Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Summary of Significant Accounting Policies [Abstract]

Contract with Customer, Asset and Liability [Table Text Block]

Contract balances

The following table provides 2022 and 2021 information about receivables and deferred revenue, which represent contract liabilities from contracts with customers:

	2022				2021
Contract balance information	Trade Receivables		Contract liabilities		Trade Receivables		Contract liabilities
Balance at January 1	$	595.2	$	322.4	$	646.9	$	346.8
Balance at December 31	$	612.2	$	453.2	$	595.2	$	322.4

Accounts Receivable, Allowance for Credit Loss

The following table summarizes the Company’s allowances for doubtful accounts:

	2022		2021		2020
Balance at January 1	$	35.3	$	37.5	$	42.2
Charged to costs and expenses	14.0		9.8		10.1
Charged to other accounts (1)	(0.1)		—		(1.2)
Deductions (2)	(14.7)		(12.0)		(13.6)
Balance at December 31	$	34.5	$	35.3	$	37.5

(1)    Includes net effects of foreign currency translation

(2)    Uncollectible accounts written-off, net of recoveries.