Stockholders' Equity - Narrative (Details) - USD ($) shares in Millions		3 Months Ended
	Jul. 28, 2017	Jul. 02, 2017	Jul. 03, 2016
Class of Stock [Line Items]
Number of shares repurchased (shares)		1.4	1.5
Cost of shares repurchased		$ 34,800,000	$ 30,600,000
Amount available for future purchase		$ 57,300,000
Subsequent Event
Class of Stock [Line Items]
Cost of shares repurchased	$ 200,000,000