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Goodwill and Other Intangible Assets - Goodwill and Intangible Assets (Details) - USD ($) $ in Millions | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Indefinite-lived Intangible Assets by Major Class [Line Items] |  |
Goodwill | $ 1,284.1 | $ 1,257.4
Accumulated impairment loss | 513.4 | 513.4
Finite-lived: |  |
Gross | 452.9 | 442.5
Accumulated Amortization | 294.6 | 266.6
Net | 158.3 | 175.9
Indefinite-lived: |  |
Indefinite-lived intangible assets (excluding goodwill) | 150.8 | 150.6
Total intangible assets |  |
Gross | 603.7 | 593.1
Accumulated Amortization | 294.6 | 266.6
Net | 309.1 | 326.5
Intangible Assets, Future Amortization Expense by Fiscal Year [Abstract] |  |
Estimated amortization expense, remainder of 2016 | 9.6 |
Estimated amortization expense, 2017 | 33.6 |
Estimated amortization expense, 2018 | 30.7 |
Estimated amortization expense, 2019 | 26.6 |
Estimated amortization expense, 2020 | 21.5 |
Estimated amortization expense, 2021 | 11.0 |
Tradenames |  |
Indefinite-lived: |  |
Indefinite-lived intangible assets (excluding goodwill) | 52.0 | 54.0
Accumulated impairment loss | 139.5 | 139.5
Reacquired franchise rights |  |
Indefinite-lived: |  |
Indefinite-lived intangible assets (excluding goodwill) | 98.8 | 96.6
Customer relationships |  |
Finite-lived: |  |
Gross | 434.6 | 425.6
Accumulated Amortization | 283.1 | 256.7
Net | 151.5 | 168.9
Other |  |
Finite-lived: |  |
Gross | 18.3 | 16.9
Accumulated Amortization | 11.5 | 9.9
Net | $ 6.8 | $ 7.0

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