Quarterly report pursuant to Section 13 or 15(d)

Amortizable Intangible Assets, Estimate of Amortization Expense (Detail)

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Amortizable Intangible Assets, Estimate of Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Expected Amortization Expense [Line Items]  
2012 (July - Dec) $ 557
2013 2,151
2014 1,829
2015 1,160
2016 426
Thereafter 361
Total $ 6,484