v3.26.1
Segment Data - Schedule of Segment Data (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting Information [Line Items]    
Revenues from services $ 4,510.4 $ 4,090.3
Cost of Services 3,787.4 3,392.0
Corporate expenses (51.5) (41.1)
Intangible asset amortization expense (7.0) [1] (8.1) [2]
Operating profit 28.3 28.2
Interest and other expenses, net (12.9) (11.5)
Earnings before income taxes 15.4 16.7
Intersegment Eliminations [Member]    
Segment Reporting Information [Line Items]    
Revenues from services (7.1) (7.6)
Cost of Services (5.3) (6.5)
Selling and Administrative Expenses (1.8) (1.1)
Operating unit profit 0.0 0.0
United States | Americas    
Segment Reporting Information [Line Items]    
Revenues from services   688.8
Other Americas | Americas    
Segment Reporting Information [Line Items]    
Revenues from services   367.9
France | Southern Europe    
Segment Reporting Information [Line Items]    
Revenues from services   965.7
Italy | Southern Europe    
Segment Reporting Information [Line Items]    
Revenues from services   397.8
Other Southern Europe | Southern Europe    
Segment Reporting Information [Line Items]    
Revenues from services   470.5
Reportable subsegments    
Segment Reporting Information [Line Items]    
Revenues from services 4,510.4 4,090.3
Cost of Services 3,787.4 3,392.0
Selling and Administrative Expenses 636.2 620.9
Operating unit profit 86.8 77.4
Reportable subsegments | Americas    
Segment Reporting Information [Line Items]    
Revenues from services 1,115.6 1,056.7
Cost of Services 894.5 830.2
Selling and Administrative Expenses 202.0 201.0
Operating unit profit 19.1 25.5
Reportable subsegments | Southern Europe    
Segment Reporting Information [Line Items]    
Revenues from services 2,101.3 1,834.0
Cost of Services 1,804.6 1,565.8
Selling and Administrative Expenses 242.5 218.0
Operating unit profit 54.2 50.2
Reportable subsegments | Northern Europe    
Segment Reporting Information [Line Items]    
Revenues from services 790.1 730.8
Cost of Services 664.5 604.4
Selling and Administrative Expenses 133.8 144.7
Operating unit profit (8.2) (18.3)
Reportable subsegments | APME    
Segment Reporting Information [Line Items]    
Revenues from services 510.5 476.4
Cost of Services 429.1 398.1
Selling and Administrative Expenses 59.7 58.3
Operating unit profit 21.7 20.0
Reportable subsegments | Northern Europe and APME    
Segment Reporting Information [Line Items]    
Revenues from services 4,517.5 4,097.9
Cost of Services 3,792.7 3,398.5
Selling and Administrative Expenses 638.0 622.0
Operating unit profit 86.8 77.4
Reportable subsegments | United States | Americas    
Segment Reporting Information [Line Items]    
Revenues from services 654.9 [3] 688.8 [4]
Cost of Services 498.4 [3] 517.0 [4]
Selling and Administrative Expenses 154.4 [3] 160.5 [4]
Operating unit profit 2.1 [3] 11.3 [4]
Reportable subsegments | Other Americas | Americas    
Segment Reporting Information [Line Items]    
Revenues from services 460.7 367.9
Cost of Services 396.1 313.2
Selling and Administrative Expenses 47.6 40.5
Operating unit profit 17.0 14.2
Reportable subsegments | France | Southern Europe    
Segment Reporting Information [Line Items]    
Revenues from services 1,068.6 965.7
Cost of Services 920.7 824.8
Selling and Administrative Expenses 130.8 119.9
Operating unit profit 17.1 21.0
Reportable subsegments | Italy | Southern Europe    
Segment Reporting Information [Line Items]    
Revenues from services 474.7 397.8
Cost of Services 401.0 333.7
Selling and Administrative Expenses 45.0 39.5
Operating unit profit 28.7 24.6
Reportable subsegments | Other Southern Europe | Southern Europe    
Segment Reporting Information [Line Items]    
Revenues from services 558.0 470.5
Cost of Services 482.9 407.3
Selling and Administrative Expenses 66.7 58.6
Operating unit profit $ 8.4 $ 4.6
[1] Intangible asset amortization related to acquisitions is excluded from operating costs within the reportable segments and corporate expenses and shown separately.
[2] Intangible asset amortization related to acquisitions is excluded from operating costs within the reportable segments and corporate expenses and shown separately.
[3] The United States revenues above represent revenues from our company-owned branches and franchise fees received from our franchise operations, which were $2.4 for the three months ended March 31, 2026.
[4] The United States revenues above represent revenues from our company-owned branches and franchise fees received from our franchise operations, which were $2.2 for the three months ended March 31, 2025.