	(146,129)	(136,937)
Total liabilities and stockholders' deficit	1,621,439	1,095,750	1,092,465
Class A Common Stock
Stockholders' equity (deficit):
Common stock, value	9	9	9
Class B Common Stock
Stockholders' equity (deficit):
Common stock, value	1	$ 1	1
Calculated under Revenue Guidance in Effect before Topic 606
Current assets:
Cash and cash equivalents	572,731		113,080
Restricted cash	35,915
Accounts receivable, net	26,145		37,272
Due from related parties			3,020
Inventory	6,142		2,692
Restricted assets – national advertising fund	3,418		499
Prepaid expenses	3,813		3,929
Other receivables	10,993		9,562
Other current assets	6,318		6,947
Total current assets	665,475		177,001
Property and equipment, net	97,240		83,327
Intangible assets, net	237,896		235,657
Goodwill	199,513		176,981
Deferred income taxes	413,422		407,782
Other assets, net	4,608		11,717
Total assets	1,618,154		1,092,465
Current liabilities:
Current maturities of long-term debt	12,000		7,185
Accounts payable	23,400		28,648
Accrued expenses	28,042		18,590
Equipment deposits	11,449		6,498
Restricted liabilities – national advertising fund	3,418		490
Deferred revenue, current	21,983		19,083
Payable pursuant to tax benefit arrangements, current	25,578		31,062
Other current liabilities	456		474
Total current liabilities	126,326		112,030
Long-term debt, net of current maturities	1,161,712		696,576
Deferred rent, net of current portion	10,297		6,127
Deferred revenue, net of current portion	8,325		8,440
Deferred tax liabilities	1,730		1,629
Payable pursuant to tax benefit arrangements, net of current portion	405,577		400,298
Other liabilities	1,331		4,302
Total noncurrent liabilities	1,588,972		1,117,372
Stockholders' equity (deficit):
Accumulated other comprehensive loss	256		(648)
Additional paid in capital	17,237		12,118
Accumulated deficit	(106,493)		(130,966)
Total stockholders' deficit attributable to Planet Fitness Inc.	(88,990)		(119,486)
Non-controlling interests	(8,154)		(17,451)
Total stockholders' deficit	(97,144)		(136,937)
Total liabilities and stockholders' deficit	1,618,154		1,092,465
Calculated under Revenue Guidance in Effect before Topic 606 | Class A Common Stock
Stockholders' equity (deficit):
Common stock, value	9		9
Calculated under Revenue Guidance in Effect before Topic 606 | Class B Common Stock
Stockholders' equity (deficit):
Common stock, value	1		1
Total adjustments | Accounting Standards Update 2014-09
Current assets:
Cash and cash equivalents	0		0
Restricted cash	0
Accounts receivable, net	0		0
Due from related parties			0
Inventory	0		0
Restricted assets – national advertising fund	0		0
Prepaid expenses	0		0
Other receivables	0		0
Other current assets	0		0
Total current assets	0		0
Property and equipment, net	0		0
Intangible assets, net	0		0
Goodwill	0		0
Deferred income taxes	(3,285)		3,285
Other assets, net	0		0
Total assets	(3,285)		3,285
Current liabilities:
Current maturities of long-term debt	0		0
Accounts payable	0		0
Accrued expenses	1,278		0
Equipment deposits	0		0
Restricted liabilities – national advertising fund	0		0
Deferred revenue, current	24		(764)
Payable pursuant to tax benefit arrangements, current	0		0
Other current liabilities	0		0
Total current liabilities	1,302		(764)
Long-term debt, net of current maturities	0		0
Deferred rent, net of current portion	0		0
Deferred revenue, net of current portion	(17,591)		13,241
Deferred tax liabilities	0		0
Payable pursuant to tax benefit arrangements, net of current portion	0		0
Other liabilities	0		0
Total noncurrent liabilities	(17,591)		13,241
Stockholders' equity (deficit):
Accumulated other comprehensive loss	0		0
Additional paid in capital	0		0
Accumulated deficit	12,471		(9,192)
Total stockholders' deficit attributable to Planet Fitness Inc.	12,471		(9,192)
Non-controlling interests	533		0
Total stockholders' deficit	13,004		(9,192)
Total liabilities and stockholders' deficit	(3,285)		3,285
Total adjustments | Accounting Standards Update 2014-09 | Class A Common Stock
Stockholders' equity (deficit):
Common stock, value	0		0
Total adjustments | Accounting Standards Update 2014-09 | Class B Common Stock
Stockholders' equity (deficit):
Common stock, value	$ 0		$ 0

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Revenue recognition - Income Statement (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue:
Revenue	$ 136,656	$ 97,496	$ 398,538	$ 295,914
Operating costs and expenses:
Cost of revenue	36,871	25,819	100,114	78,395
Store operations	18,751	15,551	55,154	45,339
Selling, general and administrative	17,233	14,071	52,066	42,659
National advertising fund expense	11,377	0	32,997	0
Depreciation and amortization	8,863	8,137	25,947	23,982
Other loss (gain)	(12)	(36)	958	280
Total operating costs and expenses	93,083	63,542	267,236	190,655
Income from operations	43,573	33,954	131,302	105,259
Other expense, net:
Interest income	2,025	18	2,480	24
Interest expense	(17,909)	(8,938)	(35,725)	(26,735)
Other income (expense)	(27)	408	(338)	157
Total other expense, net	(15,911)	(8,512)	(33,583)	(26,554)
Income before income taxes	27,662	25,442	97,719	78,705
Provision for income taxes	7,190	6,540	23,335	23,933
Net income	20,472	18,902	74,384	54,772
Less net income attributable to non-controlling interests	3,001	3,557	11,158	18,173
Net income attributable to Planet Fitness, Inc.	$ 17,471	$ 15,345	$ 63,226	$ 36,599
Class A Common Stock
Net income per share of Class A common stock:
Basic (in dollars per share)	$ 0.20	$ 0.18	$ 0.72	$ 0.48
Diluted (in dollars per share)	$ 0.20	$ 0.18	$ 0.72	$ 0.48
Total adjustments | Accounting Standards Update 2014-09
Revenue:
Revenue	$ (8,891)		$ (27,984)
Operating costs and expenses:
Cost of revenue	0		0
Store operations	0		0
Selling, general and administrative	0		0
National advertising fund expense	(11,377)		(32,997)
Depreciation and amortization	0		0
Other loss (gain)	0		0
Total operating costs and expenses	(11,377)		(32,997)
Income from operations	2,486		5,013
Other expense, net:
Interest income	0		0
Interest expense	0		0
Other income (expense)	0		0
Total other expense, net	0		0
Income before income taxes	2,486		5,013
Provision for income taxes	654		1,278
Net income	1,832		3,735
Less net income attributable to non-controlling interests	254		533
Net income attributable to Planet Fitness, Inc.	1,578		3,202
Calculated under Revenue Guidance in Effect before Topic 606
Revenue:
Revenue	127,765		370,554
Operating costs and expenses:
Cost of revenue	36,871		100,114
Store operations	18,751		55,154
Selling, general and administrative	17,233		52,066
National advertising fund expense	0		0
Depreciation and amortization	8,863		25,947
Other loss (gain)	(12)		958
Total operating costs and expenses	81,706		234,239
Income from operations	46,059		136,315
Other expense, net:
Interest income	2,025		2,480
Interest expense	(17,909)		(35,725)
Other income (expense)	(27)		(338)
Total other expense, net	(15,911)		(33,583)
Income before income taxes	30,148		102,732
Provision for income taxes	7,844		24,613
Net income	22,304		78,119
Less net income attributable to non-controlling interests	3,255		11,691
Net income attributable to Planet Fitness, Inc.	$ 19,049		$ 66,428
Calculated under Revenue Guidance in Effect before Topic 606 | Class A Common Stock
Net income per share of Class A common stock:
Basic (in dollars per share)	$ 0.22		$ 0.76
Diluted (in dollars per share)	$ 0.22		$ 0.75
Franchise
Revenue:
Revenue	$ 41,997	$ 31,413	$ 129,575	$ 94,485
Franchise | Total adjustments | Accounting Standards Update 2014-09
Revenue:
Revenue	2,486		5,013
Franchise | Calculated under Revenue Guidance in Effect before Topic 606
Revenue:
Revenue	44,483		134,588
Commission income
Revenue:
Revenue	1,448	4,149	5,012	15,668
Commission income | Total adjustments | Accounting Standards Update 2014-09
Revenue:
Revenue	0		0
Commission income | Calculated under Revenue Guidance in Effect before Topic 606
Revenue:
Revenue	1,448		5,012
National advertising fund revenue
Revenue:
Revenue	11,377	0	32,997	0
National advertising fund revenue | Total adjustments | Accounting Standards Update 2014-09
Revenue:
Revenue	(11,377)		(32,997)
National advertising fund revenue | Calculated under Revenue Guidance in Effect before Topic 606
Revenue:
Revenue	0		0
Corporate-owned stores
Revenue:
Revenue	35,406	28,560	102,365	83,886
Corporate-owned stores | Total adjustments | Accounting Standards Update 2014-09
Revenue:
Revenue	0		0
Corporate-owned stores | Calculated under Revenue Guidance in Effect before Topic 606
Revenue:
Revenue	35,406		102,365
Equipment
Revenue:
Revenue	46,428	$ 33,374	128,589	$ 101,875
Equipment | Total adjustments | Accounting Standards Update 2014-09
Revenue:
Revenue	0		0
Equipment | Calculated under Revenue Guidance in Effect before Topic 606
Revenue:
Revenue	$ 46,428		$ 128,589

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Revenue recognition - Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income	$ 20,472	$ 18,902	$ 74,384	$ 54,772
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,863	$ 8,137	25,947	23,982
Amortization of deferred financing costs			2,041	1,439
Amortization of favorable leases and asset retirement obligations			280	260
Amortization of interest rate caps			1,170	1,552
Deferred tax expense			19,654	21,344
Loss on extinguishment of debt			4,570	79
Gain on re-measurement of tax benefit arrangement			(354)	(541)
Provision for bad debts			8	44
Loss on reacquired franchise rights			360	0
Loss on disposal of property and equipment			542	(357)
Equity-based compensation			4,137	1,800
Changes in operating assets and liabilities, excluding effects of acquisitions:
Accounts receivable			10,922	11,099
Due to and due from related parties			3,174	(580)
Inventory			(3,450)	1,253
Other assets and other current assets			4,972	(2,413)
National advertising fund			0
Accounts payable and accrued expenses			2,426	(16,985)
Other liabilities and other current liabilities			(2,869)	(724)
Income taxes			1,028	(1,462)
Payable to related parties pursuant to tax benefit arrangements			(21,706)	(7,909)
Equipment deposits			4,950	5,951
Deferred revenue			7,544	(958)
Deferred rent			4,156	361
Net cash provided by operating activities			143,886	$ 93,028
Total adjustments | Accounting Standards Update 2014-09
Cash flows from operating activities:
Net income	1,832		3,735
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	0		0
Amortization of deferred financing costs			0
Amortization of favorable leases and asset retirement obligations			0
Amortization of interest rate caps			0
Deferred tax expense			0
Loss on extinguishment of debt			0
Gain on re-measurement of tax benefit arrangement			0
Provision for bad debts			0
Loss on reacquired franchise rights			0
Loss on disposal of property and equipment			0
Equity-based compensation			0
Changes in operating assets and liabilities, excluding effects of acquisitions:
Accounts receivable			0
Due to and due from related parties			0
Inventory			0
Other assets and other current assets			0
National advertising fund			0
Accounts payable and accrued expenses			0
Other liabilities and other current liabilities			0
Income taxes			1,278
Payable to related parties pursuant to tax benefit arrangements			0
Equipment deposits			0
Deferred revenue			(5,013)
Deferred rent			0
Net cash provided by operating activities			0
Calculated under Revenue Guidance in Effect before Topic 606
Cash flows from operating activities:
Net income	22,304		78,119
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	$ 8,863		25,947
Amortization of deferred financing costs			2,041
Amortization of favorable leases and asset retirement obligations			280
Amortization of interest rate caps			1,170
Deferred tax expense			19,654
Loss on extinguishment of debt			4,570
Gain on re-measurement of tax benefit arrangement			(354)
Provision for bad debts			8
Loss on reacquired franchise rights			360
Loss on disposal of property and equipment			542
Equity-based compensation			4,137
Changes in operating assets and liabilities, excluding effects of acquisitions:
Accounts receivable			10,922
Due to and due from related parties			3,174
Inventory			(3,450)
Other assets and other current assets			4,972
National advertising fund			0
Accounts payable and accrued expenses			2,426
Other liabilities and other current liabilities			(2,869)
Income taxes			2,306
Payable to related parties pursuant to tax benefit arrangements			(21,706)
Equipment deposits			4,950
Deferred revenue			2,531
Deferred rent			4,156
Net cash provided by operating activities			$ 143,886