Condensed Consolidated Statement of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Apr. 03, 2021	Mar. 28, 2020
Net income	$ 47,037	$ 4,882	$ 95,058	$ 43,227
Other comprehensive income (loss), net of tax:
Change in foreign currency translation adjustments	(1,561)	(2,887)	78	(2,170)
Derivative financial instruments:
Change in net unrealized amount	291	(8,306)	3,647	(4,926)
Amount reclassified into net income	2,530	538	1,029	343
Defined benefit plans:
Changes in unrecognized net actuarial losses and unrecognized transition costs	680	415	(45)	228
Amortization of actuarial losses and transition costs	460	102	966	646
Total other comprehensive income (loss)	2,400	(10,138)	5,675	(5,879)
Comprehensive income (loss)	$ 49,437	$ (5,256)	$ 100,733	$ 37,348