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Debt (Details) - EUR (€) |  | 9 Months Ended
--- | --- | ---
Sep. 11, 2015 | Sep. 30, 2015
Senior notes | Notes due September 2022 |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount | € 400,000,000 |
Stated interest rate | 1.875% |
Net proceeds from the Notes | € 397,400,000 |
Discounted issue price (as a percent) | 99.753% |
Effective interest rate | 1.913% |
Line of credit | Five Year Credit Agreement |  |
Debt Instrument [Line Items] |  |
Credit agreement term |  | 5 years

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