Debt Obligations (Changes in Accretable Yield on Securitized Financings) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 27, 2015	Jun. 28, 2014
Accretable Yield Movement on Acquired Securitized Financings
Balance at the beginning of the period	$ 12,128	$ 15,199
Accretion	(812)	(1,061)
Adjustment to cash flows	(575)	130
Balance at the end of the period	$ 10,741	$ 14,268