CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 27, 2013	Oct. 28, 2012	Oct. 27, 2013	Oct. 28, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 8,037	$ (6,653)	$ 3,175	$ 8
Other comprehensive income, net of tax:
Deferred hedge adjustment, net of income tax provision of $59 and $149 for the three and six months ended October 27, 2013, respectively, and $88 and $178 for the three and six months ended October 28, 2012, respectively	99	149	247	297
Unrealized gain on interest rate cap contracts, net of income tax provision of $8 for the six months ended October 28, 2012				14
Other comprehensive income	99	149	247	311
Comprehensive income (loss)	$ 8,136	$ (6,504)	$ 3,422	$ 319