Consolidated Condensed Statements of Earnings - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Income Statement [Abstract]
Net sales	$ 692,018	$ 626,183	$ 2,008,602	$ 1,848,256
Cost of sales	492,234	443,769	1,424,731	1,308,256
Inventory write-down - restructuring	2,398	0	9,727	0
Gross profit	197,386	182,414	574,144	540,000
Research and development	31,040	36,314	97,545	107,828
Selling, general and administrative	103,053	89,144	299,002	261,271
Interest	8,850	8,654	26,585	25,789
Restructuring	(1,549)	0	22,509	0
Other	1,037	29	45	12,148
Earnings before income taxes	54,955	48,273	128,458	132,964
Income taxes	14,205	8,185	72,444	31,156
Net earnings attributable to Moog and noncontrolling interest	40,750	40,088	56,014	101,808
Net earnings (loss) attributable to noncontrolling interest	67	0	67	(870)
Net earnings attributable to Moog	$ 40,683	$ 40,088	$ 55,947	$ 102,678
Net earnings per share attributable to Moog
Basic	$ 1.14	$ 1.12	$ 1.56	$ 2.86
Diluted	1.13	1.11	1.55	2.83
Dividends declared per share	$ 0.00	$ 0.00	$ 0.25	$ 0.00
Average common shares outstanding
Basic	35,762,918	35,847,842	35,768,471	35,868,315
Diluted	36,143,367	36,212,779	36,174,759	36,240,794