Interest Income and Other, Net - Components of Interest Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 01, 2017	Oct. 02, 2016	Oct. 01, 2017	Oct. 02, 2016
Other Income and Expenses [Abstract]
Interest income	$ 836	$ 773	$ 1,593	$ 1,373
Other income, net	1,112	847	3,337	1,899
Interest income and other, net	$ 1,948	$ 1,620	$ 4,930	$ 3,272