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Net Investment Hedge (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Oct. 31, 2016 USD ($) | Oct. 31, 2016 EUR (€) | Oct. 10, 2016 EUR (€)
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |
Face value of senior subordinated notes | $ 1,643,448,000.000 | $ 1,459,100,000 |  |  |  |
Foreign currency translation income loss | 18,687,000 | $ (20,842,000) | $ (10,387,000) |  |  |
4.125% Senior Subordinated Notes Due 2026 [Member] | Senior Subordinate Notes [Member] |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |
Face value of senior subordinated notes |  |  |  | $ 222,200,000.0 | € 200,000,000.0 | € 200,000,000
Foreign currency translation income loss | $ 13,000,000 |  |  |  |  |

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