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Stock Plans (Tables)
12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Restricted Stock Units Activity
RSU activity was as follows:
Number of SharesWeighted-Average Grant Date Fair Value Per Share
Balance at December 31, 20202,239,379 $51.76 
Granted1,069,531 $45.22 
Vested(424,217)$69.04 
Forfeited(182,231)$46.09 
Balance at December 31, 20212,702,462 $46.84