Annual report pursuant to Section 13 and 15(d)

Other Long-Term Liabilities (Detail)

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Other Long-Term Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Other Long Term Liabilities [Line Items]    
Long-term liabilities related to acquisitions, less current portion $ 786 $ 1,583
Other long-term liabilities 2,027 2,220
Total other long-term liabilities $ 2,813 $ 3,803