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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2018
Accounting Policies [Abstract]  
Schedule of Weighted Average Number of Shares Outstanding
The following table sets forth the computation of the diluted weighted-average number of shares outstanding for all periods presented:
 
Years Ended December 31,
 
Seven Months
Ended
December 31,
 
Year Ended
May 31,
 
2018
 
2017
 
2016
 
2016
 
 
 
 
 
 
 
 
 
(in thousands)
 
 
 
 
 
 
 
 
Basic weighted-average number of shares outstanding
158,672

 
154,652

 
153,342

 
132,284

Plus: Dilutive effect of stock options and other share-based awards
599

 
876

 
889

 
883

Diluted weighted-average number of shares outstanding
159,271

 
155,528

 
154,231

 
133,167