Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Dec. 30, 2018	Dec. 31, 2017	Apr. 01, 2018	Apr. 02, 2018
Income Tax Contingency [Line Items]
(Benefit from) provision for income taxes	$ (4,285)	$ 101,033	$ 73	$ 100,020
Impact of tax cuts and jobs act on deferred taxes					$ 10,300
Tax cuts and jobs act of 2017, incomplete accounting, transition tax for accumulated foreign earnings, provisional income tax expense (benefit)					103,900
Tax cuts and jobs act of 2017, incomplete accounting, transition tax for accumulated foreign earnings, provisional liability, current					1,500
Tax cuts and jobs act of 2017, incomplete accounting, transition tax for accumulated foreign earnings, provisional liability, noncurrent					24,100
Tax cuts and jobs act of 2017, incomplete accounting, change in tax rate, deferred tax asset, provisional income tax expense (benefit)					78,300
Cumulative-effect adjustment to accumulated deficit	$ 227,299		$ 227,299		$ 301,155
Accounting Standards Update 2016-16
Income Tax Contingency [Line Items]
Cumulative-effect adjustment to accumulated deficit						$ 13,900