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v3.25.3

Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 5,737.4 | $ 5,516.6 | $ 16,913.1 | $ 15,812.7
Cost of sales | 4,481.9 | 4,315.9 | 13,294.1 | 12,365.6
Gross profit | 1,255.5 | 1,200.7 | 3,619.0 | 3,447.1
Other segment expense items | 812.2 | 719.1 | 2,394.1 | 2,204.4
Operating income | 443.3 | 481.6 | 1,224.9 | 1,242.7
Depreciation and amortization expense | 73.3 | 69.1 | 221.5 | 205.8
Corporate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 2,255.4 | 2,161.2 | 7,072.9 | 6,492.3
Small Business |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 433.8 | 379.7 | 1,269.7 | 1,143.5
Public |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 2,349.8 | 2,335.7 | 6,519.6 | 6,303.7
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 698.4 | 640.0 | 2,050.9 | 1,873.2
Operating Segments | Corporate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 2,255.4 | 2,161.2 | 7,072.9 | 6,492.3
Cost of sales | 1,734.0 | 1,651.0 | 5,444.1 | 4,951.5
Gross profit | 521.4 | 510.2 | 1,628.8 | 1,540.8
Other segment expense items | 326.1 | 301.2 | 969.7 | 956.8
Operating income | 195.3 | 209.0 | 659.1 | 584.0
Depreciation and amortization expense | 29.0 | 18.8 | 81.3 | 57.9
Operating Segments | Small Business |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 433.8 | 379.7 | 1,269.7 | 1,143.5
Cost of sales | 334.7 | 291.5 | 987.4 | 877.8
Gross profit | 99.1 | 88.2 | 282.3 | 265.7
Other segment expense items | 45.4 | 42.6 | 137.4 | 128.0
Operating income | 53.7 | 45.6 | 144.9 | 137.7
Depreciation and amortization expense | 2.1 | 0.9 | 5.1 | 2.7
Operating Segments | Public |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 2,349.8 | 2,335.7 | 6,519.6 | 6,303.7
Cost of sales | 1,859.7 | 1,858.9 | 5,230.8 | 5,029.9
Gross profit | 490.1 | 476.8 | 1,288.8 | 1,273.8
Other segment expense items | 258.2 | 236.6 | 728.2 | 698.4
Operating income | 231.9 | 240.2 | 560.6 | 575.4
Depreciation and amortization expense | 19.3 | 14.2 | 50.9 | 41.9
Operating Segments | Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 698.4 | 640.0 | 2,050.9 | 1,873.2
Cost of sales | 553.5 | 514.5 | 1,631.8 | 1,506.4
Gross profit | 144.9 | 125.5 | 419.1 | 366.8
Other segment expense items | 101.9 | 93.0 | 294.4 | 284.8
Operating income | 43.0 | 32.5 | 124.7 | 82.0
Depreciation and amortization expense | 7.3 | 6.9 | 21.2 | 21.1
Headquarters |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Cost of sales | 0.0 | 0.0 | 0.0 | 0.0
Gross profit | 0.0 | 0.0 | 0.0 | 0.0
Other segment expense items | 80.6 | 45.7 | 264.4 | 136.4
Operating income | (80.6) | (45.7) | (264.4) | (136.4)
Depreciation and amortization expense | $ 15.6 | $ 28.3 | $ 63.0 | $ 82.2

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