Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Apr. 25, 2014	Apr. 26, 2013	Apr. 27, 2012
Current:
Federal	$ 7,734	$ (2,602)	$ 32,246
State	(1,236)	3,772	4,082
Total current	6,498	1,170	36,328
Deferred:
Federal	(6,769)	583	(7,248)
State	414	(7,837)	(674)
Total deferred	(6,355)	(7,254)	(7,922)
Total tax provision (benefit)	$ 143	$ (6,084)	$ 28,406

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.