Shareholders' Equity (Changes in Shareholders' Equity) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Jan. 03, 2015	Dec. 28, 2013	Sep. 27, 2014
Shareholders' Equity [Line Items]
Beginning of Period	$ 1,347,415
Net earnings	35,265	32,097
Purchase of stock held by Stock Employee Compensation Trust	(4,460)	(1,792)
Other Comprehensive Income (Loss), Net of Tax	(37,082)	7,824
End of Period	1,240,116
Class A Common Stock [Member]
Shareholders' Equity [Line Items]
Common Stock, Beginning of Period	43,627,531
Conversion for Class B to Class A	1,269
Common Stock, End of Period	43,628,800
Treasury Stock, Beginning of Period	(5,806,702)
Issuance of treasury shares, Shares	447,713
Purchase of treasury shares, Shares	(1,682,286)
Treasury Stock, End of Period	(7,041,275)
TOTAL SHAREHOLDERS' EQUITY, Shares	36,587,525
Class B Common Stock [Member]
Shareholders' Equity [Line Items]
Common Stock, Beginning of Period	7,652,182
Conversion for Class B to Class A	(1,269)
Common Stock, End of Period	7,650,913
Treasury Stock, Beginning of Period	(3,319,038)
Issuance of treasury shares, Shares	0
Purchase of treasury shares, Shares	(2,238)
Treasury Stock, End of Period	(3,321,276)
SECT, Beginning of Period	(710,841)
Purchase of stock held by Stock Employee Compensation Trust, Shares	(62,245)
SECT, End of Period	(773,086)
TOTAL SHAREHOLDERS' EQUITY, Shares	3,556,551
Common Stock [Member]
Shareholders' Equity [Line Items]
Beginning of Period			51,280
End of Period	51,280		51,280
Additional Paid-In Capital [Member]
Shareholders' Equity [Line Items]
Beginning of Period	463,965
Equity-based compensation expense	3,398
Issuance of treasury shares at more than cost	(3,142)
Adjustment To Marker Sect And Other	8,511
End of Period	472,732
Retained Earnings [Member]
Shareholders' Equity [Line Items]
Beginning of Period	1,447,911
Net earnings	35,265
End of Period	1,483,176
Treasury Stock [Member]
Shareholders' Equity [Line Items]
Beginning of Period	(360,445)
Issuance of treasury shares	13,093
Purchase of treasury shares	(119,226)
End of Period	(466,578)
Stock Employee Compensation Trust (Sect) [Member]
Shareholders' Equity [Line Items]
Beginning of Period	(48,458)
Purchase of stock held by Stock Employee Compensation Trust	(4,460)
Adjustment to market - SECT	(3,656)
End of Period	(56,574)
Accumulated Other Comprehensive (Loss) Income [Member]
Shareholders' Equity [Line Items]
Beginning of Period	(206,838)
Other Comprehensive Income (Loss), Net of Tax	(37,082)
End of Period	$ (243,920)