Debt Obligations (Changes in Accretable Yield on Securitized Financings) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Accretable Yield Movement on Acquired Securitized Financings
Balance at the beginning of the period	$ 10,741	$ 14,268	$ 12,128	$ 15,199
Accretion	(741)	(1,034)	(1,553)	(2,095)
Adjustment to cash flows	3,993	1,908	3,418	2,038
Balance at the end of the period	$ 13,993	$ 15,142	$ 13,993	$ 15,142