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Divestitures (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2015 USD ($) stores | Mar. 31, 2014 USD ($)
Import Stores Divested [Member] |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of stores divested | stores | 2 |
Gain on disposal | $ 1.4 |
Gain on disposal, net of taxes | $ 0.9 |
Customer Lead Distribution Business [Member] |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Gain on disposal |  | $ 8.4
Gain on disposal, net of taxes |  | $ 5.2

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