Goodwill and Identifiable Assets Acquired Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Intangible assets subject to amortization:
Gross Carrying Amount	$ 674.6	$ 603.6
Accumulated Amortization	377.8	358.3
Net Carrying Amount	296.8	245.3
Intangible assets not subject to amortization:
Trademarks, Carrying Amount	272.8	242.6
Gross Carrying Amount	947.4	846.2
Net Carrying Amount	569.6	487.9
Contractual customer relationships
Intangible assets subject to amortization:
Gross Carrying Amount	589.3	493.9
Accumulated Amortization	315.7	260.2
Net Carrying Amount	$ 273.6	233.7
Contractual customer relationships | Minimum [Member]
Intangible Assets [Line Items]
Estimated Useful Life (in years)	7 years
Contractual customer relationships | Maximum [Member]
Intangible Assets [Line Items]
Estimated Useful Life (in years)	13 years
Contractor relations
Intangible Assets [Line Items]
Estimated Useful Life (in years)	4 years
Intangible assets subject to amortization:
Gross Carrying Amount	$ 0.0	45.5
Accumulated Amortization	0.0	45.5
Net Carrying Amount	0.0	0.0
Backlog
Intangible assets subject to amortization:
Gross Carrying Amount	44.1	34.8
Accumulated Amortization	36.5	31.0
Net Carrying Amount	$ 7.6	3.8
Backlog | Minimum [Member]
Intangible Assets [Line Items]
Estimated Useful Life (in years)	1 year
Backlog | Maximum [Member]
Intangible Assets [Line Items]
Estimated Useful Life (in years)	3 years
Non-compete agreements
Intangible assets subject to amortization:
Gross Carrying Amount	$ 41.2	29.4
Accumulated Amortization	25.6	21.6
Net Carrying Amount	$ 15.6	$ 7.8
Non-compete agreements | Minimum [Member]
Intangible Assets [Line Items]
Estimated Useful Life (in years)	1 year
Non-compete agreements | Maximum [Member]
Intangible Assets [Line Items]
Estimated Useful Life (in years)	7 years