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Risk Management and Derivatives (Notional Amounts) (Details) In Thousands, unless otherwise specified			12 Months Ended							12 Months Ended
	Dec. 31, 2013 Sells INR/Buys USD Forward USD ($)	Dec. 31, 2013 Sells INR/Buys USD Forward RSD	Dec. 31, 2013 Sells EUR/Buys USD Forward USD ($)	Dec. 31, 2013 Sells EUR/Buys USD Forward EUR (€)	Dec. 31, 2013 Sells GBP/Buys USD Forward USD ($)	Dec. 31, 2013 Sells GBP/Buys USD Forward GBP (£)	Dec. 31, 2013 Sells CAD/Buys USD Forward USD ($)	Dec. 31, 2013 Sells CAD/Buys USD Forward CAD	Dec. 31, 2013 Interest rate cap USD ($)	Dec. 31, 2013 Interest rate swap USD ($)
Derivative [Line Items]
Notional Amount	$ 7,379	456,000	$ 110,696	€ 80,500	$ 6,295	£ 3,800	$ 39,036	41,500	$ 500,000	$ 27,958
Maturity			Jan. 03, 2014	Jan. 03, 2014	Jan. 03, 2014	Jan. 03, 2014	Jan. 03, 2014	Jan. 03, 2014		Nov. 01, 2019
Derivative, Cap Interest Rate									1.00%
Variable Rate										2.00%
Fixed Rate										3.47%

X

- 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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Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeCapInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Variable interest rate in effect as of the balance sheet date related to the interest rate derivative.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeVariableInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Date the foreign currency exchange rate derivatives mature or expire, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_MaturityOfForeignCurrencyDerivatives1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration