XML 87 R76.htm IDEA: XBRL DOCUMENT v3.21.1
Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Segment Reporting Information [Line Items]    
Impairment charge to intangible assets   $ 15.7
Services    
Segment Reporting Information [Line Items]    
Intangible asset amortization expense $ 1.2 $ 2.2