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SHARE-BASED COMPENSATION PLANS (Table)
 12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement, Noncash Expense [Abstract]  
Schedule Of Compensation Cost For Share Based Payment Arrangements Allocation Of Share Based Compensation Costs By Plan [Table Text Block] The compensation cost for employee and non-employee director share-based compensation programs during 2021, 2020, and 2019 is as follows:
(In thousands)202120202019
Employee Stock Purchase Plan$1,710 $1,625 $1,585 
Performance Share Units4,850 4,909 4,853 
Restricted Share Units5,661 6,978 6,061 
Other share-based payments1,229 925 1,170 
Total share-based compensation expense before income taxes$13,450 $14,437 $13,669 
Schedule of Cash Proceeds Received from Share-based Payment Awards [Table Text Block] The following table summarizes the cash received from share-based awards on share-based compensation:
(In thousands)202120202019
Cash received from share-based awards$9,705 $11,148 $11,770 
Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] A summary of the Corporation’s 2021 activity related to performance share units and restricted share units are as follows:
Performance Share Units (PSUs)Restricted Share Units (RSUs)
Shares/Units
(000’s)		Weighted-
Average
Fair Value		Shares/Units
(000’s)		Weighted-
Average
Fair Value
Nonvested as of December 31, 2020107 $138.37 227 $97.24 
Granted34 150.23 74 123.34 
Vested(27)197.19 (72)95.13 
Forfeited(1)103.86 (6)105.70 
Nonvested as of December 31, 2021113 $128.05 223 $106.34 
Expected to vest as of December 31, 2021113 $128.05 223 $106.34