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Derivative Instruments (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Dec. 31, 2017
Derivative Instruments (Textual) [Abstract] |  |  |
Range of durations of foreign currency forward contracts | 12 months |  |
Gain/Loss on fair value of foreign currency forward contracts | $ 142.0 |  | $ (113.0)
Net gains (losses) of other income (expense) related to foreign currency forward contracts | $ (5.6) | $ 1.6 |
Minimum |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Range of durations of foreign currency forward contracts | 1 month |  |
Maximum |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Range of durations of foreign currency forward contracts | 21 months |  |
Not designated as hedging instrument |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Aggregate notional amount | $ 572.2 |  | 564.9
Other current assets | Designated as hedging instrument |  |  |
Summary of Derivatives designated as Hedging Instruments |  |  |
Derivative asset, fair value, net | 1.8 |  | 0.7
Other current assets | Not designated as hedging instrument |  |  |
Summary of Derivatives designated as Hedging Instruments |  |  |
Derivative asset, fair value, net | 1.4 |  | 1.8
Investments and other assets | Designated as hedging instrument |  |  |
Summary of Derivatives designated as Hedging Instruments |  |  |
Derivative asset, fair value, net |  |  | 0.2
Accrued expenses and other | Designated as hedging instrument |  |  |
Summary of Derivatives designated as Hedging Instruments |  |  |
Derivative liability, fair value, net | 114.1 |  | 84.7
Accrued expenses and other | Not designated as hedging instrument |  |  |
Summary of Derivatives designated as Hedging Instruments |  |  |
Derivative liability, fair value, net | 1.4 |  | 3.0
Other long-term liabilities | Designated as hedging instrument |  |  |
Summary of Derivatives designated as Hedging Instruments |  |  |
Derivative liability, fair value, net | 32.2 |  | 23.6
Foreign exchange contract | Designated as hedging instrument |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Aggregate notional amount | 1,971.3 |  | 2,198.7
Interest rate swap | Designated as hedging instrument |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Aggregate notional amount | 675.0 |  |
Revenue | Cash flows, revenue | Foreign exchange contract |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Net gains (losses) in operating income for the settlement of certain effective cash flow hedge instruments | (32.9) | 6.7 |
Net gains (losses) in net income of foreign currency forward contracts due to exclusion from effectiveness testing | (0.9) |  |
Operating expense | Cash flows, operating expenses | Foreign exchange contract |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Net gains (losses) in operating income for the settlement of certain effective cash flow hedge instruments | 1.3 | (0.1) |
Other income (expense) | Cash flows, revenue | Foreign exchange contract |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Net gains (losses) in net income of foreign currency forward contracts due to exclusion from effectiveness testing |  | 4.0 |
Other income (expense) | Cash flows, operating expenses | Foreign exchange contract |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Net gains (losses) in net income of foreign currency forward contracts due to exclusion from effectiveness testing | (0.3) | $ (0.2) |
Euro | Foreign exchange contract | Designated as hedging instrument |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Aggregate notional amount | 1,734.9 |  | 1,875.6
British pound | Foreign exchange contract | Designated as hedging instrument |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Aggregate notional amount | 110.5 |  | 150.9
Canadian dollar | Foreign exchange contract | Designated as hedging instrument |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Aggregate notional amount | 65.5 |  | 83.5
Swiss franc | Foreign exchange contract | Designated as hedging instrument |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Aggregate notional amount | $ 60.4 |  | $ 88.7
2.900% Senior Notes due 2020 |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Senior Notes interest rate | 2.90% |  |
Short-term derivative [Member] |  |  |
Derivative Instruments (Textual) [Abstract] |  |  |
Unrealized gain (loss) on foreign currency derivatives, net, before tax | $ 127.1 |  |

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- Definition Amount of net unrealized gain (loss) related to the change in fair value of foreign currency exchange rate derivatives designated as cash flow hedging instruments. Recorded in accumulated other comprehensive income to the extent that the cash flow hedge is determined to be effective. + References No definition available. + Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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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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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82849420&loc=SL20226000-175313 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=82924980&loc=SL51823488-111719 + Details
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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624177-113959 + Details
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- Definition The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1),(2) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
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- Definition Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5618551-113959 + Details
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- Definition Amount of net unrealized gain (loss) related to the change in fair value of foreign currency exchange rate derivatives designated as cash flow hedging instruments. Recorded in accumulated other comprehensive income to the extent that the cash flow hedge is determined to be effective. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 + Details
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