v3.25.2
Segment Reporting (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Segment Reporting, Revenue Reconciling Item [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax $ 5,899.6 $ 5,479.7 $ 11,243.3 $ 10,829.7  
Other Nonoperating Income (Expense) (7.3) (95.9) (7.1) (74.3)  
Assets 16,202.5   16,202.5   $ 15,061.4
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization 4,656.9 4,281.7 8,875.0 8,493.8  
Depreciation and amortization 48.3 46.1 96.7 91.6  
Stock-based compensation expense 8.4 2.7 18.6 12.8  
Selling, general and administrative expense 872.2 828.4 1,708.5 1,657.8  
Interest Income (Expense), Nonoperating, Net (92.9) (98.8) (179.2) (193.2)  
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest $ 236.6 $ 320.6 $ 391.0 $ 467.6  
Segment Reporting, Other Segment Item, Composition, Description (2) Other segment items primarily includes allocated expenses (which includes employee-related allocations), transportation costs, facility costs (including rent and utilities), employee expenses (including travel and entertainment), credit losses, professional and consulting fees, supplies, real estate and personal property taxes, sales promotion expenses, and gains (losses) on the sale, disposal, or abandonment of property and equipment. (2) Other segment items primarily includes allocated expenses (which includes employee-related allocations), transportation costs, facility costs (including rent and utilities), employee expenses (including travel and entertainment), credit losses, professional and consulting fees, supplies, real estate and personal property taxes, sales promotion expenses, and gains (losses) on the sale, disposal, or abandonment of property and equipment. (2) Other segment items primarily includes allocated expenses (which includes employee-related allocations), transportation costs, facility costs (including rent and utilities), employee expenses (including travel and entertainment), credit losses, professional and consulting fees, supplies, real estate and personal property taxes, sales promotion expenses, and gains (losses) on the sale, disposal, or abandonment of property and equipment. (2) Other segment items primarily includes allocated expenses (which includes employee-related allocations), transportation costs, facility costs (including rent and utilities), employee expenses (including travel and entertainment), credit losses, professional and consulting fees, supplies, real estate and personal property taxes, sales promotion expenses, and gains (losses) on the sale, disposal, or abandonment of property and equipment.  
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]     Chief Executive Officer [Member]    
Operating Segments          
Segment Reporting, Revenue Reconciling Item [Line Items]          
Adjusted EBITDA $ 525.5 $ 519.2 $ 964.9 $ 981.6  
Other Nonoperating Income (Expense) 20.8 (84.2) 35.9 (58.9)  
Assets 15,100.3   15,100.3   13,964.0
Selling, general, and administrative payroll expenses 446.5 427.8 875.3 858.1  
Segment Reporting, Other Segment Item, Amount 270.7 251.0 528.1 496.2  
Depreciation and amortization 39.1 37.0 78.1 73.2  
Other Operating Income (Expense), Net (20.8) (84.2) (35.9) (58.9)  
Stock-based compensation expense 2.9 3.5 5.6 7.0  
EES          
Segment Reporting, Revenue Reconciling Item [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax 2,257.8 2,134.5 4,323.1 4,198.8  
Adjusted EBITDA 182.9 190.2 325.5 351.9  
Other Nonoperating Income (Expense) 7.3 3.3 11.7 8.3  
Assets 4,876.7   4,876.7   4,431.8
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization 1,739.3 1,623.1 3,333.4 3,204.0  
Selling, general, and administrative payroll expenses 219.0 212.6 431.1 425.3  
Segment Reporting, Other Segment Item, Amount $ 116.6 $ 108.6 $ 233.1 $ 217.6  
Adjusted EBITDA Margin Percentage 8.10% 8.90% 7.50% 8.40%  
Depreciation and amortization $ 12.4 $ 11.3 $ 24.6 $ 22.4  
CSS          
Segment Reporting, Revenue Reconciling Item [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax 2,265.2 1,904.3 4,265.5 3,609.1  
Adjusted EBITDA 198.9 155.5 357.4 286.8  
Other Nonoperating Income (Expense) 15.7 15.7 26.6 35.2  
Assets 6,468.2   6,468.2   6,034.7
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization 1,791.2 1,492.0 3,372.0 2,825.6  
Selling, general, and administrative payroll expenses 168.6 157.0 329.1 306.6  
Segment Reporting, Other Segment Item, Amount $ 106.5 $ 99.8 $ 207.0 $ 190.1  
Adjusted EBITDA Margin Percentage 8.80% 8.20% 8.40% 7.90%  
Depreciation and amortization $ 19.1 $ 18.3 $ 38.1 $ 36.4  
UBS          
Segment Reporting, Revenue Reconciling Item [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax 1,376.6 1,440.9 2,654.7 3,021.8  
Adjusted EBITDA 143.7 173.5 282.0 342.9  
Other Nonoperating Income (Expense) (2.2) (103.2) (2.4) (102.4)  
Assets 3,755.4   3,755.4   3,497.5
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization 1,126.4 1,166.6 2,169.6 2,464.2  
Selling, general, and administrative payroll expenses 58.9 58.2 115.1 126.2  
Segment Reporting, Other Segment Item, Amount $ 47.6 $ 42.6 $ 88.0 $ 88.5  
Adjusted EBITDA Margin Percentage 10.40% 12.00% 10.60% 11.30%  
Depreciation and amortization $ 7.6 $ 7.4 $ 15.4 $ 14.4  
Corporate Segment          
Segment Reporting, Revenue Reconciling Item [Line Items]          
Other Nonoperating Income (Expense) (28.1) (11.7) (43.0) (15.4)  
Assets 1,102.2   1,102.2   $ 1,097.4
Depreciation and amortization 9.2 9.1 18.6 18.4  
Selling, general and administrative expense 152.1 146.1 299.5 296.5  
Interest Income (Expense), Nonoperating, Net $ 92.9 $ 98.8 $ 179.2 $ 193.2