Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net earnings attributable to Moog and noncontrolling interest	$ 179,748	$ 96,628	$ 140,410
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustment	(29,984)	(16,279)	27,460
Retirement liability adjustment	(18,006)	26,757	69,229
Change in accumulated income (loss) on derivatives	105	(121)	2,881
Other comprehensive income (loss)	(47,885)	10,357	99,570
Tax Cuts and Jobs Act, reclassification to retained earnings	0	(47,077)	0
Comprehensive income (loss)	131,863	59,908	239,980
Comprehensive income (loss) attributable to noncontrolling interest	0	91	(870)
Comprehensive income (loss) attributable to Moog	$ 131,863	$ 59,817	$ 240,850

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

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