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Shareholders' Equity - Schedule of Stock by Class (Details) - shares	May. 02, 2015	May. 03, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Authorized (in shares)	100,000,000	100,000,000
Issued and outstanding (in shares)	39,702,036	39,262,168
In treasury (in shares)	1,346,624	1,342,188

X

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.29)



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-Number 210



-Section 02



-Paragraph 30



-Article 5

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Balance Type:	na
Period Type:	instant

X

- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 505



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-Publisher FASB



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X

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No definition available.

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X

- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.28,29)



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