Supplementary Data Valuation and Qualifying Accounts - Allowance for Uncollectible Accounts (Tables)

12 Months Ended

Dec. 31, 2021

Valuation and Qualifying Accounts - Allowance for Uncollectible Accounts [Abstract]

Valuation and Qualifying Accounts - Allowance for Uncollectible Accounts Receivable

Valuation and Qualifying Accounts – Accounts Receivable, Allowance for Expected Credit Losses

	Years ended December 31,
	2021		2020		2019
Balance at beginning of period	$	98.3	$	40.2	$	42.5
Cumulative effect of accounting change 1	0.0		9.0		N/A
Charges to costs and expenses 2	(14.9)		50.5		10.1
Adjustments:
(Dispositions)/Acquisitions	(3.2)		8.6		(0.3)
Uncollectible accounts written off	(9.8)		(11.2)		(11.9)
Recoveries	0.3		0.2		N/A
Foreign currency translation adjustments	(2.2)		1.0		(0.2)
Balance at end of period	$	68.5	$	98.3	$	40.2