v3.26.1
Segment Disclosures - Segment Reporting (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Jun. 28, 2026
Jun. 29, 2025
Segment Reporting [Line Items]        
Revenue from services $ 1,038.2 $ 1,101.8 $ 2,078.9 $ 2,266.7
Cost of services 826.2 876.3 1,670.5 1,804.7
Gross profit 212.0 225.5 408.4 462.0
SG&A expenses 172.3 181.5 343.5 378.5
Asset, Impairment Loss     2.2  
Business unit profit 39.7 44.0 62.7 83.5
Selling, general and administrative expenses (195.9) (207.3) (395.2) (433.0)
Gain (loss) on sale of EMEA staffing operations   4.0   4.0
Depreciation and amortization: (11.8) (12.5) (23.5) (25.3)
Earnings from operations 16.1 22.2 11.0 33.0
Other income (expense), net (1.7) (2.3) (3.3) (5.5)
Earnings before taxes 14.4 19.9 7.7 27.5
Inter-Segment        
Segment Reporting [Line Items]        
Revenue from services (2.4) (1.0) (4.2) (1.5)
Cost of services (2.4) (1.0) (4.2) (1.5)
Gross profit 0.0 0.0 0.0 0.0
SG&A expenses 0.0 0.0 0.0 0.0
Asset, Impairment Loss      
Business unit profit 0.0 0.0 0.0 0.0
Corporate, Non-Segment        
Segment Reporting [Line Items]        
Selling, general and administrative expenses (11.8) (13.3) (28.2) (29.2)
Enterprise Talent Management        
Segment Reporting [Line Items]        
Depreciation and amortization: 2.4 2.7 4.6 5.9
Enterprise Talent Management | Reporting Segments        
Segment Reporting [Line Items]        
Revenue from services 485.5 516.4 944.7 1,045.5
Cost of services 386.0 413.0 759.6 834.8
Gross profit 99.5 103.4 185.1 210.7
Direct salaries 59.9 61.1 119.5 129.4
Other segment expenses 28.8 31.7 56.1 64.4
SG&A expenses 88.7 92.8 175.6 193.8
Asset, Impairment Loss     0.0  
Business unit profit 10.8 10.6 9.5 16.9
Science, Engineering & Technology        
Segment Reporting [Line Items]        
Depreciation and amortization: 7.2 7.7 14.6 15.2
Science, Engineering & Technology | Reporting Segments        
Segment Reporting [Line Items]        
Revenue from services 301.6 321.1 590.8 648.4
Cost of services 225.1 238.1 442.5 482.4
Gross profit 76.5 83.0 148.3 166.0
Direct salaries 41.0 46.7 81.5 97.5
Other segment expenses 17.3 16.5 34.4 34.8
SG&A expenses 58.3 63.2 115.9 132.3
Asset, Impairment Loss     2.2  
Business unit profit 18.2 19.8 30.2 33.7
Education        
Segment Reporting [Line Items]        
Depreciation and amortization: 2.2 2.1 4.3 4.2
Education | Reporting Segments        
Segment Reporting [Line Items]        
Revenue from services 253.5 265.3 547.6 574.3
Cost of services 217.5 226.2 472.6 489.0
Gross profit 36.0 39.1 75.0 85.3
Direct salaries 14.9 15.1 31.5 31.5
Other segment expenses 10.4 10.4 20.5 20.9
SG&A expenses 25.3 25.5 52.0 52.4
Asset, Impairment Loss     0.0  
Business unit profit $ 10.7 $ 13.6 $ 23.0 $ 32.9