Debt Obligations (Changes in Accretable Yield on Securitized Financings) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015
Accretable Yield Movement on Acquired Securitized Financings
Balance at the beginning of the period	$ 11,459	$ 10,741	$ 12,333	$ 12,128
Accretion	(938)	(741)	(1,906)	(1,553)
Adjustment to cash flows	(731)	3,993	(637)	3,418
Balance at the end of the period	$ 9,790	$ 13,993	$ 9,790	$ 13,993