Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

Allowance for Doubtful Accounts and Other Receivables for the Years Ended:	Balance at Beginning of Year		Charged to Expense		Write-Offs, Net of Recoveries			Balance at End of Year
December 31, 2019	$	23.9	$	2.8	$	(13.4	)	$	13.3
December 31, 2020		13.3		5.6		(0.5	)		18.4
December 31, 2021		18.4		2.6		(4.2	)		16.8