Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

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The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4H
-Subparagraph (d)
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
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Amount of gain (loss) from the increase (decrease) in fair value of foreign currency derivatives and nonderivative instruments designated as fair value hedging instruments which were recognized in earnings, net of offsets by the gain (loss) on the hedged item to the extent that the fair value hedge was determined to be effective.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Subparagraph (a)
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Derivative Contracts - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	May 09, 2016
Foreign Exchange Contracts \| Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Purchase of US and foreign exchange	$ 751.6	$ 665.6
Collateral provided to counterparties as security for the Company's net liability position	0.6	0.0
Foreign Exchange Contracts \| Not Designated as Hedging Instrument \| Derivative At Fair Value
Derivative Instruments, Gain (Loss) [Line Items]
Purchase of US and foreign exchange	577.7	240.2
Foreign Exchange Contracts \| Not Designated as Hedging Instrument \| Liabilities Under Derivative Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Purchase of US and foreign exchange	173.9	425.4
Foreign Exchange Contracts \| Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Collateral provided to counterparties as security for the Company's net liability position	0.0	2.2
Foreign Exchange Contracts \| Designated as Hedging Instrument \| Derivative At Fair Value
Derivative Instruments, Gain (Loss) [Line Items]
Purchase of US and foreign exchange	60.6	0.0
Foreign Exchange Contracts \| Designated as Hedging Instrument \| Liabilities Under Derivative Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Purchase of US and foreign exchange	0.0	108.6
Foreign Exchange Contracts \| Change In Fair Value Of Derivatives \| Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) to net income from derivative instruments	27.7	(21.5)
Foreign Exchange Contracts \| Net change from current period hedged transactions \| Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on foreign currency fair value hedge derivatives	3.0	0.7
Foreign Exchange Contracts \| General, administrative and corporate expenses \| Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on foreign currency fair value hedge derivatives	4.4	(8.7)
Interest Rate Swaps \| Change In Fair Value Of Derivatives \| Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) to net income from derivative instruments	$ 0.0	$ (3.1)
Goldman Sachs International
Derivative Instruments, Gain (Loss) [Line Items]
Purchase of US and foreign exchange			$ 256.3