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v3.3.1.900

Intangible Assets, net (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) item | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Intangible assets subject to amortization: |  |  |
Intangible assets subject to amortization, Gross Carrying Amount | $ 674.7 | $ 712.3 |
Intangible assets subject to amortization, Accumulated Amortization | (299.6) | (262.6) |
Intangible assets |  |  |
Intangible assets, Gross Carrying Amount | 1,425.0 | 1,490.0 |
Changes in intangible assets due to foreign currency translation losses | 13.5 |  |
Impairment losses of intangible assets, indefinte-lived | 21.2 |  | $ 14.9
Impairment losses of intangible assets, finite-lived | 14.4 |  |
Impairment losses of intangible assets |  | 0.0 |
Amortization expense for intangible assets | 53.7 | 56.7 | $ 54.9
Summary of estimated aggregate amortization expense for each of the next five years |  |  |
2016 | 49.3 |  |
2017 | 45.1 |  |
2018 | 40.8 |  |
2019 | 40.6 |  |
2020 | 40.7 |  |
Trade names |  |  |
Intangible assets not subject to amortization: |  |  |
Intangible assets not subject to amortization, Gross Carrying Amount | $ 750.3 | 777.7 |
Intangible assets |  |  |
Number of intangible assets subject to impairment | item | 5 |  |
Impairment losses of intangible assets, indefinte-lived | $ 21.2 |  |
Covenants not to compete |  |  |
Intangible assets subject to amortization: |  |  |
Weighted average amortizable life in years | 4 years 4 months 24 days |  |
Intangible assets subject to amortization, Gross Carrying Amount | $ 1.3 | 2.3 |
Intangible assets subject to amortization, Accumulated Amortization | $ (1.0) | (1.7) |
Customer lists/relationships |  |  |
Intangible assets subject to amortization: |  |  |
Weighted average amortizable life in years | 14 years 8 months 12 days |  |
Intangible assets subject to amortization, Gross Carrying Amount | $ 659.0 | 694.7 |
Intangible assets subject to amortization, Accumulated Amortization | $ (285.7) | (249.3) |
Intangible assets |  |  |
Number of intangible assets subject to impairment | item | 2 |  |
Impairment losses of intangible assets, finite-lived | $ 14.4 |  |
Software - internal use |  |  |
Intangible assets subject to amortization: |  |  |
Weighted average amortizable life in years | 10 years |  |
Intangible assets subject to amortization, Gross Carrying Amount | $ 8.1 | 8.1 |
Intangible assets subject to amortization, Accumulated Amortization | $ (7.9) | (7.1) |
Other |  |  |
Intangible assets subject to amortization: |  |  |
Weighted average amortizable life in years | 5 years 3 months 18 days |  |
Intangible assets subject to amortization, Gross Carrying Amount | $ 6.3 | 7.2 |
Intangible assets subject to amortization, Accumulated Amortization | $ (5.0) | $ (4.5) |

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