Debt Obligations (Changes in Accretable Yield on Securitized Financings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Dec. 28, 2013
Accretable Yield Movement on Acquired Securitized Financings
Balance at the beginning of the period	$ 15,142	$ 18,443	$ 15,199	$ 19,916
Accretion	(944)	(1,115)	(3,039)	(3,353)
Adjustment to cash flows	(51)	(18)	1,987	747
Balance at the end of the period	$ 14,147	$ 17,310	$ 14,147	$ 17,310