Interest and Other Expense, Net (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Apr. 02, 2011
Components of interest and other expense
Interest income	$ 25,574	$ 23,697	$ 18,427
Interest expense	(55,069)	(54,576)	(44,715)
Other income (expense), net	(4,231)	157	1,969
Interest and other expense, net	$ (33,726)	$ (30,722)	$ (24,319)