XML 18 R7.htm IDEA: XBRL DOCUMENT v3.22.2.2
Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2021
Statement of Comprehensive Income [Abstract]        
Tax expense $ 1.2 $ 1.1 $ 1.1 $ 3.4