XML 67 R56.htm IDEA: XBRL DOCUMENT v3.21.1
Property and Equipment (Details Textual) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Property, Plant and Equipment [Abstract]      
Depreciation $ 11.4 $ 11.8  
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 405.2   $ 400.5