Condensed Consolidated Statement of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Net income	$ 44,880	$ 42,921	$ 88,107	$ 121,758
Other comprehensive income (loss), net of tax:
Change in foreign currency translation adjustments	1,199	469	(971)	(18)
Derivative financial instruments:
Change in net unrealized amount	(624)	(8,206)	(5,550)	(17,181)
Amount reclassified into net income	1,002	392	1,345	157
Defined benefit plans:
Changes in unrecognized net actuarial losses and unrecognized transition costs	(619)	(76)	(391)	323
Amortization of actuarial losses and transition costs	332	341	978	776
Total other comprehensive income (loss)	1,290	(7,080)	(4,589)	(15,943)
Comprehensive income	$ 46,170	$ 35,841	$ 83,518	$ 105,815