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Acquisitions - Proforma Results of Operations (Details) (Zale, USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended
May 03, 2014
Zale
 
Business Acquisition [Line Items]  
Pro forma sales $ 1,479.4us-gaap_BusinessAcquisitionsProFormaRevenue
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Pro forma net income $ 115.0us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
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Pro forma earnings per share – basic (in dollars per share) $ 1.44us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic
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Pro forma earnings per share – diluted (in dollars per share) $ 1.43us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted
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