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Derivatives and Other Financial Instruments and Hedging Activities (Details Textual)
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1 Months Ended | 3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
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Jan. 28, 2011
USD ($)
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Jun. 30, 2012
USD ($)
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Jul. 02, 2011
USD ($)
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Jun. 30, 2012
USD ($)
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Dec. 31, 2011
USD ($)
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Sep. 17, 2009
Tranche 1 Sub-Facility [Member]
USD ($)
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Jan. 19, 2011
2010 FX Forward Contracts [Member]
USD ($)
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Jun. 30, 2012
2011 FX Forward Contracts [Member]
USD ($)
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Jun. 30, 2012
2011 FX Forward Contracts [Member]
EUR (€)
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| Derivatives and Other Financial Instruments and Hedging Activities (Textual) [Abstract] | |||||||||
| Notional amount of derivatives | $ 26,488,000 | $ 26,488,000 | $ 43,945,000 | $ 26,500,000 | € 18,500,000 | ||||
| Termination and settlement of derivatives | 500,000 | ||||||||
| Percentage of term loan debt | 92.00% | ||||||||
| Interest Rate Swap | 3,900,000 | ||||||||
| Derivatives and Other Financial Instruments and Hedging Activities (Additional Textual) [Abstract] | |||||||||
| Gain from 2010 Foreign Exchange Forward Contract | 30,000 | ||||||||
| Loss from 2011 Foreign Exchange Forward Contract | 100,000 | ||||||||
| Interest expense, net | $ 200,000 | $ 12,738,000 | $ 12,419,000 | ||||||