Fair Value Measurements (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 29, 2014		Mar. 30, 2013
Changes in Level 3 instruments measured at fair value on a recurring basis
Balance as of beginning of period	$ 27,610		$ 27,998
Gains (losses) included in interest and other expense, net	1,090		(159)
Gains (losses) included in other comprehensive income (loss)	1,760		471
Sales and settlements, net	(10,300)	[1]	(700)	[1]
Balance as of end of period	$ 20,160		$ 27,610

[1] During fiscal 2014 and 2013, the Company redeemed $10.3 million and $700 thousand of student loan auction rate securities, respectively, for cash at par value.