Reconciliation of Operating Income (Loss) from Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Nov. 01, 2014	Oct. 26, 2013	Nov. 01, 2014	Oct. 26, 2013
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Reportable segments operating profit (loss)	$ 18,360	$ 21,985	$ (2,358)	$ (41,959)
Interest expense, net and amortization of deferred financing costs	5,302	7,555	11,222	15,107
Consolidated income (loss) before taxes	$ 13,058	$ 14,430	$ (13,580)	$ (57,066)

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(1)(i))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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