v3.25.2
Business Segment Information - Information by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Business segment information          
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]     srt:ChiefExecutiveOfficerMember    
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description     The chief operating decision maker uses segment operating income (loss) to assess the performance for each segment by comparing the results of each segment with one another, comparing actual results to budget and prior year, as well as to allocate resources.    
Total segment revenue $ 797.4 $ 800.7 $ 1,598.8 $ 1,522.4  
Operating expenses:          
Selling, general and administrative 231.4 221.3 456.8 416.6  
Research and development 100.2 92.2 197.3 174.0  
Operating Income 11.9 48.1 43.7 112.9  
Interest and other income (expense), net (11.4) (24.2) (18.1) (17.4)  
Income before income taxes, equity in income of unconsolidated investees, net of tax, and noncontrolling interests in consolidated subsidiaries 0.5 23.9 25.6 95.5  
Assets 6,339.8   6,339.8   $ 5,806.7
Capital Expenditures 30.3 24.5 56.3 46.0  
Depreciation and Amortization 56.1 45.1 106.5 79.9  
Operating segments          
Business segment information          
Total segment revenue 799.5 804.7 1,603.3 1,528.9  
Operating expenses:          
Cost of revenue 411.6 394.1 804.4 749.5  
Selling, general and administrative 196.2 184.2 382.8 347.7  
Research and development 98.7 91.6 194.5 173.2  
Operating Income 93.0 134.8 221.6 258.5  
Intersegment revenue          
Business segment information          
Total segment revenue 2.1 4.0 4.5 6.5  
Corporate, eliminations and other          
Operating expenses:          
Operating Income 21.1 24.3 47.9 [1] 47.2 [1]  
Assets [2] (44.0)   (44.0)   (41.5)
BSI BioSpin          
Business segment information          
Total segment revenue 195.3 217.5 403.1 400.3  
Operating expenses:          
Capital Expenditures 2.3 3.8 5.5 3.4  
Depreciation and Amortization 11.2 10.4 21.6 18.6  
BSI BioSpin | Operating segments          
Business segment information          
Total segment revenue 195.3 217.5 403.1 400.3  
Operating expenses:          
Cost of revenue 108.1 110.8 217.8 199.9  
Selling, general and administrative 40.9 38.3 79.9 75.3  
Research and development 23.2 21.8 45.2 43.9  
Operating Income 23.1 46.6 60.2 81.2  
BSI BioSpin | Intersegment revenue          
Business segment information          
Total segment revenue 0.0 0.0 0.0 0.0  
BSI CALID          
Business segment information          
Total segment revenue 285.8 265.6 565.9 493.5  
Operating expenses:          
Capital Expenditures 5.5 6.4 13.9 11.8  
Depreciation and Amortization 23.4 15.4 43.2 25.1  
BSI CALID | Operating segments          
Business segment information          
Total segment revenue 285.8 265.6 565.9 493.5  
Operating expenses:          
Cost of revenue 125.6 111.5 243.4 205.3  
Selling, general and administrative 76.9 68.9 149.8 126.7  
Research and development 30.0 26.8 58.0 52.0  
Operating Income 53.3 58.4 114.7 109.5  
BSI CALID | Intersegment revenue          
Business segment information          
Total segment revenue 0.0 0.0 0.0 0.0  
BSI Nano          
Business segment information          
Total segment revenue 252.1 252.5 508.7 492.9  
Operating expenses:          
Capital Expenditures 13.2 4.0 18.1 10.2  
Depreciation and Amortization 17.1 15.9 33.8 29.3  
BSI Nano | Operating segments          
Business segment information          
Total segment revenue 252.1 252.5 508.7 492.9  
Operating expenses:          
Cost of revenue 125.6 119.8 244.4 233.8  
Selling, general and administrative 72.7 71.8 142.1 134.8  
Research and development 44.4 41.7 89.6 75.3  
Operating Income 9.4 19.2 32.6 49.0  
BSI Nano | Intersegment revenue          
Business segment information          
Total segment revenue 0.0 0.0 0.0 0.0  
BSI BioSpin, BSI CALID, BSI NANO & Corporate | Operating segments          
Operating expenses:          
Assets 6,192.6   6,192.6   5,648.4
BEST          
Business segment information          
Total segment revenue 64.2 65.1 121.1 135.7  
Operating expenses:          
Capital Expenditures 2.4 6.3 7.2 13.9  
Depreciation and Amortization 2.4 2.1 4.5 4.1  
BEST | Operating segments          
Business segment information          
Total segment revenue 66.3 69.1 125.6 142.2  
Operating expenses:          
Cost of revenue 52.3 52.0 98.7 110.5  
Selling, general and administrative 5.7 5.2 11.0 10.9  
Research and development 1.1 1.3 1.7 2.0  
Operating Income 7.2 10.6 14.2 18.8  
Assets 191.2   191.2   $ 199.8
BEST | Intersegment revenue          
Business segment information          
Total segment revenue 2.1 4.0 4.5 6.5  
Corporate          
Operating expenses:          
Capital Expenditures 6.9 4.0 11.6 6.7  
Depreciation and Amortization 2.0 1.3 3.4 2.8  
Unallocated Expenses          
Operating expenses:          
Operating Income $ 60.0 $ 62.4 $ 130.0 [3] $ 98.4 [3]  
[1] Represents corporate costs and intersegment eliminations not allocated to the reportable segments. Unallocated costs include general and administrative expenses not directly incurred by the segments such as professional fees incurred for the quarterly reviews and annual audit of the consolidated financial statements, personnel costs of corporate accounting, finance, legal, and IT resources, and other expense items.
[2] Assets not allocated to the reportable segments and eliminations of intercompany transactions.
[3] Unallocated expenses consist of costs related to restructuring actions, acquisition and related integration expenses, amortization of acquired intangible assets, costs associated with our global information technology transition initiatives, and other costs.