Debt Obligations (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012	Dec. 31, 2011
Accretable Yield Movement on Acquired Securitized Financings
Balance at the beginning of the period	$ 23,679	$ 29,779	$ 26,032
Additions				32,072
Accretion	(1,245)	(1,521)	(3,988)	(3,814)
Reclassifications from nonaccretable discount	(190)		200
Balance at the end of the period	$ 22,244	$ 28,258	$ 22,244	$ 28,258