Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 20,985	$ 13,877
Other comprehensive income (loss), net of tax:
Realized and unrealized hedge gain (loss) arising during the period, net of tax of $0 million and $0.1 million in the first quarter of 2019 and 2018, respectively	(2,129)	(913)
Net hedge (gain) loss reclassified into earnings, net of tax of $0.1 million in the first quarter of 2019 and $0.1 million in the first quarter of 2018	(549)	573
Unrealized loss on hedging instruments	(2,678)	(340)
Foreign currency translation adjustment, net of tax of $0 for each period	(7,569)	5,229
Unrealized gain (loss) on marketable securities, net of tax of $0 for each period	13	(179)
Amortization of net actuarial pension loss included in net income, net of tax of $0.2 million and $0.2 million in the first quarter of 2019 and 2018, respectively	430	371
Change in unamortized pension loss during the period related to changes in foreign currency	281	(263)
Other comprehensive income (loss)	(9,523)	4,818
Comprehensive income	$ 11,462	$ 18,695