Condensed Consolidated Statement of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Net income (loss)	$ 37,952	$ (154,910)
Other comprehensive income (loss), net of tax:
Change in foreign currency translation adjustments	(252)	(354)
Derivative financial instruments:
Change in net unrealized amount	(6,497)	(1,407)
Amount reclassified into net income	2,410	1,525
Defined benefit plans:
Changes in unrecognized net actuarial losses and unrecognized transition costs	290	(260)
Amortization of actuarial losses and transition costs	198	321
Total other comprehensive loss	(3,851)	(175)
Comprehensive income (loss)	$ 34,101	$ (155,085)