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Indebtedness (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Debt, Long-term and Short-term, Combined Amount [Abstract]
Long Term debt	$ 38,500	$ 51,917
Short-term	15,615	14,460
Total indebtedness	54,115	66,377
Term Loan [Member]
Debt, Long-term and Short-term, Combined Amount [Abstract]
Long Term debt	38,500	46,000
Short-term	9,500	8,000
Total indebtedness	48,000	54,000
Notes payable on product acquisitions and asset purchase [Member]
Debt, Long-term and Short-term, Combined Amount [Abstract]
Long Term debt	0	5,917
Short-term	6,115	6,460
Total indebtedness	$ 6,115	$ 12,377

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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