Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Net income (loss)	$ 3,073	$ 17,435	$ (25,992)	$ 53,111
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment, net of tax of $0 for each period	(5,961)	1,201	(1,219)	(41,695)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent	7	0	7	0
Amortization of net actuarial pension loss included in net income, net of tax of $0.2 million and $0.1 million in the third quarter of 2016 and 2015, respectively, and $0.5 million and $0.4 million in the first nine months of 2016 and 2015, respectively	417	1,003	1,220	3,081
Change in unamortized pension loss during the period related to changes in foreign currency	413	(190)	82	2,915
Total other comprehensive income (loss)	(3,203)	2,014	(2,816)	(35,699)
Comprehensive income (loss)	(130)	19,449	(28,808)	17,412
Designated as Hedging Instrument [Member] | Forward Contracts
Other comprehensive income (loss), net of tax:
Unrealized hedge gain (loss) arising during the period	361	0	(3,633)	0
Net hedge loss reclassified into earnings	(1,560)	0	(727)	0
Unrealized gain (loss) on hedging instruments	$ 1,921	$ 0	$ (2,906)	$ 0