Segments (Sales by Revenue Recognition Method) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Segment Reporting Information [Line Items]
Net sales	$ 2,851,993	$ 2,884,554	$ 2,904,663
Transferred over Time
Segment Reporting Information [Line Items]
Net sales	1,807,930	1,870,624	1,846,643
Transferred at Point in Time
Segment Reporting Information [Line Items]
Net sales	1,044,063	1,013,930	1,058,020
Aircraft Controls
Segment Reporting Information [Line Items]
Net sales	1,161,238	1,205,750	1,302,972
Aircraft Controls | Transferred over Time
Segment Reporting Information [Line Items]
Net sales	939,251	1,018,190	1,068,747
Aircraft Controls | Transferred at Point in Time
Segment Reporting Information [Line Items]
Net sales	221,987	187,560	234,225
Space and Defense Controls
Segment Reporting Information [Line Items]
Net sales	799,235	770,114	683,468
Space and Defense Controls | Transferred over Time
Segment Reporting Information [Line Items]
Net sales	746,613	700,068	625,250
Space and Defense Controls | Transferred at Point in Time
Segment Reporting Information [Line Items]
Net sales	52,622	70,046	58,218
Industrial Systems
Segment Reporting Information [Line Items]
Net sales	891,520	908,690	918,223
Industrial Systems | Transferred over Time
Segment Reporting Information [Line Items]
Net sales	122,066	152,366	152,646
Industrial Systems | Transferred at Point in Time
Segment Reporting Information [Line Items]
Net sales	$ 769,454	$ 756,324	$ 765,577