Shareholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018	Aug. 13, 2020	Aug. 20, 2019	Feb. 14, 2018	Jun. 06, 2016
2016 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized repurchase amount							$ 150,000
Amount repurchased (in shares)			1,914,596
Amount repurchased			$ 115,900
Average repurchase price (in dollars per share)			$ 60.52
2018 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized repurchase amount						$ 200,000
Amount repurchased (in shares)		3,129,059	343,642
Amount repurchased		$ 178,800	$ 21,200
Average repurchase price (in dollars per share)		$ 57.15	$ 61.61
2019 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized repurchase amount					$ 50,000
Amount repurchased (in shares)	609,935	54,965
Amount repurchased	$ 41,400	$ 3,300
Average repurchase price (in dollars per share)	$ 67.86	$ 59.66
Remaining authorized repurchase amount	$ 5,300
2021 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized repurchase amount				$ 50,000