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           Schedule of Effective Income Tax Rate Reconciliation (Details) 
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        3 Months Ended | |
|---|---|---|
| 
           Mar. 31, 2015 
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           Mar. 31, 2014 
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      |
| Income Tax Disclosure [Abstract] | ||
| Effective tax rate | 36.90%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 39.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 
| X | ||||||||||
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- Definition 
          Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Details 
          
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