v3.10.0.1

Long-lived Assets (Schedule of Intangible Assets Subject to Amortization, Net) (Details) - USD ($) $ in Millions | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Gross carrying amount | $ 4,530.2 | $ 4,572.9
Accumulated amortization | (3,199.7) | (2,964.4)
Net carrying amount | 1,330.5 | 1,608.5
Customer relationships |  |
Property, Plant and Equipment [Line Items] |  |
Gross carrying amount | 4,013.3 | 4,041.0
Accumulated amortization | (2,958.7) | (2,745.8)
Net carrying amount | 1,054.6 | 1,295.2
Other |  |
Property, Plant and Equipment [Line Items] |  |
Gross carrying amount | 516.9 | 531.9
Accumulated amortization | (241.0) | (218.6)
Net carrying amount | $ 275.9 | $ 313.3

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