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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Represents the notional amount of the derivative settled during the period.

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Represents the number of contracts settled during the period.

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- Definition

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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-SubTopic 10
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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

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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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Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

+ References

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Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

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Fair value as of the balance sheet date of interest rate derivative assets, net of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet.

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Number of credit risk derivative instruments held.

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Number of interest rate derivative instruments held by the entity at the reporting date.

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Significant Accounting Policies (Details 7) € in Millions, ¥ in Millions, $ in Millions	3 Months Ended
	Jun. 30, 2015 EUR (€) DerivativeInstrument	Sep. 30, 2015 USD ($) DerivativeInstrument	Sep. 30, 2015 JPY (¥) DerivativeInstrument	Sep. 30, 2015 EUR (€) DerivativeInstrument	Dec. 31, 2014 USD ($) DerivativeInstrument	Dec. 31, 2014 JPY (¥) DerivativeInstrument	Sep. 30, 2014 EUR (€)
Derivative financial instruments
Number of credit-risk-related hedging or derivative activities \| DerivativeInstrument		0	0	0
Gross accumulated other comprehensive income or loss related to derivative activities		$ 25.3			$ 45.8
Interest rate swap \| Designated as Hedging Instrument
Derivative financial instruments
Number of Instruments \| DerivativeInstrument		0	0	0	2	2
Notional Amount					$ 375.0
Interest rate net, fair value					(1.2)
Interest rate swap \| Designated as Hedging Instrument \| Other liabilities.
Derivative financial instruments
Interest rate derivative liabilities, fair value					2.1
Interest rate swap \| Designated as Hedging Instrument \| Deferred costs and other assets
Derivative financial instruments
Interest rate derivative assets, fair value					0.9
USD-Yen currency forward contract \| Designated as Hedging Instrument
Derivative financial instruments
Notional Amount \| ¥			¥ 0.0			¥ 14.7
USD-Yen currency forward contract \| Designated as Hedging Instrument \| Deferred costs and other assets
Derivative financial instruments
Forward contract net, fair value					0.1
USD-Euro currency forward contract \| Designated as Hedging Instrument
Derivative financial instruments
Number of contracts settled \| DerivativeInstrument	1
Notional contract settled during period \| €	€ 50.0
Notional Amount \| €				€ 100.0			€ 150.0
USD-Euro currency forward contract \| Designated as Hedging Instrument \| Deferred costs and other assets
Derivative financial instruments
Forward contract net, fair value		$ 23.1			$ 19.1