v3.26.1
Segments and Related Information - Schedule of Company's Operating Segments (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenue $ 1,246.0 $ 1,107.1
Cost of revenue 1,046.3 898.3
Selling, general and administrative 153.1 160.2
Depreciation and amortization 17.5 17.6
Other operating loss (income) 0.4 (9.0)
Income (loss) from operations 28.7 40.0
Other data:    
Capital cash expenditures 26.1 19.0
Investments 1.8 3.6
Total assets 950.1 891.1
Infrastructure    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenue 1,210.3 1,071.6
Life Sciences    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenue 12.5 9.8
Spectrum    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenue 23.2 25.7
Operating Segments | Infrastructure    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenue 1,210.3 1,071.6
Cost of revenue 1,026.2 880.4
Selling, general and administrative 115.2 123.1
Depreciation and amortization 12.1 12.0
Other operating loss (income) 1.4 (9.6)
Income (loss) from operations 55.4 65.7
Other data:    
Capital cash expenditures 23.4 17.6
Investments 0.0 0.0
Total assets 758.9 683.6
Operating Segments | Life Sciences    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenue 12.5 9.8
Cost of revenue 8.4 6.4
Selling, general and administrative 14.6 17.1
Depreciation and amortization 0.4 0.4
Other operating loss (income) 0.0 0.0
Income (loss) from operations (10.9) (14.1)
Other data:    
Capital cash expenditures 0.0 0.0
Investments 1.8 1.8
Total assets 9.6 11.9
Equity method investments 0.9 0.9
Operating Segments | Spectrum    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenue 23.2 25.7
Cost of revenue 11.7 11.5
Selling, general and administrative 7.6 7.3
Depreciation and amortization 5.0 5.1
Other operating loss (income) (1.0) 0.4
Income (loss) from operations (0.1) 1.4
Other data:    
Capital cash expenditures 2.7 1.4
Investments 0.0 0.0
Total assets 174.5 178.9
Non-Operating Corporate    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenue 0.0 0.0
Cost of revenue 0.0 0.0
Selling, general and administrative 15.6 12.7
Depreciation and amortization 0.0 0.1
Other operating loss (income) 0.0 0.2
Income (loss) from operations (15.6) (13.0)
Other data:    
Capital cash expenditures 0.0 0.0
Investments 0.0 1.8
Total assets 7.1 16.7
Other and Eliminations    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenue 0.0 0.0
Cost of revenue 0.0 0.0
Selling, general and administrative 0.1 0.0
Depreciation and amortization 0.0 0.0
Other operating loss (income) 0.0 0.0
Income (loss) from operations (0.1) 0.0
Other data:    
Capital cash expenditures 0.0 0.0
Investments 0.0 0.0
Total assets $ 0.0 $ 0.0