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Revenue (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Revenue, Remaining Performance Obligation, Percentage 32.00%  
Contract with Customer, Liability $ 1,042,900,000 $ 846,200,000
Contract with Customer, Asset, after Allowance for Credit Loss 190,200,000 $ 210,900,000
Contract with Customer, Liability, Revenue Recognized $ 0.58  
Transferred at Point in Time [Member]    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Revenue, Remaining Performance Obligation, Percentage 85.00% 84.00%