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 effective portion of 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)

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Amount of decrease in the fair value of derivatives recognized in the income statement.

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- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

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No definition available.

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- Definition

Aggregate impact of foreign currency derivatives on earnings for the period. Includes impact of foreign currency cash flow hedge ineffectiveness and the ineffectiveness of fair value hedging derivatives and full change in fair value of the 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 4A

-Subparagraph (b)

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-Topic 815

-SubTopic 25

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-Paragraph 1

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Maximum period of time the entity is hedging its exposure to variability in future cash flows for forecasted transactions, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes forecasted transactions related to payment of variable interest on existing financial instruments.

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-Name Accounting Standards Codification

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-SubTopic 30

-Section 50

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

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

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Derivatives and Hedging Instruments - Additional Information (Detail) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended			1 Months Ended				6 Months Ended
	Jun. 30, 2013 USD ($) Interest_Rate_Swaps	Jun. 30, 2012 USD ($)	Jun. 30, 2013 USD ($) Interest_Rate_Swaps	Jun. 30, 2012 USD ($)	Jun. 30, 2013 Interest rate swaps [Member] USD ($)	Jun. 28, 2013 Forward contracts [Member] USD ($)	Jun. 30, 2013 Forward contracts [Member] USD ($)	Jun. 07, 2013 Zero cost collar foreign exchange contract [Member] USD ($)	Jun. 07, 2013 Zero cost collar foreign exchange contract [Member] EUR (€)	Jun. 30, 2013 Zero cost collar foreign exchange contract [Member] Subsequent Event [Member]
Derivative [Line Items]
Notional amount of derivative instruments					$ 75.0		$ 46.4	$ 206.0	€ 132.1
Number of interest rate swap agreements outstanding	3		3
Cash payments of future forecasted transactions in Indian rupees maximum			36 months
Net derivative loss included in OCI will be reclassified into earnings			1.9
Gains or losses were reclassified from OCI into earnings	0	0	0	0
Derivative expiry date										Aug. 13, 2013
Foreign exchange contract loss						$ 3.6