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SHARE-BASED COMPENSATION PLANS (Tables)
12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Share-based Compensation Expense and Income Tax Benefits Recognized The following table provides information on share-based compensation expense and related income tax benefits recognized:
 Years ended December 31,
 202120202019
 (In thousands)
Unvested stock awards$44,163 $25,509 $19,253 
Stock option and employee stock purchase plans2,837 4,484 6,575 
Share-based compensation expense47,000 29,993 25,828 
Income tax benefit(6,641)(4,728)(4,667)
Share-based compensation expense, net of tax$40,359 $25,265 $21,161 
Schedule of Nonvested Stock Awards
The following is a summary of activity for time-vested and performance-based unvested restricted stock awards and units as of and for the year ended December 31, 2021:
 
Time-Vested (1)
Performance-Based
 SharesWeighted-
Average
Grant Date
Fair Value
SharesWeighted-
Average
Grant Date
Fair Value
 (In thousands) (In thousands) 
Unvested stock outstanding at January 11,195$48.53 528$32.03 
Granted43266.68 13169.34 
Vested (2)
(348)52.20 (78)63.47 
Forfeited (3)
(102)54.17 (125)56.92 
Unvested stock outstanding at December 31 1,177$53.59 456$51.79 
 _____________ 
(1) Includes RSUs granted to non-executive members of the Board of Directors
(2) Includes awards attained above target.
(3) Includes awards canceled due to employee terminations or performance conditions not being achieved.
Schedule of Weighted-Average Assumptions used for Options Granted
The fair value of each option award is estimated on the date of grant using a Black-Scholes-Merton option-pricing valuation model. We use historical data to estimate stock option forfeitures. The following table presents the weighted-average assumptions used for the valuation, which are primarily based on our historical data and trends, and the grant-date fair value of options granted:
 Year ended December 31,
  
2019
 
Expected dividends3.7%
Expected volatility31.4%
Risk-free rate2.4%
Expected term in years4.4 years
Grant-date fair value$11.74 
Schedule of Share Purchase and Related Weighted-Average Exercise Price The following table presents the shares purchased and the related weighted-average purchase price under the ESPP:
 Years ended December 31,
 202120202019
Shares purchased160,000 320,000 228,000 
Weighted average purchase price$66.75 $32.39 $47.97