Fair Value Measurements (Details 2) (Long-term note receivable, USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Jul. 25, 2014		Apr. 25, 2014
Long-term note receivable
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Carrying Value at the Beginning of the Period	$ 16,018		$ 13,570
Accretion	445	[1]	1,918	[1]
Interest, net realized/unrealized gains	114	[1]	530	[1]
Carrying Value at the End of the Period	$ 16,577		$ 16,018

[1] Reflected in the “Net interest expense (income)” line in the Consolidated Statements of Operations.