Equity-Based Compensation (Schedule Of Options And SARs) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options, Outstanding ending balance	602,288
Weighted-Average Exercise Price, Outstanding ending balance	$ 34.55
Total Stock Option Plans Member
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Exercisable	473,227
Weighted-Average Exercise Price, Options Exercisable	$ 35.63
1998 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options, Outstanding beginning balance	50,624	157,861	306,161
Stock Options, Exercised	(50,624)	(107,237)	(148,300)
Stock Options, Outstanding ending balance	0	50,624	157,861
Options Exercisable	0
Weighted-Average Exercise Price, Outstanding beginning balance	$ 19.74	$ 15.45	$ 13.81
Weighted-Average Exercise Price, Exercised	$ 19.74	$ 13.42	$ 12.07
Weighted-Average Exercise Price, Outstanding ending balance	$ 0.00	$ 19.74	$ 15.45
Weighted-Average Exercise Price, Options Exercisable	$ 0.00
Weighted-Average Remaining Contractual Life, Outstanding ending balance	0 years
Weighted-Average Remaining Contractual Life, Options Exercisable	0 years
Aggregate Intrinsic Value, Outstanding ending balance	$ 0
Aggregate Intrinsic Value, Options Exercisable	0
2003 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options, Outstanding beginning balance	742,262	1,104,334	1,125,724
Stock Options, Exercised	(139,974)	(341,822)	(19,852)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period		(20,250)	(1,538)
Stock Options, Outstanding ending balance	602,288	742,262	1,104,334
Options Exercisable	473,227
Weighted-Average Exercise Price, Outstanding beginning balance	$ 34.11	$ 33.05	$ 32.98
Weighted-Average Exercise Price, Exercised	$ 32.22	$ 30.20	$ 28.17
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price		$ 42.45	$ 42.45
Weighted-Average Exercise Price, Outstanding ending balance	$ 34.55	$ 34.11	$ 33.05
Weighted-Average Exercise Price, Options Exercisable	$ 35.63
Weighted-Average Remaining Contractual Life, Outstanding ending balance	1 year 9 months
Weighted-Average Remaining Contractual Life, Options Exercisable	1 year 11 months
Aggregate Intrinsic Value, Outstanding ending balance	20,507
Aggregate Intrinsic Value, Options Exercisable	15,604
2008 Stock Appreciation Rights Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options, Outstanding beginning balance	1,693,241	1,468,165	1,116,708
Stock Options, Granted	233,000	460,791	408,000
Stock Options, Exercised	(298,213)	(235,715)	(56,543)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	(4,000)
Stock Options, Outstanding ending balance	1,624,028	1,693,241	1,468,165
Options Exercisable	1,061,406
Weighted-Average Exercise Price, Outstanding beginning balance	$ 36.80	$ 36.43	$ 34.26
Weighted-Average Exercise Price, Granted	$ 61.69	$ 36.41	$ 41.82
Weighted-Average Exercise Price, Exercised	$ 35.66	$ 33.71	$ 32.62
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price	$ 39.12
Weighted-Average Exercise Price, Outstanding ending balance	$ 40.57	$ 36.80	$ 36.43
Weighted-Average Exercise Price, Options Exercisable	$ 37.44
Weighted-Average Remaining Contractual Life, Outstanding ending balance	6 years 4 months
Weighted-Average Remaining Contractual Life, Options Exercisable	5 years 2 months
Aggregate Intrinsic Value, Outstanding ending balance	45,516
Aggregate Intrinsic Value, Options Exercisable	$ 33,077

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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