Shareholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 03, 2021	Jul. 04, 2020	Jul. 03, 2021	Jul. 04, 2020	Nov. 18, 2020	Aug. 13, 2020	Aug. 20, 2019
2019 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized repurchase amount							$ 50,000
Amount repurchased (in shares)		0	73,560	315,231
Amount repurchased			$ 5,300	$ 19,500
Average repurchase price (in dollars per share)			$ 72.44	$ 61.81
2021 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized repurchase amount					$ 100,000	$ 50,000
Additional authorized repurchase amount					$ 50,000
Amount repurchased (in shares)	291,898		874,706
Amount repurchased	$ 27,300		$ 73,900
Average repurchase price (in dollars per share)	$ 93.53		$ 84.45
Remaining authorized repurchase amount	$ 26,100		$ 26,100