Condensed Consolidated Statement of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Mar. 31, 2018
Net income (loss)	$ 40,885	$ 24,632	$ 78,837	$ (130,278)
Other comprehensive income (loss), net of tax:
Change in foreign currency translation adjustments	(235)	908	(487)	554
Derivative financial instruments:
Change in net unrealized amount	(2,478)	2,860	(8,975)	1,453
Amount reclassified into net income	(2,645)	(2,867)	(235)	(1,342)
Defined benefit plans:
Changes in unrecognized net actuarial losses and unrecognized transition costs	109	(433)	399	(693)
Amortization of actuarial losses and transition costs	237	178	435	499
Total other comprehensive income (loss)	(5,012)	646	(8,863)	471
Comprehensive income (loss)	$ 35,873	$ 25,278	$ 69,974	$ (129,807)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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