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v3.8.0.1

Debt (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Apr. 06, 2016 | Oct. 31, 2015
Credit Facilities [Abstract] |  |  |  |  |
Available and unused credit lines | $ 3,681.0 | $ 3,632.0 |  |  |
Short-Term Borrowings [Abstract] |  |  |  |  |
Short-term debt | $ 11.8 | $ 28.7 |  |  |
Short-term borrowings, weighted average interest rate | 2.60% | 9.80% |  |  |
Long-Term Debt [Abstract] |  |  |  |  |
Long-term debt, carrying amount | $ 4,900.0 | $ 4,900.1 |  |  |
Unamortized premium (discount), net | 6.2 | 7.6 |  |  |
Unamortized debt issuance costs | (20.3) | (24.2) |  |  |
Unamortized deferred gain from settlement of interest rate swaps | 66.4 | 84.7 |  |  |
Fair value adjustment attributed to outstanding interest rate swaps | (39.4) | (47.6) |  |  |
Long-term debt, total | 4,912.9 | 4,920.6 |  |  |
Long-term debt, current portion | 0.0 | (0.1) |  |  |
Long-Term Debt | 4,912.9 | 4,920.5 |  |  |
Components of Interest Expense [Abstract] |  |  |  |  |
Interest expense, Long-term debt | 201.6 | 205.5 | $ 210.2 |  |
Interest expense, Interest rate swaps | (7.2) | (13.1) | (44.1) |  |
Interest expense, Amortization of deferred gain on interest rate swaps | (12.9) | (15.4) | (9.2) |  |
Interest expense, Commercial paper | 12.5 | 6.8 | 4.8 |  |
Interest expense, Fees | 5.6 | 5.6 | 5.7 |  |
Interest expense, Other | 24.9 | 20.3 | 13.7 |  |
Interest expense, total | 224.5 | 209.7 | $ 181.1 |  |
Contractual Maturities of Long-Term Debt [Abstract] |  |  |  |  |
Contractual maturities of long-term debt, 2018 | 0.0 |  |  |  |
Contractual maturities of long-term debt, 2019 | 500.0 |  |  |  |
Contractual maturities of long-term debt, 2020 | 1,000.0 |  |  |  |
Contractual maturities of long-term debt, 2021 | 0.0 |  |  |  |
Contractual maturities of long-term debt, 2022 | 1,250.0 |  |  |  |
Contractual maturities of long-term debt, Thereafter | 2,150.0 |  |  |  |
Contractual maturities of long-term debt | 4,900.0 |  |  |  |
Interest Rate Swaps on 2024 Notes [Member] |  |  |  |  |
Long-Term Debt [Abstract] |  |  |  |  |
Interest rate swaps, notional amount |  |  |  |  | $ 750.0
Interest rate swaps, fixed interest rate |  |  |  |  | 3.65%
Interest rate swaps, liability, at fair value | 14.7 | 17.1 |  |  |
Interest Rate Swaps on 2024 Notes [Member] | LIBOR [Member] |  |  |  |  |
Long-Term Debt [Abstract] |  |  |  |  |
Interest rate swaps, variable interest rate spread |  |  |  |  | 1.72%
Interest Rate Swaps on 2026 Notes [Member] |  |  |  |  |
Long-Term Debt [Abstract] |  |  |  |  |
Interest rate swaps, notional amount |  |  |  | $ 500.0 |
Interest rate swaps, fixed interest rate |  |  |  | 3.60% |
Interest rate swaps, liability, at fair value | 24.7 | 30.5 |  |  |
Interest Rate Swaps on 2026 Notes [Member] | LIBOR [Member] |  |  |  |  |
Long-Term Debt [Abstract] |  |  |  |  |
Interest rate swaps, variable interest rate spread |  |  |  | 1.982% |
Credit Facility |  |  |  |  |
Credit Facilities [Abstract] |  |  |  |  |
Credit Facility, maximum borrowing capacity | $ 2,500.0 |  |  |  |
Credit Facility, expiration date | Jul. 31, 2021 |  |  |  |
Available and unused credit lines | $ 2,500.0 | 2,500.0 |  |  |
Credit Facility, covenant terms | The Credit Facility contains financial covenants that require us to maintain a Leverage Ratio of consolidated indebtedness to consolidated EBITDA of no more than 3 times for the most recently ended 12-month period (EBITDA is defined as earnings before interest, taxes, depreciation and amortization) and an Interest Coverage Ratio of consolidated EBITDA to interest expense of at least 5 times for the most recently ended 12-month period. |  |  |  |
Credit Facility, covenant compliance | At December 31, 2017 we were in compliance with these covenants as our Leverage Ratio was 2.1 times and our Interest Coverage Ratio was 10.4 times. |  |  |  |
Commercial Paper [Member] |  |  |  |  |
Credit Facilities [Abstract] |  |  |  |  |
Credit Facility, maximum borrowing capacity | $ 2,000.0 |  |  |  |
Uncommitted credit lines |  |  |  |  |
Credit Facilities [Abstract] |  |  |  |  |
Available and unused credit lines | 1,181.0 | 1,132.0 |  |  |
6.25% Senior Notes due 2019 |  |  |  |  |
Long-Term Debt [Abstract] |  |  |  |  |
Long-term debt, carrying amount | $ 500.0 | 500.0 |  |  |
Long-term debt, interest rate | 6.25% |  |  |  |
Long-term debt, maturity date | Jul. 15, 2019 |  |  |  |
4.45% Senior Notes due 2020 |  |  |  |  |
Long-Term Debt [Abstract] |  |  |  |  |
Long-term debt, carrying amount | $ 1,000.0 | 1,000.0 |  |  |
Long-term debt, interest rate | 4.45% |  |  |  |
Long-term debt, maturity date | Aug. 15, 2020 |  |  |  |
3.625% Senior Notes due 2022 |  |  |  |  |
Long-Term Debt [Abstract] |  |  |  |  |
Long-term debt, carrying amount | $ 1,250.0 | 1,250.0 |  |  |
Long-term debt, interest rate | 3.625% |  |  |  |
Long-term debt, maturity date | May 01, 2022 |  |  |  |
3.65% Senior Notes due 2024 |  |  |  |  |
Long-Term Debt [Abstract] |  |  |  |  |
Long-term debt, carrying amount | $ 750.0 | 750.0 |  |  |
Long-term debt, interest rate | 3.65% |  |  |  |
Long-term debt, maturity date | Nov. 01, 2024 |  |  |  |
3.60% Senior Notes due 2026 |  |  |  |  |
Long-Term Debt [Abstract] |  |  |  |  |
Long-term debt, carrying amount | $ 1,400.0 | 1,400.0 |  |  |
Long-term debt, interest rate | 3.60% |  |  |  |
Long-term debt, maturity date | Apr. 15, 2026 |  |  |  |
Other debt |  |  |  |  |
Long-Term Debt [Abstract] |  |  |  |  |
Long-term debt, carrying amount | $ 0.0 | $ 0.1 |  |  |

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