Interest and Other Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016
Components of interest and other expense
Interest income	$ 17,738	$ 14,504	$ 44,984	$ 38,068
Interest expense	(11,224)	(13,872)	(34,333)	(41,610)
Other income (expense), net	(1,045)	(1,024)	(1,513)	(2,588)
Interest and other expense, net	$ 5,469	$ (392)	$ 9,138	$ (6,130)