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 6 Months Ended
Jun. 30, 2022
Jun. 30, 2022
Dec. 31, 2021
REVENUE RECOGNITION      
Deferred revenue $ 22.1 $ 22.1 $ 22.7
Revenue recognized from existing deferred revenue $ 3.5 $ 10.4