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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Earnings Per Share (Details) - shares
7 Months Ended 12 Months Ended
Dec. 31, 2016
Dec. 31, 2017
May 31, 2016
May 31, 2015
Accounting Policies [Abstract]        
Antidilutive securities excluded from computation of earnings per share (in shares) 0 0 0 0
Basic weighted-average number of shares outstanding (in shares) 153,342,000 154,652,000 132,284,000 134,072,000
Plus: Dilutive effect of stock options and other share-based awards (in shares) 889,000 876,000 883,000 850,000
Diluted weighted-average number of shares outstanding (in shares) 154,231,000 155,528,000 133,167,000 134,922,000