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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Feb. 07, 2024 | Jun. 02, 2023
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments |  |  |  |  |  |
Amortization of intangible assets |  | $ 64,500,000 | $ 43,900,000 | $ 28,500,000 |  |
Estimated amortization expense |  |  |  |  |  |
2025 |  | 57,000,000.0 |  |  |  |
2026 |  | 53,000,000.0 |  |  |  |
2027 |  | 52,000,000.0 |  |  |  |
2028 |  | 51,000,000.0 |  |  |  |
2029 |  | 50,000,000.0 |  |  |  |
Aggregate carrying value of definite lived intangible assets |  | 483,500,000 | 459,500,000 |  |  |
Goodwill | $ 455,300,000 | 834,500,000 | 704,800,000 | 455,300,000 |  |
Impairment of goodwill and intangible assets |  | 0 | 0 | 13,400,000 |  |
Impairments |  | 0 | 0 |  |  |
Other indefinite-lived intangible assets |  |  |  | 500,000 |  |
Intangibles, net |  | 703,000,000.0 | 680,800,000 |  |  |
Impairment charges |  | 900,000 | 0 | 300,000 |  |
ULC Robotics |  |  |  |  |  |
Estimated amortization expense |  |  |  |  |  |
Goodwill |  | 0 |  |  |  |
Impairment of goodwill and intangible assets | 12,900,000 |  |  |  |  |
Impairments | 12,000,000.0 |  |  |  |  |
Ingénia Technologies Inc. |  |  |  |  |  |
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments |  |  |  |  |  |
Amortization of intangible assets |  | 18,600,000 |  |  |  |
Estimated amortization expense |  |  |  |  |  |
Goodwill |  | 133,600,000 |  |  | $ 142,400,000 |
ASPEQ Parent Holdings, Inc. |  |  |  |  |  |
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments |  |  |  |  |  |
Amortization of intangible assets |  |  | 13,200,000 |  |  |
Estimated amortization expense |  |  |  |  |  |
Goodwill |  |  |  |  |  | $ 195,000,000.0
Trademarks |  |  |  |  |  |
Estimated amortization expense |  |  |  |  |  |
Trademarks |  | 219,500,000 | 221,300,000 |  |  |
Impairment charges |  | 0.0 | 0.0 | 500,000 |  |
Trademarks | ULC Robotics |  |  |  |  |  |
Estimated amortization expense |  |  |  |  |  |
Other indefinite-lived intangible assets | 900,000 |  |  |  |  |
Intangibles, net |  | 5,400,000 |  |  |  |
Trademarks | ASPEQ Parent Holdings, Inc. |  |  |  |  |  |
Estimated amortization expense |  |  |  |  |  |
Trademarks |  | 51,500,000 |  |  |  |
External revenues |  |  |  |  |  |
Estimated amortization expense |  |  |  |  |  |
Aggregate carrying value of definite lived intangible assets |  | 379,400,000 |  |  |  |
Trademarks |  | 156,500,000 |  |  |  |
Goodwill | 201,300,000 | 580,700,000 | 445,900,000 | 201,300,000 |  |
Impairments |  | 0 | 0 |  |  |
Detection and Measurement reportable segment |  |  |  |  |  |
Estimated amortization expense |  |  |  |  |  |
Aggregate carrying value of definite lived intangible assets |  | 104,100,000 |  |  |  |
Trademarks |  | 63,000,000.0 |  |  |  |
Goodwill | $ 254,000,000.0 | 253,800,000 | 258,900,000 | $ 254,000,000.0 |  |
Impairments |  | $ 0 | $ 0 |  |  |

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