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Debt Debt (Senior Notes Due 2026) (Details) - Senior Notes [Member] - EUR (€) | May 02, 2018 | Jun. 03, 2015
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Senior Notes 4.75% Due 2022 [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Face Amount |  | € 515,000,000.0
Stated interest rate |  | 4.75%
Subsequent Event [Member] | Senior Notes 3.625% Due 2026 [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Face Amount | € 515,000,000 |
Stated interest rate | 3.625% |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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