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. 03, 2009			$ 381,099	$ 772,639	$ (47,733)	$ (11,426)	$ (80,826)
Beginning of year at Oct. 03, 2009								(2,303,699)		(398,552)
Issuance of treasury shares at more than cost			433
Equity-based compensation expense			5,445
Class A shares issued as consideration for purchase of Animatics					0
Class A shares issued related to options					543
Class A shares purchased					(534)
Sale of SECT stock to RSP						1,732
Purchase of SECT stock	(1,296)					(1,296)
Adjustment to market - SECT, and other			2,399
Adjustment to market - SECT						(2,391)
Other comprehensive loss							(58,502)
Net earnings	108,094			108,094
TOTAL SHAREHOLDERS' EQUITY	1,120,956	51,280	389,376	880,733	(47,724)	(13,381)	(139,328)
Sale of SECT stock to RSP										60,366
Class A shares issued as consideration for purchase of Animatics								0
Shares issued related to options								101,825
Shares purchased								(19,761)
Purchase of SECT stock										(36,316)
End of year at Oct. 02, 2010	1,120,956	51,280	389,376	880,733	(47,724)	(13,381)	(139,328)
End of year at Oct. 02, 2010								(2,221,635)	(3,305,971)	(374,502)
Issuance of treasury shares at more than cost			17,374
Equity-based compensation expense			6,952
Class A shares issued as consideration for purchase of Animatics					2,495
Class A shares issued related to options					828
Class A shares purchased					(30,078)
Sale of SECT stock to RSP						2,852
Purchase of SECT stock	(3,992)					(3,992)
Adjustment to market - SECT, and other			(1,332)
Adjustment to market - SECT						1,431
Other comprehensive loss							(61,616)
Net earnings	136,021			136,021
TOTAL SHAREHOLDERS' EQUITY	1,191,891	51,280	412,370	1,016,754	(74,479)	(13,090)	(200,944)
Sale of SECT stock to RSP										73,611
Class A shares issued as consideration for purchase of Animatics								467,749
Shares issued related to options								155,262
Shares purchased								(794,415)
Purchase of SECT stock										(94,579)
End of year at Oct. 01, 2011	1,191,891	51,280	412,370	1,016,754	(74,479)	(13,090)	(200,944)
End of year at Oct. 01, 2011								(2,393,039)	(3,305,971)	(395,470)
Beginning of year at Jul. 02, 2011
Net earnings	38,161
TOTAL SHAREHOLDERS' EQUITY	1,191,891	51,280
End of year at Oct. 01, 2011	1,191,891	51,280	412,370	1,016,754	(74,479)	(13,090)	(200,944)
End 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
Class A shares issued as consideration for purchase of Animatics					(46)
Class A shares issued related to options					945
Class A shares purchased					(1,400)
Sale of SECT stock to RSP						1,766
Purchase of SECT stock	(2,929)					(2,929)
Adjustment to market - SECT, and other			2,091
Adjustment to market - SECT						(1,731)
Other comprehensive loss							(45,767)
Net earnings	152,462			152,462
TOTAL SHAREHOLDERS' EQUITY	1,304,790	51,280	421,969	1,169,216	(74,980)	(15,984)	(246,711)
Sale of SECT stock to RSP										48,579
Class A shares issued as consideration for purchase of Animatics								(1,208)
Shares issued related to options								175,823
Shares purchased								(34,894)
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)
Beginning of year at Jun. 30, 2012
Net earnings	41,797
TOTAL SHAREHOLDERS' EQUITY	1,304,790	51,280
End of year at Sep. 29, 2012	$ 1,304,790	$ 51,280
End of year at Sep. 29, 2012									(3,305,971)