Stockholders' Equity (Comprehensive Income, Net Of Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Oct. 02, 2011
Stockholders' Equity [Line Items]
Net earnings	$ 51,152	$ 57,651	$ 80,600
Cash flow hedges, Net change in fair value of derivatives	(110)	(1,055)	(2,066)
Cash flow hedges, Net loss reclassified to earnings	1,353	1,304	117
Cash flow hedges, Total	1,243	249	(1,949)
Cash flow hedges, Tax effect	476	97	(750)
Cash flow hedges, Net of tax	767	152	(1,199)
Unrecognized periodic benefit costs, Actuarial losses arising during the period	(98,764)	78,619	36,862
Unrecognized periodic benefit costs, Total	(117,659)	65,087	26,318
Comprehensive income	124,503	17,578	63,447
Interest Rate Swaps [Member] | Derivatives Designated As Hedging Instrument [Member]
Stockholders' Equity [Line Items]
Cash flow hedges, Net change in fair value of derivatives	$ (110)	$ (1,055)	$ (2,066)