v3.26.1
Segment information - Schedule of Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Revenues:        
Revenue $ 234.3 $ 140.9 $ 390.4 $ 363.1
Cost of sales reportable segments:        
Cost of goods and services sold [1] 97.1 66.9 169.1 155.4
Segment Reporting, Reconciliation of Other Item by Segment to Consolidated [Abstract]        
Amortization of intangible assets (17.2) (16.2) (33.7) (32.5)
Stock-based compensation expense (6.9) (4.6) (8.8) (6.1)
Impairment of long-lived assets (191.3) 0.0 (191.3) 0.0
Research and development (9.2) (12.5) (19.7) (27.6)
Selling, general and administrative (44.6) (43.7) (91.2) (96.1)
Interest expense (10.0) (14.7) (21.0) (29.4)
Loss on assets held-for-sale (10.7) 0.0 (10.7) (12.2)
Loss on extinguishment of debt (20.5) 0.0 (20.5) 0.0
Other, net 0.0 (3.7) 13.9 66.0
Income (loss) before income taxes (166.3) (16.8) (152.9) 75.9
Operating Segments        
Revenues:        
Revenue 220.4 125.9 365.1 327.8
Cost of sales reportable segments:        
Cost of goods and services sold 88.1 62.1 151.1 135.5
Segment adjusted gross margin reportable segments: 132.3 63.8 214.0 192.3
Segment Reporting, Reconciliation of Other Item by Segment to Consolidated [Abstract]        
All other revenues less other costs of revenue 5.9 10.3 8.9 16.8
Amortization of intangible assets (17.2) (16.2) (33.7) (32.5)
Severance and restructuring benefit 0.0 0.2 0.0 1.0
Inventory step-up provision (0.2) 0.0 (0.3) (1.8)
Stock-based compensation expense (0.8) (0.3) (1.3) (0.6)
Impairment of long-lived assets (191.3) 0.0 (191.3) 0.0
Research and development (9.2) (12.5) (19.7) (27.6)
Selling, general and administrative (44.6) (43.7) (91.2) (96.1)
Interest expense (10.0) (14.7) (21.0) (29.4)
Loss on assets held-for-sale (10.7) 0.0 (10.7) (12.2)
Loss on extinguishment of debt (20.5) 0.0 (20.5) 0.0
Other, net 0.0 (3.7) 13.9 66.0
Income (loss) before income taxes (166.3) (16.8) (152.9) 75.9
All other revenues        
Revenues:        
Revenue 13.9 15.0 25.3 35.3
Commercial Products | Operating Segments        
Revenues:        
Revenue 52.4 67.5 95.3 112.8
Cost of sales reportable segments:        
Cost of goods and services sold 36.2 36.2 63.0 60.7
Segment adjusted gross margin reportable segments: 16.2 31.3 32.3 52.1
Segment Reporting, Reconciliation of Other Item by Segment to Consolidated [Abstract]        
Severance and restructuring benefit   (0.2)   (0.2)
Stock-based compensation expense (0.1)   (0.1)  
MCM Products | Operating Segments        
Revenues:        
Revenue 168.0 58.4 269.8 215.0
Cost of sales reportable segments:        
Cost of goods and services sold 51.9 25.9 88.1 74.8
Segment adjusted gross margin reportable segments: 116.1 32.5 181.7 140.2
Segment Reporting, Reconciliation of Other Item by Segment to Consolidated [Abstract]        
Severance and restructuring benefit   0.4   1.2
Inventory step-up provision (0.2)   (0.3) (1.8)
Stock-based compensation expense $ (0.7) $ (0.3) $ (1.2) $ (0.6)
[1]
(1) Exclusive of intangible asset amortization