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Stock Plans
6 Months Ended
Jun. 30, 2020
Stock Plans  
Stock Plans

10. STOCK PLANS:

During the six months ended June 30, 2020, the Company granted 0.1 million restricted stock units with a weighted-average grant date fair value of $84.26 per unit. There were 0.4 million and 0.3 million restricted stock units outstanding at June 30, 2020 and December 31, 2019, respectively.

Compensation expense for the Company’s stock-based compensation plans was $2.2 million and $1.9 million for the three months ended June 30, 2020 and 2019, respectively, and $4.4 million and $4.0 million for the six months ended June 30, 2020 and 2019, respectively.