Consolidated Condensed Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Statement of Comprehensive Income [Abstract]
Net earnings attributable to Moog and noncontrolling interest	$ 40,750	$ 40,088	$ 56,014	$ 101,808
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	(40,788)	32,805	(10,127)	3,991
Retirement liability adjustment	7,080	3,566	16,018	17,609
Change in accumulated income (loss) on derivatives	(747)	1,013	(92)	2,833
Other Comprehensive Income (Loss), before Tax	(34,455)	37,384	5,799	24,433
Tax Cuts and Jobs Act, reclassification from AOCIL to retained earnings	0	0	(47,077)	0
Comprehensive income (loss)	6,295	77,472	14,736	126,241
Comprehensive income (loss) attributable to noncontrolling interest	41	0	41	(870)
Comprehensive income (loss) attributable to Moog	$ 6,254	$ 77,472	$ 14,695	$ 127,111