Convertible Senior Notes, Warrants, and Hedges (Net Carrying Amount Rollforward) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jul. 03, 2016	Apr. 03, 2016	Apr. 03, 2016
Convertible Debt Carrying Amount [Roll Forward]
Net carrying amount, beginning of period	$ 272,221
Net carrying amount, end of period	275,489	$ 272,221	$ 272,221
Convertible debt | 0.875% Convertible Senior Notes Due 2022
Convertible Debt Carrying Amount [Roll Forward]
Net carrying amount, beginning of period	272,221		266,867
Amortization of debt issuance costs during the period	270		450
Amortization of debt discount during the period	2,998		4,904
Net carrying amount, end of period	$ 275,489	272,221	$ 272,221
Interest paid		$ 1,700