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Long-Term Debt - Additional Information (Details) $ in Thousands, € in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 USD ($) | Mar. 31, 2017 EUR (€) | Mar. 31, 2017 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) | Dec. 31, 2016
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of long-term debt |  |  |  |  | $ 751,209 | $ 382,162 |
Payments of debt premium |  |  | $ 45,200 |  |  |  |
Loss on early extinguishment of debt |  |  |  |  | 52,801 | 0 |
Net investment hedge gain (loss) | $ (14,234) |  |  | $ 6,607 | $ (27,919) | $ (2,917) |
3.00% Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, interest rate | 3.00% | 3.00% | 3.00% |  | 3.00% |  | 3.00%
1.875% Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, interest rate | 1.875% | 1.875% | 1.875% |  | 1.875% |  | 1.875%
4.50% Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, interest rate | 4.50% | 4.50% | 4.50% |  | 4.50% |  | 4.50%
Commercial Paper |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Weighted average interest rate | 1.71% |  |  |  | 1.71% |  |
Debt instrument maturity period |  |  |  |  | 28 days |  |
Senior Notes | 3.00% Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of long-term debt |  |  | $ 250,000 |  |  |  |
Senior Notes | 1.875% Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of long-term debt | € |  | € 307.0 |  |  |  |  |
Senior Notes | 4.50% Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of long-term debt |  |  | $ 174,700 |  |  |  |

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