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Stockholders' Equity - Additional Information (Detail) - USD ($)
Jul. 27, 2016
Jun. 30, 2016
Sep. 06, 2013
2013 program      
Class Of Stock [Line Items]      
Remaining Amount approved for repurchases under stock buyback program   $ 187,000,000  
2013 program | Maximum      
Class Of Stock [Line Items]      
Amount approved for repurchases under stock buyback program     $ 200,000,000
Subsequent Event | Dividend Declared      
Class Of Stock [Line Items]      
Dividend declaration date Jul. 27, 2016    
Dividend per share, declared $ 0.02    
Dividend payment date Sep. 22, 2016    
Dividend record date Sep. 08, 2016