Maximum Discounted Purchase Price Of Common Stock As A Percent Of Fair Market Value

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Performance period for Performance shares

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Performance targets for performance shares

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of tax benefit from exercise of stock options granted under share-based compensation arrangement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=SL79508275-113901

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

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No definition available.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Description of pertinent provisions of equity-based compensation awards that have actual or potential impact upon the company's financial statements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Price of a single share of a number of saleable stocks of a company.

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No definition available.

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Equity-Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Feb. 15, 2017	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015	Jan. 07, 2015
Share-based Compensation Arrangement by Share-based Payment Award
Tax benefit from award exercises		$ 2,222
Performance shares cliff vesting schedule		3 years
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award
Maximum discounted purchase price of common stock as a percent of fair market value	85.00%
2014 Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Shares authorized for the issuance					2,000,000
Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award
Closing price of common stock		$ 83.43
Class B Common Stock
Share-based Compensation Arrangement by Share-based Payment Award
Closing price of common stock		$ 83.16
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award
Award terms		10 years
Unvested compensation expense		$ 2,964
Unvested compensation expense weighted-average period of recognition, in years		2 years
Total fair value of awards vested		$ 4,044	$ 5,876	$ 5,424
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Award terms		10 years
Performance-based Restricted Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award
Performance period for PSUs		3 years
Performance shares cliff vesting schedule		3 years
Unvested compensation expense		$ 2,348
Unvested compensation expense weighted-average period of recognition, in years		2 years
Granted in Period		40,700
Weighted Average Grant Date Fair Value, Granted		$ 71.65
Performance-based Restricted Stock Units (PSUs) \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Performance targets for performance based units		0.00%
Performance-based Restricted Stock Units (PSUs) \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Performance targets for performance based units		200.00%
Restricted Stock Awards (RSAs)
Share-based Compensation Arrangement by Share-based Payment Award
Granted in Period		6,696
Weighted Average Grant Date Fair Value, Granted		$ 71.65
Vested in Period		6,696
Weighted Average Grant Date Fair Value, Vested		$ 71.65
Total fair value of awards vested		$ 480