Goodwill and Other Assets Schedule of Intangible Assets (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 1,032.3		$ 1,004.9
Accumulated amortization	(805.5)		(747.3)
Intangible assets, net	226.8		257.6
Payments to Develop Software	10.8	$ 17.4
Amortization of internally-developed software	$ (10.3)	(10.1)
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 years
Gross carrying amount	$ 674.7		662.3
Accumulated amortization	$ (493.0)		(448.7)
Intangible assets, net			213.6
Internally-developed software [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	2 years 6 months
Gross carrying amount	$ 258.6		245.2
Accumulated amortization	(219.8)		(202.7)
Intangible assets, net	38.8	45.6	42.5	$ 43.2
Capitalized Computer Software, Period Increase (Decrease)	$ (4.2)	$ (4.9)
Development costs non-software [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	4 months 24 days
Gross carrying amount	$ 49.7		48.7
Accumulated amortization	(49.6)		(48.7)
Intangible assets, net	$ 0.1		0.0
Other intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	4 years 6 months
Gross carrying amount	$ 49.3		48.7
Accumulated amortization	(43.1)		(47.2)
Intangible assets, net	6.2		1.5
Other intangible asset, net [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	357.6		342.6
Accumulated amortization	(312.5)		(298.6)
Intangible assets, net	45.1		44.0
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 181.7		$ 213.6