Derivative Financial Instruments Derivative Financial Instruments Narrative (Details) | 9 Months Ended | 3 Months Ended | 9 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2011
contracts
customers | Jun. 30, 2011
contracts | Sep. 30, 2011
Euro Term Loan Interest Rate Swap [Member]
USD ($) | Sep. 30, 2011
Euro Term Loan Interest Rate Swap [Member] | Jun. 30, 2011
Euro Term Loan Interest Rate Swap [Member] | Dec. 31, 2010
Euro Term Loan Interest Rate Swap [Member]
USD ($) | Dec. 31, 2010
Euro Term Loan Interest Rate Swap [Member]
EUR (€) | Sep. 30, 2011
USD Term Loan Interest Rate Swap June 2011 A [Member]
USD ($) | Jun. 30, 2011
USD Term Loan Interest Rate Swap June 2011 A [Member] | Sep. 30, 2011
USD Term Loan Interest Rate Swap June 2011 B [Member]
USD ($) | Jun. 30, 2011
USD Term Loan Interest Rate Swap June 2011 B [Member] | Sep. 30, 2011
Minimum [Member]
USD ($) | Sep. 30, 2011
Maximum [Member]
USD ($) | Dec. 31, 2010
EUR Denominated Term Loan [Member]
USD ($) | Dec. 31, 2010
EUR Denominated Term Loan [Member]
EUR (€) | |
| Number of USD Term Loan Interest Rate Derivatives Expired | 2 | ||||||||||||||
| Pay fixed interest rate in interst rate swap | 6.59% | 6.59% | 2.11% | 2.15% | |||||||||||
| Percentage rate above EURIBOR receive on interest rate swap | 2.00% | ||||||||||||||
| Derivative, Description of Variable Rate Basis | Interbank Offered Rate (EURIBOR), plus 2%. | ||||||||||||||
| Notional amount of interest rate swaps | $ 147,700,000 | € 112,400,000 | $ 100,000,000 | $ 100,000,000 | |||||||||||
| Notional amount of Euro denominated term loan | 174,000,000 | 132,400,000 | |||||||||||||
| Number of foreign exchange forward contracts entered into YTD | 421 | ||||||||||||||
| Notional amount of foreign currency forward contracts | 50,000 | 72,000,000 | |||||||||||||
| Cash Payment to Terminate Interest Rate Swap | $ 2,900,000 | ||||||||||||||