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Revenue from Contract with Customer (Details) - USD ($)
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Disaggregation of Revenue [Line Items]      
Revenue From Contract With Customer Percentage 100.00% 100.00%  
Deferred Revenue, Current $ 246,400,000   $ 346,800,000
Trade receivables, net 671,400,000   $ 646,900,000
Revenue, Remaining Performance Obligation, Amount   $ 1,300  
Deferred Revenue, Revenue Recognized   264.7  
Impairment losses recognized as bad debt expense $ 9.3 $ 6.8  
Transferred over Time [Member]      
Disaggregation of Revenue [Line Items]      
Revenue From Contract With Customer Percentage 61.00% 62.00%  
Transferred at Point in Time [Member]      
Disaggregation of Revenue [Line Items]      
Revenue From Contract With Customer Percentage 39.00% 38.00%