Quarterly report pursuant to Section 13 or 15(d)

REVENUE RECOGNITION - Contract Balances (Details)

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REVENUE RECOGNITION - Contract Balances (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Dec. 31, 2021
REVENUE RECOGNITION    
Deferred revenue $ 23.3 $ 22.7
Revenue recognized from existing deferred revenue $ 6.9