Segment Reporting (Reconciliation Of Operating Profit (Loss) From Reportable Segments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Jan. 28, 2012	Jan. 29, 2011	Jan. 28, 2012	Jan. 29, 2011
Segment Reporting [Abstract]
Reportable segments operating profit	$ 89,673	$ 113,131	$ 8,719	$ 15,039
Interest, net	8,773	13,639	26,675	39,693
Income (loss) before taxes	$ 80,900	$ 99,492	$ (17,956)	$ (24,654)

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 SEC

-Name Regulation S-X (SX)

-Number 210

-Article 4

-Section 08

-Paragraph h

-Subparagraph 1(i)

Reference 2: 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=6881521&loc=d3e23780-122690

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