Financing Receivable - Allowance For Credit Losses Related To Trade Accounts Receivable (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Cost basis of trade accounts receivable as of December 31, 2020	$ 373.2
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses balance at December 31, 2019	15.0
Provision for credit losses	7.7
Write-offs	(9.1)
Foreign currency and other	0.9
Allowance for credit losses balance as of December 31, 2020	18.1
Net trade accounts receivable balance as of December 31, 2020	355.1
Cumulative Effect, Period of Adoption, Adjustment
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses balance at December 31, 2019	$ 3.6