Shareholders' Equity - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Apr. 04, 2020	Mar. 30, 2019	Apr. 04, 2020	Mar. 30, 2019	Aug. 20, 2019	Feb. 14, 2018
2019 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized repurchase amount					$ 50,000,000.0
Amount repurchased (in shares)	224,564		315,231
Amount repurchased	$ 13,200,000		$ 19,500,000
Average repurchase price (in dollars per share)	$ 58.57		$ 61.81
Remaining authorized repurchase amount	$ 27,200,000		$ 27,200,000
2018 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized repurchase amount						$ 200,000,000.0
Amount repurchased (in shares)		991,683		1,861,632
Amount repurchased		$ 56,200,000		$ 106,300,000
Average repurchase price (in dollars per share)		$ 56.72		$ 57.10