Consolidated Condensed Statements 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
Statement of Comprehensive Income [Abstract]
Net earnings	$ 42,359	$ 13,965	$ 86,428	$ 15,264
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	1,106	20,297	(8,281)	30,661
Retirement liability adjustment	4,677	4,682	9,496	8,938
Change in accumulated income (loss) on derivatives	(79)	(579)	585	655
Other comprehensive income (loss)	5,704	24,400	1,800	40,254
Tax Cuts and Jobs Act, reclassification from AOCIL to retained earnings	0	(47,077)	0	(47,077)
Comprehensive income (loss)	$ 48,063	$ (8,712)	$ 88,228	$ 8,441

Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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