Stockholders' Equity - Stock Repurchase Program (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Dec. 31, 2022	Jan. 01, 2022
Stockholders' Equity
Shares repurchased	4	1,500
Cash paid for share repurchases	$ 0.2	$ 60.0
Stock repurchase program, remaining authorized repurchase amount	$ 164.0
Share-based payment arrangement, shares withheld for tax withholding obligation	100	200
Amount of tax withholding for share-based compensation	$ 8.0	$ 9.0