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Goodwill and Other Intangible Assets - Goodwill and Intangible Assets (Details) - USD ($) $ in Millions | Jun. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Indefinite-lived Intangible Assets by Major Class [Line Items] |  |
Goodwill | $ 1,272.3 | $ 1,257.4
Accumulated impairment loss | 513.4 | 513.4
Finite-lived: |  |
Gross | 449.7 | 442.5
Accumulated Amortization | 285.3 | 266.6
Net | 164.4 | 175.9
Indefinite-lived: |  |
Indefinite-lived intangible assets (excluding goodwill) | 150.9 | 150.6
Total intangible assets |  |
Gross | 600.6 | 593.1
Accumulated Amortization | 285.3 | 266.6
Net | 315.3 | 326.5
Intangible Assets, Future Amortization Expense by Fiscal Year [Abstract] |  |
Estimated amortization expense, remainder of 2016 | 18.7 |
Estimated amortization expense, 2017 | 33.7 |
Estimated amortization expense, 2018 | 30.9 |
Estimated amortization expense, 2019 | 26.6 |
Estimated amortization expense, 2020 | 21.6 |
Estimated amortization expense, 2021 | 10.0 |
Tradenames |  |
Indefinite-lived: |  |
Indefinite-lived intangible assets (excluding goodwill) | 54.0 | 54.0
Accumulated impairment loss | 139.5 | 139.5
Reacquired franchise rights |  |
Indefinite-lived: |  |
Indefinite-lived intangible assets (excluding goodwill) | 96.9 | 96.6
Customer relationships |  |
Finite-lived: |  |
Gross | 432.6 | 425.6
Accumulated Amortization | 274.2 | 256.7
Net | 158.4 | 168.9
Other |  |
Finite-lived: |  |
Gross | 17.1 | 16.9
Accumulated Amortization | 11.1 | 9.9
Net | $ 6.0 | $ 7.0

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