XML 83 R54.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
PROPERTY, PLANT AND EQUIPMENT - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Abstract]      
Depreciation expense $ 20.2 $ 19.7 $ 16.7
Capital lease assets 2.9    
Capital lease assets   3.1  
Accumulated deprecation of capital lease assets $ 1.7    
Accumulated deprecation of capital lease assets   $ 1.6