Debt Obligations (Changes in Accretable Yield on Securitized Financings) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 01, 2017	Jul. 02, 2016
Accretable Yield Movement on Acquired Securitized Financings
Balance at the beginning of the period	$ 7,636	$ 12,333
Accretion	(871)	(968)
Adjustment to cash flows	(99)	94
Balance at the end of the period	$ 6,666	$ 11,459