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Convertible Senior Notes, Warrants and Hedges - Components (Details) - USD ($)
$ in Thousands
Nov. 03, 2015
Apr. 01, 2018
Apr. 02, 2017
Apr. 03, 2016
Liability component        
Net carrying amount   $ 299,551 $ 285,541  
Convertible debt | 0.875% Convertible Senior Notes Due 2022        
Liability component        
Principal $ 274,435      
Less: Issuance cost (7,568)      
Net carrying amount 266,867 $ 299,551 $ 285,541 $ 272,221
Equity component        
Allocated amount 99,316      
Less: Issuance cost (2,738)      
Net carrying amount 96,578      
Convertible Notes, net $ 363,445