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Taxes - Constituents of Provision for Income Taxes (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Current:      
Federal $ 8,720 $ 11,284 $ 6,711
State 721 789 806
Foreign 3,167 5,790 10,519
Current income tax expense (benefit), Total 12,608 17,863 18,036
Deferred:      
Federal 1,580 428 (812)
State 119 36 34
Foreign 6 205 (10)
Deferred income tax expense (benefit), Total 1,705 669 (788)
Income tax expense (benefit), continuing operations, Total $ 14,313 $ 18,532 $ 17,248