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Stock-Based Compensation Plans
3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement, Noncash Expense [Abstract]  
Schedule of Stock Based Compensation Expense
Stock-based compensation expense consists of the following:
(In millions)For the Three Months Ended 
March 31,
 20212020
Restricted stock$0.4 $0.6 
Restricted stock units0.7 1.2 
Total$1.1 $1.8