Convertible Senior Notes, Warrants and Hedges - Net Liability Component (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 01, 2018	Apr. 02, 2017	Apr. 03, 2016
Convertible Debt Carrying Amount [Roll Forward]
Net carrying amount at beginning of the period	$ 285,541
Net carrying amount at end of the period	299,551	$ 285,541
Convertible debt | 0.875% Convertible Senior Notes Due 2022
Convertible Debt Carrying Amount [Roll Forward]
Net carrying amount at beginning of the period	285,541	272,221
Amortization of debt issuance costs during the year	1,081	1,081	$ 450
Amortization of debt discount during the year	12,929	12,239	4,904
Net carrying amount at end of the period	$ 299,551	$ 285,541	$ 272,221