XML 126 R111.htm IDEA: XBRL DOCUMENT v3.19.1
EARNINGS PER SHARE - Narrative (Detail) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
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) 21 42 90