Common Stock Appraisal Demanded And Not Withdrawn Shares

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- Definition

Consideration Received By Acquiree Shareholders, Per Share

+ References

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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.

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- Definition

Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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- Definition

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

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- Definition

Number of pending claims pertaining to a loss contingency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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Commitments and contingencies - Additional information (Details) $ / shares in Units, shares in Millions, $ in Millions			3 Months Ended
	Aug. 01, 2016 employee	May 29, 2014 $ / shares	Aug. 01, 2015 USD ($)	Jul. 30, 2016 shares	May 28, 2014 lawsuit	Mar. 25, 2014 lawsuit
Loss Contingencies [Line Items]
Common stock appraisal demanded and not withdrawn (shares) \| shares				8.8
Zale Corporation
Loss Contingencies [Line Items]
Pending claims \| lawsuit					3	5
Zale Corporation
Loss Contingencies [Line Items]
Consideration received by acquiree shareholders (in dollars per share) \| $ / shares		$ 21.00
Loss contingency accrual, provision			$ 34.2
Loss contingency, accrual, current			$ 34.2
Subsequent Event \| EPA Collective Action
Loss Contingencies [Line Items]
Number of employees opted in lawsuit \| employee	10,094