v3.26.1
Segment Reporting (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
distribution_centers
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Segment Reporting [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax $ 6,665.1 $ 5,899.6 $ 12,745.2 $ 11,243.3  
Other Nonoperating Income (Expense) (0.2) (7.3) (0.6) (7.1)  
Assets 17,807.8   17,807.8   $ 16,494.9
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization 5,209.1 4,656.9 9,997.4 8,875.0  
Depreciation and amortization 51.1 48.3 101.8 96.7  
Stock-based compensation expense 19.1 8.4 35.2 18.6  
Selling, general and administrative expense 1,022.7 872.2 1,970.3 1,708.5  
Interest Income (Expense), Nonoperating, Net (110.4) (92.9) (207.1) (179.2)  
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest $ 272.0 $ 236.6 $ 469.2 $ 391.0  
Segment Reporting, Other Segment Item, Composition, Description (2) Other segment items primarily include allocated expenses (which includes employee-related allocations), transportation costs, facility costs (including rent and utilities), employee expenses (including travel and entertainment), credit losses, real estate and personal property taxes, supplies, professional and consulting fees, and sales promotion expenses. (2) Other segment items primarily include 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 include allocated expenses (which includes employee-related allocations), transportation costs, facility costs (including rent and utilities), employee expenses (including travel and entertainment), credit losses, real estate and personal property taxes, supplies, professional and consulting fees, and sales promotion expenses. (2) Other segment items primarily include 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]    
Number of Reportable Segments | distribution_centers     3    
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description     The CODM evaluates the performance of the Company’s reportable segments based on Adjusted earnings before interest, taxes, depreciation and amortization (“Adjusted EBITDA”), which is the Company’s measure of segment profit or loss.    
Operating Segments          
Segment Reporting [Line Items]          
Adjusted EBITDA $ 651.0 $ 525.5 $ 1,189.9 $ 964.9  
Other Nonoperating Income (Expense) 31.3 20.8 50.8 35.9  
Assets 16,559.5   16,559.5   15,486.4
Selling, general, and administrative payroll expenses 494.5 446.5 962.8 875.3  
Segment Reporting, Other Segment Item, Amount 310.5 270.7 595.1 528.1  
Depreciation and amortization 42.6 39.1 84.1 78.1  
Stock-based compensation expense 3.1 2.9 6.4 5.6  
EES          
Segment Reporting [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax 2,510.7 2,257.8 4,754.9 4,323.1  
Adjusted EBITDA 231.3 182.9 416.3 325.5  
Other Nonoperating Income (Expense) 12.6 7.3 19.4 11.7  
Assets 5,282.2   5,282.2   4,860.8
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization 1,897.8 1,739.3 3,608.8 3,333.4  
Selling, general, and administrative payroll expenses 245.2 219.0 473.6 431.1  
Segment Reporting, Other Segment Item, Amount $ 136.4 $ 116.6 $ 256.2 $ 233.1  
Adjusted EBITDA Margin Percentage 9.20% 8.10% 8.80% 7.50%  
CSS          
Segment Reporting [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax $ 2,681.2 $ 2,265.2 $ 5,160.1 $ 4,265.5  
Adjusted EBITDA 272.9 198.9 496.1 357.4  
Other Nonoperating Income (Expense) 18.7 15.7 31.8 26.6  
Assets 7,242.5   7,242.5   6,827.0
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization 2,097.1 1,791.2 4,057.8 3,372.0  
Selling, general, and administrative payroll expenses 186.4 168.6 364.7 329.1  
Segment Reporting, Other Segment Item, Amount $ 124.8 $ 106.5 $ 241.5 $ 207.0  
Adjusted EBITDA Margin Percentage 10.20% 8.80% 9.60% 8.40%  
UBS          
Segment Reporting [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax $ 1,473.2 $ 1,376.6 $ 2,830.2 $ 2,654.7  
Adjusted EBITDA 146.8 143.7 277.5 282.0  
Other Nonoperating Income (Expense) 0.0 (2.2) (0.4) (2.4)  
Assets 4,034.8   4,034.8   3,798.6
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization 1,214.2 1,126.4 2,330.8 2,169.6  
Selling, general, and administrative payroll expenses 62.9 58.9 124.5 115.1  
Segment Reporting, Other Segment Item, Amount $ 49.3 $ 47.6 $ 97.4 $ 88.0  
Adjusted EBITDA Margin Percentage 10.00% 10.40% 9.80% 10.60%  
Corporate Segment          
Segment Reporting [Line Items]          
Other Nonoperating Income (Expense) $ (31.5) $ (28.1) $ (51.4) $ (43.0)  
Assets 1,248.3   1,248.3   $ 1,008.5
Depreciation and amortization 8.5 9.2 17.7 18.6  
Selling, general and administrative expense 214.6 152.1 406.0 299.5  
Interest Income (Expense), Nonoperating, Net $ 110.4 $ 92.9 $ 207.1 $ 179.2