XML 116 R99.htm IDEA: XBRL DOCUMENT v3.20.4
SHARE-BASED COMPENSATION PLANS (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Share-based Payment Arrangement, Noncash Expense [Abstract]      
Employee Stock Purchase Plan $ 1,625 $ 1,585 $ 1,435
Performance Share Units 4,909 4,853 4,746
Restricted Share Units 6,978 6,061 7,026
Other share-based payments 925 1,170 887
Total share-based compensation expense before income taxes $ 14,437 $ 13,669 $ 14,094