Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 17,435	$ 38,026	$ 53,111	$ 121,439
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment, net of tax of $0 for each period	1,201	2,364	(41,695)	1,514
Amortization of net actuarial pension loss included in net income, net of tax of $0.1 million and $0.3 million in the third quarter of 2015 and 2014, respectively, and $0.4 million and $0.8 million in the first nine months of 2015 and 2014, respectively	1,003	528	3,081	1,575
Change in unamortized pension loss during the period related to changes in foreign currency	(190)	91	2,915	(114)
Total other comprehensive income (loss)	2,014	2,983	(35,699)	2,975
Comprehensive income	$ 19,449	$ 41,009	$ 17,412	$ 124,414