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EMPLOYEE BENEFIT PLANS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
401(k) Plan [Member]      
Employee Benefit Plans [Abstract]      
Contributions to the plan $ 1.9 $ 2.3 $ 2.2
International Retirement and Post-employment Plans [Member]      
Employee Benefit Plans [Abstract]      
Contributions to international employees retirement and post-employment plans $ 2.0 $ 2.2 $ 2.0