XML 86 R57.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
SIGNIFICANT ACCOUNTING POLICIES (Advertising Expense) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Accounting Policies [Abstract]      
Advertising costs $ 9.8 $ 10.5 $ 11.8