Shareholders' Equity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended						6 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013 Class A Common Stock [Member]	Mar. 30, 2013 Class B Common Stock [Member]	Mar. 30, 2013 Common Stock [Member]	Sep. 29, 2012 Common Stock [Member]	Mar. 30, 2013 Additional Paid-In Capital [Member]	Mar. 30, 2013 Retained Earnings [Member]	Mar. 30, 2013 Treasury Stock [Member]	Mar. 30, 2013 Treasury Stock [Member] Class A Common Stock [Member]	Mar. 30, 2013 Treasury Stock [Member] Class B Common Stock [Member]	Mar. 30, 2013 Stock Employee Compensation Trust (Sect) [Member]	Mar. 30, 2013 Stock Employee Compensation Trust (Sect) [Member] Class B Common Stock [Member]	Mar. 30, 2013 Accumulated Other Comprehensive (Loss) Income [Member]
Shareholders' Equity [Line Items]
Beginning of period			$ 1,304,790				$ 51,280	$ 51,280	$ 421,969	$ 1,169,216	$ (74,980)			$ (15,984)		$ (246,711)
Beginning of period, Shares					43,575,124	7,704,589						(2,253,318)	(3,305,971)		(418,317)
Conversion of Class B to Class A, Shares					22,236	(22,236)
Equity-based compensation expense									4,724
Issuance of treasury shares at more than cost									3,157
Adjustment To Marker Sect And Other									3,585
Net earnings	36,527	35,421	70,645	71,794						70,645
Issuance of treasury shares											2,331
Purchase of treasury shares											(4,649)
Issuance of treasury shares, Shares												270,859	0
Purchase of treasury shares, Shares												(114,995)	0
Issuance of stock held by Stock Employee Compensation Trust														781
Purchase of stock held by Stock Employee Compensation Trust														(7,173)
Adjustment to market - SECT														(3,277)
Issuance of stock held by Stock Employee Compensation Trust, Shares															21,237
Purchase of stock held by Stock Employee Compensation Trust, Shares															(164,016)
End of Period, Shares					43,597,360	7,682,353						(2,097,454)	(3,305,971)		(561,096)
Other Comprehensive Income (Loss), Net of Tax	(17,916)	18,426	(6,901)	12,871												(6,901)
TOTAL SHAREHOLDERS' EQUITY, Shares					41,499,906	3,815,286
End of period	$ 1,368,013		$ 1,368,013				$ 51,280	$ 51,280	$ 433,435	$ 1,239,861	$ (77,298)			$ (25,653)		$ (253,612)