Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v3.3.1.900
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Schedule Of Income Taxes [Line Items]      
Reversed valuation allowances $ 0 $ 0 $ (9,087)
Deferred tax liability, net 24,901 32,641  
Deferred tax liability related to intangibles not amortizable for tax purposes 11,563 21,965  
Deferred tax asset related to net operating loss carryforwards 13,733 22,348  
Deferred tax liabilities, other 3,297 2,459  
Unrecognized benefit from equity compensation 15,112 12,238  
Excess stock compensation benefits 400 2,200  
Deferred tax assets operating loss carryforwards, federal 11,200    
Deferred tax assets operating loss carryforwards, state 1,500    
NOL carryforwards subject to expiration 1,000    
Tax credits subject to expiration in 2026 100    
Net operating income (loss) (11,615) (15,503) 21,559
Undistributed earnings related to foreign subsidiaries $ 6,200    
Income tax examinations and adjustments minimum year 3 years    
Decrease in NOL deferred tax asset $ 600    
Kigo      
Schedule Of Income Taxes [Line Items]      
Additional net deferred tax liability 500    
Deferred tax liability related to intangibles not amortizable for tax purposes 1,500    
Deferred tax asset related to net operating loss carryforwards 1,000    
Federal and State      
Schedule Of Income Taxes [Line Items]      
Tax credits $ 1,000    
INDIA      
Schedule Of Income Taxes [Line Items]      
Tax holiday expiration date March 31, 2011    
Holiday tax savings $ 400 200 100
PHILIPPINES      
Schedule Of Income Taxes [Line Items]      
Holiday tax savings $ 300 $ 200 $ 100
Tax holiday expiration year 2015    
Federal      
Schedule Of Income Taxes [Line Items]      
Unrecognized benefit from equity compensation $ 45,200    
Net operating loss carryforwards, expiration year 2022    
NOL carryforwards subject to expiration $ 31,900    
Operating loss carryforwards $ 129,200    
Income tax year no longer subject to examinations 2012    
State      
Schedule Of Income Taxes [Line Items]      
Unrecognized benefit from equity compensation $ 2,000    
NOL carryforwards subject to expiration 24,000    
Operating loss carryforwards $ 43,500    
Income tax year no longer subject to examinations 2011    
Foreign      
Schedule Of Income Taxes [Line Items]      
Tax credits $ 2,400    
Subsidiaries before acquisition      
Schedule Of Income Taxes [Line Items]      
Net operating income (loss) $ (18,300)