Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 35,455	$ 20,985
Other comprehensive income (loss), net of tax:
Hedge gain (loss) arising during the period, net of tax of $1.1 million and $0 million in the first quarter of 2020 and 2019, respectively	(3,343)	(2,129)
Net hedge (gain) loss reclassified into earnings, net of tax of $0 million and $0.1 million in the first quarter of 2020 and 2019, respectively	0	(549)
Realized and unrealized loss on hedging instruments	(3,343)	(2,678)
Foreign currency translation adjustment, net of tax of $0 for each period	10,147	(7,569)
Unrealized gain (loss) on marketable securities, net of tax of $0 for each period	(7)	13
Amortization of net actuarial pension loss included in net income, net of tax of $0.3 million and $0.2 million in the first quarter of 2020 and 2019, respectively	674	430
Change in unamortized pension loss during the period related to changes in foreign currency	(622)	281
Other comprehensive income (loss)	6,849	(9,523)
Comprehensive income	$ 42,304	$ 11,462