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Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2012
Intangible Assets |  |  |
Goodwill, Accumulated impairment loss |  |  | $ 606.3
Other indefinite-lived intangible assets, Accumulated impairment loss |  |  | $ 37.1
Summary of the changes in the carrying amount of goodwill and other indefinite-lived intangible assets |  |  |
Goodwill, Beginning Balance | $ 1,270.4 | $ 1,139.0 |
Goodwill, Additions | 83.7 | 165.4 |
Goodwill, Foreign currency translation | (31.3) | (34.0) |
Goodwill, Ending Balance | 1,322.8 | 1,270.4 |
Other indefinite-lived intangible assets, Beginning Balance | 386.6 | 295.6 |
Other indefinite-lived intangible assets, Additions | 31.9 | 101.0 |
Other indefinite-lived intangible assets, Foreign currency translation | (10.5) | (10.0) |
Other indefinite-lived intangible assets, Ending Balance | $ 408.0 | $ 386.6 |

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- Definition The accumulated impairment losses related to indefinite-lived intangible assets other than goodwill as of the balance sheet date. + References No definition available. + Details
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