Shareholders' Equity (Changes in AOCI by Component) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 02, 2016	Apr. 04, 2015	Apr. 02, 2016	Apr. 04, 2015	Oct. 03, 2015
Stockholders' Equity Note [Abstract]
Accumulated foreign currency translation	$ (81,032)		$ (81,032)		$ (72,788)
Other comprehensive income (loss) before reclassifications - Foreign currency translation			(8,244)
Amounts reclassified from AOCI - Foreign currency translation			0
Other comprehensive income (loss) - Foreign currency translation			(8,244)
Accumulated retirement liability	(257,827)		(257,827)		(266,910)
Other comprehensive income (loss) before reclassifications - Retirement liability			159
Amounts reclassified from AOCI - Retirement liability	4,448	$ 5,916	8,924	$ 11,490
Other comprehensive income (loss) retirement liability	3,751	5,916	9,083	11,490
Accumulated loss on derivatives	(1,106)		(1,106)		(2,037)
Other comprehensive income(loss) before reclassification - Derivatives	(178)	(824)	(301)	(1,140)
Amounts reclassified from AOCI - Derivatives	671	501	1,232	1,067
Other comprehensive income (loss) - Derivatives	493	(323)	931	(73)
Accumulated other comprehensive loss	(339,965)		(339,965)		$ (341,735)
Other comprehensive income (loss) before reclassifications - Total			(8,386)
Amounts reclassified from AOCI - Total			10,156
Other comprehensive income (loss) - Total	$ 19,199	$ (31,780)	$ 1,770	$ (68,862)