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Fixed Assets
12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]  
Fixed Assets Fixed Assets
Fixed assets (net) consisted of the following:
 December 31,
 20222023
Buildings and leasehold improvements$111.9 $108.6 
Software51.7 45.7 
Equipment25.6 20.7 
Furniture and fixtures19.9 17.5 
Land, improvements and other20.8 20.8 
Fixed assets, at cost229.9 213.3 
Accumulated depreciation and amortization(161.4)(146.0)
Fixed assets (net)$68.5 $67.3