v2.4.0.8

Terms of Interest Rate Swap Agreements (Details) In Thousands, unless otherwise specified | Mar. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Mar. 31, 2014 Interest rate swaps US Dollar Notional Amount USD ($) | Dec. 31, 2013 Interest rate swaps US Dollar Notional Amount USD ($) | Mar. 31, 2014 Interest rate swaps Pound Sterling Notional Amount USD ($) | Mar. 31, 2014 Interest rate swaps Pound Sterling Notional Amount GBP (£) | Dec. 31, 2013 Interest rate swaps Pound Sterling Notional Amount USD ($) | Dec. 31, 2013 Interest rate swaps Pound Sterling Notional Amount GBP (£) | Mar. 31, 2014 Interest rate swaps Canadian Dollar Notional Amount USD ($) | Mar. 31, 2014 Interest rate swaps Canadian Dollar Notional Amount CAD | Dec. 31, 2013 Interest rate swaps Canadian Dollar Notional Amount USD ($) | Dec. 31, 2013 Interest rate swaps Canadian Dollar Notional Amount CAD | Dec. 31, 2013 Foreign currency forward contracts Pound Sterling Notional Amount USD ($) | Dec. 31, 2013 Foreign currency forward contracts Pound Sterling Notional Amount GBP (£) | Mar. 31, 2014 Foreign currency forward contracts Euro Notional Amount USD ($) | Mar. 31, 2014 Foreign currency forward contracts Euro Notional Amount EUR (€) | Dec. 31, 2013 Foreign currency forward contracts Euro Notional Amount USD ($) | Dec. 31, 2013 Foreign currency forward contracts Euro Notional Amount EUR (€)
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  | $ 420,000 | $ 420,000 |  | £ 50,000 |  | £ 50,000 |  | 25,000 |  | 25,000 |  | £ 70,000 |  | € 149,976 |  | € 149,976
Derivative Liabilities, Current | 11,533 | 21,818 |  |  |  |  |  |  |  |  |  |  | 10,186 |  | 11,533 |  | 11,632 |
Derivative Liabilities, Noncurrent | $ 7,760 | $ 8,470 | $ 7,234 | $ 8,099 | $ 469 |  | $ 345 |  | $ 57 |  | $ 26 |  |  |  |  |  |  |

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