Consolidated Statement of Changes in Shareholders' Equity (Parenthetical)	6 Months Ended
Oct. 29, 2016 shares
Common stock options exercised, shares	31,000
Purchase of treasury stock related to stock-based compensation, shares	91,000
Treasury stock repurchased, shares	1,708,778

Number of share options (or share units) exercised during the current period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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