|
Fair Values of Financial Instruments Schedule of Fair Values of Financial Instruments (Details) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2014
|
Dec. 31, 2013
|
Sep. 30, 2013
|
Dec. 31, 2012
|
|---|---|---|---|---|
| Assets | ||||
| Cash and cash equivalents | $ 122,475 | $ 124,805 | $ 122,047 | $ 136,411 |
|
USD Denominated Term Loan [Member]
|
||||
| Liabilities | ||||
| USD denominated term loan | 240,000 | 258,750 | ||
|
Reported Value Measurement [Member]
|
||||
| Assets | ||||
| Cash and cash equivalents | 122,475 | 124,805 | ||
| Foreign exchange forwards | 36 | 41 | ||
| Interest Rate Derivative Assets, at Fair Value | 162 | 0 | ||
| Liabilities | ||||
| Interest rate swaps | 1,474 | 2,031 | ||
| Foreign exchange forwards | 252 | 145 | ||
|
Reported Value Measurement [Member] | USD Denominated Term Loan [Member]
|
||||
| Liabilities | ||||
| USD denominated term loan | 240,000 | 258,750 | ||
|
Reported Value Measurement [Member] | Line of Credit [Member]
|
||||
| Liabilities | ||||
| Multicurrency revolving line of credit | 70,000 | 120,000 | ||
|
Estimate of Fair Value Measurement [Member]
|
||||
| Assets | ||||
| Cash and cash equivalents | 122,475 | 124,805 | ||
| Foreign exchange forwards | 36 | 41 | ||
| Interest Rate Derivative Assets, at Fair Value | 162 | 0 | ||
| Liabilities | ||||
| Interest rate swaps | 1,474 | 2,031 | ||
| Foreign exchange forwards | 252 | 145 | ||
|
Estimate of Fair Value Measurement [Member] | USD Denominated Term Loan [Member]
|
||||
| Liabilities | ||||
| Long-term Debt, Fair Value | 239,495 | 258,011 | ||
|
Estimate of Fair Value Measurement [Member] | Line of Credit [Member]
|
||||
| Liabilities | ||||
| Line of Credit Facility, Fair Value of Amount Outstanding | $ 69,836 | $ 119,609 |