Quarterly report pursuant to Section 13 or 15(d)

Revenue and Cost of Revenues - Narrative (Details)

v3.21.2
Revenue and Cost of Revenues - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Revenue from Contract with Customer [Abstract]          
Increase in contract with customer liability     $ (1.0)    
Recognized deferred revenue $ 5.3 $ 5.2 31.6 $ 31.0  
Deferred sales incentive compensation 11.1   11.1   $ 10.8
Amortization expense for the deferred sales incentive compensation 1.2 0.9 3.3 2.9  
Impairment loss for capitalized costs $ 0.0 $ 0.0 $ 0.0 $ 0.0