Consolidated Condensed Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net earnings attributable to Moog and noncontrolling interest	$ 1,299	$ 30,058
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	10,364	(41,509)
Retirement liability adjustment	4,256	8,572
Change in accumulated income (loss) on derivatives	1,234	574
Other comprehensive income (loss), net of tax	15,854	(32,363)
Comprehensive income (loss)	17,153	(2,305)
Comprehensive income (loss) attributable to noncontrolling interest	0	(506)
Comprehensive income (loss) attributable to Moog	$ 17,153	$ (1,799)