Shareholders' Equity (Changes in Shareholders' Equity) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 02, 2016	Apr. 04, 2015	Apr. 02, 2016	Apr. 04, 2015
Shareholders' Equity
Purchase of stock held by stock employee compensation trust			$ 1,515	$ 8,440
Beginning of Period			994,532
Net earnings attributable to common shareholders	$ 31,050	$ 32,093	57,291	67,358
Other Comprehensive Income (Loss), Net of Tax	19,199	$ (31,780)	1,770	$ (68,862)
End of Period	$ 1,032,138		$ 1,032,138
Class A Common Stock
Shareholders' Equity
TOTAL SHAREHOLDERS' EQUITY, Shares	32,847,342		32,847,342
Class B Common Stock
Shareholders' Equity
TOTAL SHAREHOLDERS' EQUITY, Shares	3,361,258		3,361,258
Common Stock
Shareholders' Equity
Beginning of Period			$ 51,280
End of Period	$ 51,280		$ 51,280
Common Stock | Class A Common Stock
Shareholders' Equity
Common Stock, Beginning of Period			43,638,618
Conversion for Class B to Class A			15,183
Common Stock, End of Period	43,653,801		43,653,801
Common Stock | Class B Common Stock
Shareholders' Equity
Common Stock, Beginning of Period			7,641,095
Conversion for Class B to Class A			(15,183)
Common Stock, End of Period	7,625,912		7,625,912
Additional Paid-In Capital
Shareholders' Equity
Beginning of Period			$ 456,512
Equity-based compensation expense			1,919
Issuance of treasury shares			(264)
Adjustment To Market SECT, SERP and Other			(7,521)
End of Period	$ 450,646		450,646
Retained Earnings
Shareholders' Equity
Beginning of Period			1,579,794
Net earnings attributable to common shareholders			57,291
End of Period	1,637,085		1,637,085
Treasury Stock
Shareholders' Equity
Beginning of Period			(701,771)
Issuance of treasury shares			2,493
Purchase of treasury shares			(25,156)
End of Period	$ (724,434)		$ (724,434)
Treasury Stock | Class A Common Stock
Shareholders' Equity
Treasury Stock, Beginning of Period			(10,318,431)
Issuance of treasury shares, Shares			84,625
Purchase of treasury shares, Shares			(572,653)
Treasury Stock, End of Period	(10,806,459)		(10,806,459)
Treasury Stock | Class B Common Stock
Shareholders' Equity
Treasury Stock, Beginning of Period			(3,323,926)
Issuance of treasury shares, Shares			0
Purchase of treasury shares, Shares			0
Treasury Stock, End of Period	(3,323,926)		(3,323,926)
Stock Employee Compensation Trust (Sect)
Shareholders' Equity
Beginning of Period			$ (44,211)
Issuance of shares			2,897
Purchase of shares			(1,515)
Adjustment to market			7,128
End of Period	$ (35,701)		$ (35,701)
Stock Employee Compensation Trust (Sect) | Class B Common Stock
Shareholders' Equity
SECT, Beginning of Period			(828,381)
Issuance of share, shares			64,676
Purchase of shares, shares			(27,023)
SECT, End of Period	(790,728)		(790,728)
Supplemental Retirement Plan (SERP) Trust
Shareholders' Equity
Beginning of Period			$ (5,337)
Purchase of shares			(2,300)
Adjustment to market			864
End of Period	$ (6,773)		$ (6,773)
Supplemental Retirement Plan (SERP) Trust | Class B Common Stock
Shareholders' Equity
SERP, Beginning of Period			(100,000)
Purchase of shares, shares			(50,000)
SERP, End of Period	(150,000)		(150,000)
Accumulated Other Comprehensive (Loss) Income
Shareholders' Equity
Beginning of Period			$ (341,735)
Other Comprehensive Income (Loss), Net of Tax			1,770
End of Period	$ (339,965)		$ (339,965)