v3.25.4
Segment Information - Reconciliation of Reportable Segment Revenues, Other Income and Adjusted EBITDA to Net Income (Loss) Before Income Taxes (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Revenues      
Revenues $ 463.4 $ 398.8 $ 382.8
Other Income, net      
Other income, net 0.0 1.5 2.8
Costs and Expenses [Abstract]      
Cost of revenues 168.7 147.5 137.6
Selling, general and administrative 241.2 170.4 168.3
Adjusted EBITDA      
All Other Category Adjusted EBITDA 7.2 6.2 3.6
General corporate and other expenses (51.4) (46.8) (42.6)
Interest expense, net (44.2) (39.3) (35.1)
Loss on extinguishment of debt 0.0 0.0 (2.3)
Intangible asset impairment charge 0.0 (7.3) 0.0
Depreciation and amortization expense (31.0) (28.3) (45.0)
Stock-based compensation expense (11.3) (5.8) (7.8)
Remeasurement of contingent consideration (45.8) 1.2 2.3
Other items (16.4) (14.7) (12.8)
(Loss) income before income taxes (21.6) 7.5 (2.9)
Connections Segment [Member]      
Revenues      
Revenues 423.1 355.1 340.2
Other Income, net      
Other income, net 0.0 1.5 2.8
Costs and Expenses [Abstract]      
Cost of revenues 158.2 136.0 127.4
Selling, general and administrative 93.6 78.3 78.8
Expenses 251.8 214.3 206.2
Adjusted EBITDA      
Segment Adjusted EBITDA 171.3 142.3 136.8
All Other [Member]      
Revenues      
Revenues 40.3 43.7 42.6
Costs and Expenses [Abstract]      
Cost of revenues 10.4 10.8 9.6
Selling, general and administrative $ 22.7 $ 26.7 $ 29.4