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Stock Plans
3 Months Ended
Mar. 31, 2021
Stock Plans  
Stock Plans

10. STOCK PLANS:

During the three months ended March 31, 2021, the Company granted 0.3 million restricted stock units with a weighted-average grant date fair value of $73.76 per unit. There were 0.5 million and 0.4 million restricted stock units outstanding at March 31, 2021 and December 31, 2020, respectively.

Compensation expense for the Company’s stock-based compensation plans was $2.5 million and $2.2 million for the three months ended March 31, 2021 and 2020, respectively.