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Prepaid Expenses and Other Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Prepaid Expenses And Other Current Assets [Line Items]    
Software licenses and maintenance contracts $ 6,526 $ 7,028
Deferred project costs 4,067 2,297
Insurance 1,313 1,321
Postage 751 709
Other 3,800 3,637
Prepaid expenses and other assets 18,758 20,078
Income Taxes [Member]    
Prepaid Expenses And Other Current Assets [Line Items]    
Prepaid income taxes 1,259 3,984
Taxes other than Income [Member]    
Prepaid Expenses And Other Current Assets [Line Items]    
Prepaid income taxes $ 1,042 $ 1,102