Goodwill and Intangible Assets - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Goodwill [Line Items] | ||||
| Goodwill impairment charge | $ 134.9 | $ 0.0 | $ 134.9 | $ 0.0 |
| Valuation techniques | In determining the fair value of the CST reporting unit, the Company used the income approach. Significant assumptions in the discounted cash flow model included, but were not limited to, a discount rate of 13.5%, revenue growth and operating margin assumptions at the lower end of the projected ranges for the Company’s other significant businesses. In determining the fair value of the BSB reporting unit, the Company used a weighted combination of the market approach and the income approach. Significant assumptions in the discounted cash flow model included, but were not limited to, a discount rate of 14.0%, revenue growth and operating margin rate assumptions at the higher end of the projected ranges for the Company’s other significant businesses. | |||
| Amortization expense related to intangible assets subject to amortization | 33.3 | 31.5 | $ 65.8 | 58.8 |
| Asset impairment | 157.7 | 10.3 | ||
| Existing Technology and Related Patents | ||||
| Goodwill [Line Items] | ||||
| Asset impairment | 0.0 | $ 6.8 | $ 7.2 | |
| BSI NANO | ||||
| Goodwill [Line Items] | ||||
| Goodwill impairment charge | 36.5 | 36.5 | ||
| BSI BioSpin | ||||
| Goodwill [Line Items] | ||||
| Goodwill impairment charge | $ 98.4 | $ 98.4 | ||
| CST | Measurement Input Discount Rate | ||||
| Goodwill [Line Items] | ||||
| Disount rate measuring fair value | 13.50% | 13.50% | ||
| BSB | Measurement Input Discount Rate | ||||
| Goodwill [Line Items] | ||||
| Disount rate measuring fair value | 14.00% | 14.00% | ||