INCOME TAXES (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Income tax expense $ 34,820,000 $ 39,821,000  
Effective income tax rate (as a percent) 35.50% 36.30%  
Change in reserves for uncertain tax positions (800,000)    
Unrecognized tax benefits 11,000,000   11,700,000
Unrecognized tax benefits that would affect the effective tax rate 11,000,000    
Interest and penalties accrued related to unrecognized tax benefits $ 4,000,000   $ 4,200,000