Stock Plans	9 Months Ended
Sep. 30, 2021
Stock Plans
Stock Plans	10. STOCK PLANS: During the nine months ended September 30, 2021, the Company granted 0.3 million restricted stock units with a weighted-average grant date fair value of $73.71 per unit. There were 0.5 million and 0.4 million restricted stock units outstanding at September 30, 2021 and December 31, 2020, respectively. Compensation expense for the Company’s stock-based compensation plans was $3.3 million and $2.2 million for the three months ended September 30, 2021 and 2020, respectively, and $8.9 million and $6.6 million for the nine months ended September 30, 2021 and 2020, respectively.

The entire disclosure for share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI http://asc.fasb.org/topic&trid=2228938

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