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Provision (Benefit) for Income Taxes (Before Equity in Earnings) (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Current:      
Federal $ 6,691 $ 4,657 $ 4,269
State and local 761 2,063 1,437
Foreign 503 618 565
Deferred income tax expense (benefit) (2,747) (1,216) (1,669)
Income tax provision $ 5,208 $ 6,122 $ 4,602