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v3.10.0.1

Notes Payable and Long-Term Debt (Details) | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2018 USD ($) | Dec. 31, 2017 USD ($) | Jun. 30, 2018 EUR (€) | Dec. 31, 2017 EUR (€) | Jul. 20, 2016 USD ($)
Long-term debt |  |  |  |  |
Long-term Debt | $ 2,105,300,000 | $ 2,119,500,000 |  |  |
Current portion of long-term debt | 2,800,000 | 15,800,000 |  |  |
Long-term debt, net of current portion | $ 2,102,500,000 | $ 2,103,700,000 |  |  |
Short-term Debt, Weighted Average Interest Rate, at Point in Time | 3.20% | 3.10% | 3.20% | 3.10% |
Debt weighted average interest rate | 3.40% | 3.80% | 3.40% | 3.80% |
Maximum borrowing capacity | $ 1,500,000,000 |  |  |  |
Estimated fair value of senior unsecured notes | 2,153,800,000 | $ 2,209,100,000 |  |  |
Fair value higher than carrying value for senior unsecured notes | 77,200,000 | 116,100,000 |  |  |
Letters of Credit Outstanding, Amount | 29,300,000 | 31,400,000 |  |  |
Short Term Borrowings [Member] |  |  |  |  |
Short-term debt |  |  |  |  |
Short-term borrowings | 67,700,000 | 68,800,000 |  |  |
8.00% Senior Notes [Member] |  |  |  |  |
Long-term debt |  |  |  |  |
Long-term Debt | 136,400,000 | 137,400,000 |  |  |
Debt instrument par value | $ 134,000,000 | $ 134,000,000 |  |  |
Debt instrument stated interest rate | 8.00% | 8.00% | 8.00% | 8.00% |
Debt instrument maturity date | Oct. 01, 2019 | Oct. 01, 2019 |  |  |
4.625% Senior Notes [Member] |  |  |  |  |
Long-term debt |  |  |  |  |
Long-term Debt | $ 251,200,000 | $ 251,400,000 |  |  |
Debt instrument par value | $ 250,000,000 | $ 250,000,000 |  |  |
Debt instrument stated interest rate | 4.625% | 4.625% | 4.625% | 4.625% |
Debt instrument maturity date | Sep. 15, 2020 | Sep. 15, 2020 |  |  |
1.80% Senior Notes [Member] |  |  |  |  |
Long-term debt |  |  |  |  |
Long-term Debt | $ 580,100,000 | $ 595,700,000 |  |  |
Debt instrument par value | € |  |  | € 500,000,000 | € 500,000,000 |
Debt instrument stated interest rate | 1.80% | 1.80% | 1.80% | 1.80% |
Debt instrument maturity date | Nov. 07, 2022 | Nov. 07, 2022 |  |  |
3.375% Senior Notes [Member] |  |  |  |  |
Long-term debt |  |  |  |  |
Long-term Debt | $ 496,300,000 | $ 496,100,000 |  |  |
Debt instrument par value | $ 500,000,000 | $ 500,000,000 |  |  |
Debt instrument stated interest rate | 3.375% | 3.375% | 3.375% | 3.375% |
Debt instrument maturity date | Mar. 15, 2025 | Mar. 15, 2025 |  |  |
7.125% Senior Notes [Member] |  |  |  |  |
Long-term debt |  |  |  |  |
Long-term Debt | $ 119,000,000 | $ 118,900,000 |  |  |
Debt instrument par value | $ 121,000,000 | $ 121,000,000 |  |  |
Debt instrument stated interest rate | 7.125% | 7.125% | 7.125% | 7.125% |
Debt instrument maturity date | Feb. 15, 2029 | Feb. 15, 2029 |  |  |
4.375% Senior Notes [Member] |  |  |  |  |
Long-term debt |  |  |  |  |
Long-term Debt | $ 493,600,000 | $ 493,500,000 |  |  |
Debt instrument par value | $ 500,000,000 | $ 500,000,000 |  |  |
Debt instrument stated interest rate | 4.375% | 4.375% | 4.375% | 4.375% |
Debt instrument maturity date | Mar. 15, 2045 | Mar. 15, 2045 |  |  |
Revolving Credit Facility [Member] |  |  |  |  |
Long-term debt |  |  |  |  |
Current borrowing capacity | $ 1,200,000,000 |  |  |  |
Term Loan Facilities And Other [Member] |  |  |  |  |
Long-term debt |  |  |  |  |
Long-term Debt | 28,700,000 | $ 26,500,000 |  |  |
Interest rate swaps |  |  |  |  |
Long-term debt |  |  |  |  |
Derivative, Notional Amount |  |  |  |  | $ 384,000,000
Commercial Paper [Member] |  |  |  |  |
Long-term debt |  |  |  |  |
Current borrowing capacity | 1,200,000,000.0 |  |  |  |
2016 swap termination event [Member] | Unamortized portion of interest rate swap | 8.00% Senior Notes [Member] |  |  |  |  |
Long-term debt |  |  |  |  |
Derivative assets | 600,000 | 800,000 |  |  |
2016 swap termination event [Member] | Unamortized portion of interest rate swap | 4.625% Senior Notes [Member] |  |  |  |  |
Long-term debt |  |  |  |  |
Derivative assets | 2,400,000 | 2,900,000 |  |  |
2009 swap termination event [Member] | Unamortized portion of interest rate swap | 8.00% Senior Notes [Member] |  |  |  |  |
Long-term debt |  |  |  |  |
Derivative assets | $ 1,900,000 | $ 2,700,000 |  |  |

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