XML 121 R108.htm IDEA: XBRL DOCUMENT v3.22.0.1
Equity Incentive Programs (Schedule of Compensation Expense) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
RSU liability awards income $ 0.0 $ (0.1)
Stock-based compensation charges 6.2 10.6
Restricted Stock and Restricted Stock Units (RSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Compensation expense recognized 5.4 9.7
Deferred Stock Units (DSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Compensation expense recognized $ 0.8 $ 1.0