Quarterly report pursuant to Section 13 or 15(d)

NET INCOME PER SHARE - INFORMATION ON STOCK-BASED AWARDS (Details)

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NET INCOME PER SHARE - INFORMATION ON STOCK-BASED AWARDS (Details) - shares
shares in Millions
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Outstanding stock-based awards    
Antidilutive shares not included in the computation of income (loss) per share    
Weighted average equivalent shares 0.6 2.2