Reconciliation of Operating Loss from Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Reportable segments operating loss	$ (55,559)	$ (49,137)	$ (61,244)	$ (25,993)
Interest expense, net and amortization of deferred financing costs	2,338	5,288	5,257	11,202
Consolidated loss before taxes	$ (57,897)	$ (54,425)	$ (66,501)	$ (37,195)

Interest expense, net and amortization of deferred financing fees

No definition available.

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- Definition

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

+ References

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

+ Details

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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