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STOCK BASED COMPENSATION - Tax Benefits Related to Stock Compensation (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]        
Tax benefit recognized in Statement of Income $ 1,501 $ 1,319 $ 5,103 $ 3,248
Excess tax benefit of stock options exercised $ 4,584 $ 3,667 $ 15,483 $ 10,747