Consolidated Statements Of Shareholders' Equity (USD $) In Thousands, except Share data	Total USD ($)	Common Stock [Member] USD ($)	Additional Paid-In Capital [Member] USD ($)	Retained Earnings [Member] USD ($)	Treasury Shares At Cost [Member] USD ($)	Stock Employee Compensation Trust (SECT) [Member] USD ($)	Accumulated Other Comprehensive (Loss) Income [Member] USD ($)	Class A Common Stock [Member] Treasury Shares At Cost [Member]	Class B Common Stock [Member] Treasury Shares At Cost [Member]	Class B Common Stock [Member] Stock Employee Compensation Trust (SECT) [Member]
Beginning of year at Oct. 01, 2011			$ 412,370	$ 1,016,754	$ (74,479)	$ (13,090)	$ (200,944)
Beginning of year at Oct. 01, 2011								(2,393,039)	(3,305,971)	(395,470)
Issuance of treasury shares at more than cost			1,282
Equity-based compensation expense			6,226
Adjustment to market - SECT, and other			2,091
Net earnings	152,462			152,462
Class A shares issued as consideration for acquisitions					(46)
Class A shares issued related to options					945
Class A and B shares purchased					(1,400)
Sale of SECT stock to RSP						1,766
Purchase of SECT stock	(2,929)					(2,929)
Adjustment to market - SECT						(1,731)
Other comprehensive (loss) income							(45,767)
TOTAL SHAREHOLDERS' EQUITY	1,304,790	51,280	421,969	1,169,216	(74,980)	(15,984)	(246,711)
Class A shares issued as consideration for acquisitions								(1,208)
Shares issued related to options								175,823
Shares purchased								(34,894)	0
Sale of SECT stock to RSP										48,579
Purchase of SECT stock										(71,426)
End of year at Sep. 29, 2012	1,304,790	51,280	421,969	1,169,216	(74,980)	(15,984)	(246,711)
End of year at Sep. 29, 2012								(2,253,318)	(3,305,971)	(418,317)
Issuance of treasury shares at more than cost			7,134
Equity-based compensation expense			6,620
Adjustment to market - SECT, and other			11,755
Net earnings	120,497			120,497
Class A shares issued as consideration for acquisitions					0
Class A shares issued related to options					3,591
Class A and B shares purchased					(11,614)
Sale of SECT stock to RSP						781
Purchase of SECT stock	(9,676)					(9,676)
Adjustment to market - SECT						(10,666)
Other comprehensive (loss) income	112,553						112,553
TOTAL SHAREHOLDERS' EQUITY	1,535,765	51,280	447,478	1,289,713	(83,003)	(35,545)	(134,158)
Class A shares issued as consideration for acquisitions								0
Shares issued related to options								495,297
Shares purchased								(246,241)	0
Sale of SECT stock to RSP										21,237
Purchase of SECT stock										(213,143)
End of year at Sep. 28, 2013	1,535,765	51,280	447,478	1,289,713	(83,003)	(35,545)	(134,158)
End of year at Sep. 28, 2013								(2,004,262)	(3,305,971)	(610,223)
Beginning of year at Jun. 29, 2013
Net earnings	15,625
TOTAL SHAREHOLDERS' EQUITY	1,535,765	51,280
End of year at Sep. 28, 2013	1,535,765	51,280	447,478	1,289,713	(83,003)	(35,545)	(134,158)
Beginning of year at Sep. 28, 2013								(2,004,262)	(3,305,971)	(610,223)
Issuance of treasury shares at more than cost			256
Equity-based compensation expense			7,189
Adjustment to market - SECT, and other			9,042
Net earnings	158,198			158,198
Class A shares issued as consideration for acquisitions					0
Class A shares issued related to options					1,991
Class A and B shares purchased					(279,433)
Sale of SECT stock to RSP						1,144
Purchase of SECT stock	(7,924)					(7,924)
Adjustment to market - SECT						(6,133)
Other comprehensive (loss) income	(72,680)						(72,680)
TOTAL SHAREHOLDERS' EQUITY	1,347,415	51,280	463,965	1,447,911	(360,445)	(48,458)	(206,838)
Class A shares issued as consideration for acquisitions								0
Shares issued related to options								283,921
Shares purchased								(4,086,361)	(13,067)
Sale of SECT stock to RSP										18,444
Purchase of SECT stock										(119,062)
End of year at Sep. 27, 2014	1,347,415	51,280	463,965	1,447,911	(360,445)	(48,458)	(206,838)
End of year at Sep. 27, 2014								(5,806,702)	(3,319,038)	(710,841)
Beginning of year at Jun. 28, 2014
Net earnings	40,254
TOTAL SHAREHOLDERS' EQUITY	1,347,415	51,280
End of year at Sep. 27, 2014	$ 1,347,415	$ 51,280