Cash Proceeds From Sale Of Assets Commitment Period

No definition available.

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- Definition

Cash Proceeds From Sale Of Assets Reinvestment Period

+ References

No definition available.

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- Definition

Debt instrument floor interest rate.

+ References

No definition available.

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- Definition

Debt instrument Step down margin percentage.

+ References

No definition available.

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- Definition

Debt instrument step down percentage.

+ References

No definition available.

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- Definition

Debt issuance cost net of amortization.

+ References

No definition available.

+ Details

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- Definition

Debt issuance costs incurred.

+ References

No definition available.

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- Definition

Excluded Maximum Letters Of Credit For First Lien Net Leverage Calculation

+ References

No definition available.

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- Definition

Federal funds effective rate description.

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No definition available.

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- Definition

Line Of Credit Facility Additional Available Borrowing Capacity

+ References

No definition available.

+ Details

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- Definition

Line of credit facility fee percentage.

+ References

No definition available.

+ Details

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- Definition

Line Of Credit Facility Leverage Ratio

+ References

No definition available.

+ Details

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- Definition

Line of credit maturity year.

+ References

No definition available.

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- Definition

Percentage Guaranteed Of Equity Interest

+ References

No definition available.

+ Details

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- Definition

Percentage Net Cash Proceeds Of Asset Sales Subject To Debt Mandatory Prepayments

+ References

No definition available.

+ Details

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- Definition

Percentage of amortization of principal amount of term loan facility.

+ References

No definition available.

+ Details

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- Definition

Percentage Of Prepayment Requirement Of Proceeds From Incurrence Of Debt

+ References

No definition available.

+ Details

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- Definition

Step down commitment fee percentage.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Step Down Percentage Of Excess Cash Flow Debt Mandatory Prepayments Subject To Leverage Ratio

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

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- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

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Long-Term Debt - Additional Information (Detail)				12 Months Ended
Long-Term Debt - Additional Information (Detail)	Jul. 31, 2015	Mar. 02, 2015	Apr. 14, 2014 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2014 USD ($)
Debt Instrument [Line Items]
Gain (loss) on Extinguishment of Debt						$ (2,030,000)
Debt issuance costs				$ 28,700,000
Debt issuance cost net				$ 14,400,000	$ 18,500,000
Commitment fee rate			25.00%
Voting Stock [Member]
Debt Instrument [Line Items]
Percentage of capital stock			65.00%
Nonvoting Stock [Member]
Debt Instrument [Line Items]
Percentage of capital stock			100.00%
Minimum [Member] \| Step-down One [Member]
Debt Instrument [Line Items]
First lien net leverage ratio			1.00
Minimum [Member] \| Step-down Two [Member]
Debt Instrument [Line Items]
First lien net leverage ratio			1.00
Senior Secured Term Loan Facility [Member]
Debt Instrument [Line Items]
Senior secured credit facility			$ 2,100,000,000
Line of credit facility maturity year			2021
First lien net leverage ratio	4.50		4.50
First lien net leverage ratio, description				First lien net leverage ratio of less than or equal to 4.50 to 1.00
Debt, interest rate terms				A rate equal to a margin over either (a) a base rate determined by reference to the highest of (1) the JPM prime lending rate, (2) the Federal Funds Effective Rate plus 1/2 of 1.00% and (3) the adjusted LIBOR rate for a one-month interest period plus 1.00% or (b) a LIBOR rate determined by reference to the Reuters LIBOR rate for the interest period relevant to such borrowing.
Federal funds effective rate description				Federal Funds Effective Rate plus 1/2 of 1.00%
Debt instrument, floor interest rate			1.00%
Step-down rate	0.25%		0.25%
Step-down percentage of excess cash flow			50.00%
Net cash proceeds, percentage of prepayments			100.00%
Sale of assets reinvestment period			12 months
Sale of assets commitment period			180 days
Percentage of net proceeds of debt			100.00%
Quarterly installments on term loan percentage			0.25%
Senior Secured Term Loan Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			2.00%
Senior Secured Term Loan Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			3.00%
Senior Secured Term Loan Facility [Member] \| Step-down One [Member]
Debt Instrument [Line Items]
Step-down percentage of excess cash flow			25.00%
Senior Secured Term Loan Facility [Member] \| Step-down Two [Member]
Debt Instrument [Line Items]
Step-down percentage of excess cash flow			0.00%
Senior Secured Term Loan Facility [Member] \| Maximum [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument, floor interest rate			2.00%
Senior Secured Term Loan Facility [Member] \| Maximum [Member] \| Step-down One [Member]
Debt Instrument [Line Items]
First lien net leverage ratio			5.25
Senior Secured Term Loan Facility [Member] \| Maximum [Member] \| Step-down Two [Member]
Debt Instrument [Line Items]
First lien net leverage ratio			4.00
Senior Secured Term Loan Facility [Member] \| Minimum [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, floor interest rate			1.00%
Senior Secured Revolving Facility [Member]
Debt Instrument [Line Items]
Senior secured credit facility			$ 250,000,000
Line of credit facility maturity year			2019
First lien net leverage ratio		5.00	5.00
First lien net leverage ratio, description				First lien net leverage ratio of less than or equal to 5.00 to 1.00
Commitment fee rate		0.375%	0.50%
Step-down commitment fee rate	0.375%
Letter of Credit [Member]
Debt Instrument [Line Items]
Senior secured credit facility			$ 50,000,000
Letters of credit outstanding			$ 20,000,000
Letter of Credit [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Net leverage ratio			800.00%
Term Facility and/or Revolving Facility [Member]
Debt Instrument [Line Items]
Additional amount available under the Term Facility and/or the Revolving Facility			$ 350,000,000
First lien net leverage ratio			6.00
First lien net leverage ratio, description				First lien net leverage ratio of less than or equal to 6.00 to 1.00
Term Facility and/or Revolving Facility [Member] \| First Anniversary [Member]
Debt Instrument [Line Items]
First lien net leverage ratio			5.75
First lien net leverage ratio, description				First lien net leverage ratio of less than or equal to 5.75 to 1.00
Revolving Facility [Member]
Debt Instrument [Line Items]
First lien net leverage ratio	4.50	5.00
First lien net leverage ratio, description				First lien net leverage ratio of less than or equal to 5.00 to 1.00, 4.50 to 1.00 and 4.00 to 1.00
Debt, interest rate terms				A rate equal to a margin over either (a) a base rate determined by reference to the highest of (1) the JPM prime lending rate, (2) the Federal Funds Effective Rate plus 1/2 of 1.00% and (3) the adjusted LIBOR rate for a one-month interest period plus 1.00% or (b) a LIBOR rate determined by reference to the Reuters LIBOR rate for the interest period relevant to such borrowing.
Federal funds effective rate description				Federal Funds Effective Rate plus 1/2 of 1.00%
Debt instrument, floor interest rate			1.00%
Step-down rate	0.25%	0.25%	0.25%
Proceeds from letters of credit				$ 14,400,000	$ 14,600,000
Percentage of fee on letter of credit		2.38%				2.63%
Step-down margin	2.13%
Revolving Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			1.50%
Revolving Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			2.50%
Revolving Facility [Member] \| Step-down One [Member]
Debt Instrument [Line Items]
First lien net leverage ratio		5.00	5.00
First lien net leverage ratio, description				First lien net leverage ratio of less than 5.00 to 1.00
Step-down rate		0.25%
Revolving Facility [Member] \| Step-down Two [Member]
Debt Instrument [Line Items]
First lien net leverage ratio	4.50		4.50
First lien net leverage ratio, description				First lien net leverage ratio of less than 4.50 to 1.00
Step-down rate	0.25%
Revolving Facility [Member] \| Step-down Three [Member]
Debt Instrument [Line Items]
First lien net leverage ratio			4.00