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BASIS OF PRESENTATION (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Jan. 01, 2018
Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Cumulative adjustment to retained earnings $ 3,523,245   $ 3,446,332 $ 3,437,093
Minimum future lease commitments       $ 282,700
Accounting Standards Update 2016-09        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Effective income tax rate reconciliation, share-based compensation, excess tax benefit amount 6,200 $ 9,300    
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Cumulative adjustment to retained earnings $ 11,299   $ 9,200