Shareholders' Equity (Changes in Shareholders' Equity) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended							3 Months Ended
	Dec. 28, 2013	Dec. 28, 2013	Dec. 29, 2012	Dec. 28, 2013 Class A Common Stock [Member]	Dec. 28, 2013 Class B Common Stock [Member]	Dec. 28, 2013 Common Stock [Member]	Sep. 28, 2013 Common Stock [Member]	Dec. 28, 2013 Additional Paid-In Capital [Member]	Dec. 28, 2013 Retained Earnings [Member]	Dec. 28, 2013 Treasury Stock [Member]	Dec. 28, 2013 Treasury Stock [Member] Class A Common Stock [Member]	Dec. 28, 2013 Treasury Stock [Member] Class B Common Stock [Member]	Dec. 28, 2013 Stock Employee Compensation Trust (Sect) [Member]	Dec. 28, 2013 Stock Employee Compensation Trust (Sect) [Member] Class B Common Stock [Member]	Dec. 28, 2013 Accumulated Other Comprehensive (Loss) Income [Member]
Shareholders' Equity [Line Items]
Beginning of period		$ 1,535,765				$ 51,280	$ 51,280	$ 447,478	$ 1,289,713	$ (83,003)			$ (35,545)		$ (134,158)
Beginning of period, Shares				43,613,060	7,666,653						(2,004,262)	(3,305,971)		(610,223)
Conversion of Class B to Class A, Shares				3,859	(3,859)
Equity-based compensation expense								3,774
Issuance of treasury shares at more than cost								874
Adjustment To Marker Sect And Other								7,970
Net earnings	32,097	32,097	34,118						32,097
Issuance of treasury shares										657
Purchase of treasury shares										(2,617)
Issuance of treasury shares, Shares											133,368	0
Purchase of treasury shares, Shares											(40,621)	(1,200)
Purchase of stock held by Stock Employee Compensation Trust													(1,793)
Adjustment to market - SECT													(6,859)
Purchase of stock held by Stock Employee Compensation Trust, Shares														(27,723)
End of Period, Shares				43,616,919	7,662,794						(1,911,515)	(3,307,171)		(637,946)
Other Comprehensive Income (Loss), Net of Tax	7,824	7,824	11,015												7,824
TOTAL SHAREHOLDERS' EQUITY, Shares				41,705,404	3,717,677
End of period	$ 1,577,692	$ 1,577,692				$ 51,280	$ 51,280	$ 460,096	$ 1,321,810	$ (84,963)			$ (44,197)		$ (126,334)