Stockholders' Equity - Narrative (Details) - USD ($) shares in Millions	3 Months Ended
	Dec. 31, 2017	Jan. 01, 2017	Jul. 28, 2017	Jul. 02, 2017
Class of Stock [Line Items]
Share repurchase authorization			$ 200,000,000
Number of shares repurchased (shares)	0.9	3.3
Cost of shares repurchased	$ 26,500,000	$ 84,800,000
Amount available for future purchase				$ 207,300,000