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EARNINGS PER SHARE - Narrative (Detail) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Stock options      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Average outstanding stock options not included in computation of earnings per share (in shares) 42 90 109