XML 131 R100.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
BENEFIT PLANS - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Dec. 31, 2019
Jun. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Defined Contribution Plan Disclosure          
Employee contribution limit per calendar year (up to) (as a percent of pre-tax earnings)     50.00%    
Employer contribution limit per calendar year (as a percent of compensation) 10.00% 3.00%      
Employer contribution per dollar employee contributes up to contribution limit 100.00%        
United States          
Defined Contribution Plan Disclosure          
Defined contribution plan contributions     $ 21.0 $ 12.9 $ 11.1
Foreign Plan          
Defined Contribution Plan Disclosure          
Defined contribution plan contributions     $ 4.0 $ 3.4 $ 2.5