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SHARE-BASED COMPENSATION (Tables)
 12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Summary of Compensation Expense
Share-based compensation is included in Selling and administrative expense. A summary of compensation expense by type of award follows:
(In millions)202120202019
Stock appreciation rights$5.2 $4.4 $4.8 
Performance shares0.2 0.2 0.3 
Restricted stock units5.8 6.7 6.5 
Total share-based compensation$11.2 $11.3 $11.6 
Summary of Assumptions Related To Grants The following is a summary of the weighted average assumptions related to the grants issued during 2021, 2020 and 2019:
202120202019
Expected volatility34.0%33.0%40.0%
Expected dividends2.01%2.57%2.47%
Expected term (in years)6.96.96.6
Risk-free rate1.19%1.56%2.78%
Value of SARs granted$11.72$8.11$10.13
Summary of Stock Appreciation Rights A summary of SAR activity for 2021 is presented below:



(In millions, except per share data)		SharesWeighted-Average Exercise Price per ShareWeighted-Average Remaining Contractual TermAggregate Intrinsic value
Outstanding as of January 1, 20212.6 $32.43 6.4$20.7 
Granted0.5 42.27 
Exercised(1.2)30.00 
Forfeited or expired— 30.43 
Outstanding as of December 31, 20211.9 $35.64 7.1$39.1 
Vested and exercisable as of December 31, 20210.9 $33.86 5.4$19.6