XML 92 R62.htm IDEA: XBRL DOCUMENT v3.22.2
Revenue recognition - Accounts Receivable (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]    
Billed, net $ 119.9 $ 224.9
Unbilled 55.1 49.8
Total accounts receivable, net $ 175.0 $ 274.7