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v3.25.3

Acquisitions (Details) $ in Millions |  |  |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 18, 2025 USD ($) | Aug. 04, 2025 USD ($) | Jan. 31, 2025 USD ($) | Jul. 18, 2024 | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) agreement | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) agreement | Aug. 22, 2025 USD ($)
Acquisitions |  |  |  |  |  |  |  |  |  |
Number of acquisitions | agreement |  |  |  |  |  |  |  |  | 2 |
Purchase price, net of cash acquired |  |  |  |  |  |  | $ 2,772.2 | $ 2,099.8 | $ 2,156.4 |
Goodwill |  |  |  |  | $ 9,868.6 |  | 9,868.6 |  | 8,236.2 |
Acquisition-related expenses |  |  |  |  | 0.0 | $ 45.4 | $ 56.0 | 115.4 |  |
Delayed Draw Term Loan With 3 Years Term |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Debt instrument, principal amount |  |  |  |  |  |  |  |  |  | $ 2,000.0
Delayed Draw Term Loan With 364 Days Term |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Debt instrument, principal amount |  |  |  |  |  |  |  |  |  | 2,000.0
Senior Unsecured Bridge Facility [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 10,500.0 |  |  |  |  |  |  |  |
2025 Acquisitions |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Number of acquisitions | agreement |  |  |  |  |  |  | 4 |  |  |
Purchase price, net of cash acquired |  |  |  |  |  |  | $ 2,772.2 |  |  |
Goodwill |  |  |  |  | 875.0 |  | 875.0 |  |  |
Definite-lived intangible assets |  |  |  |  |  |  | 800.0 |  |  |
Goodwill deductible for tax purposes |  |  |  |  | 813.0 |  | 813.0 |  |  |
Acquisition-related expenses |  |  |  |  |  |  | 133.8 |  |  |
Acquisition-related expenses, net of tax |  |  |  |  |  |  | 106.3 |  |  |
2024 Acquisitions |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  | 1,198.2 |  | 1,198.2 |  |  |
Definite-lived intangible assets |  |  |  |  |  |  | 576.0 |  |  |
Goodwill deductible for tax purposes |  |  |  |  | 61.2 |  | $ 61.2 |  |  |
Total acquisition-related expenses |  |  |  |  |  | 63.6 |  | 133.6 |  |
Total acquisition-related expenses, net of tax |  |  |  |  |  | 49.8 |  | 109.7 |  |
Acquisition-related expenses |  |  |  |  |  | 45.4 |  | 115.4 |  |
Andrew Business Acquisition |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Business acquisition, effective date |  |  | Jan. 31, 2025 |  |  |  |  |  |  |
Business acquisition, date of agreement |  |  |  | Jul. 18, 2024 |  |  |  |  |  |
Purchase price, net of cash acquired |  |  | $ 2,022.7 |  |  |  |  |  |  |
Connectivity and Cable Solutions Business |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Business acquisition, date of agreement |  | Aug. 04, 2025 |  |  |  |  |  |  |  |
Expected price of acquisition |  | $ 10,500.0 |  |  |  |  |  |  |  |
Connectivity and Cable Solutions Business | Scenario, Plan [Member] | Delayed Draw Term Loans [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Debt instrument, principal amount |  |  |  |  |  |  |  |  |  | $ 4,000.0
Connectivity and Cable Solutions Business | Scenario, Plan [Member] | New Senior Unsecured Notes [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Debt instrument, principal amount |  | $ 6,500.0 |  |  |  |  |  |  |  |
Trexon Acquisition |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Business acquisition, date of agreement | Aug. 18, 2025 |  |  |  |  |  |  |  |  |
Expected price of acquisition | $ 1,000.0 |  |  |  |  |  |  |  |  |
Customer relationships | 2025 Acquisitions | Minimum |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Finite-lived acquired intangible assets weighted-average useful life |  |  |  |  |  |  | 12 years |  |  |
Customer relationships | 2025 Acquisitions | Maximum |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Finite-lived acquired intangible assets weighted-average useful life |  |  |  |  |  |  | 15 years |  |  |
Customer relationships | 2024 Acquisitions | Minimum |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Finite-lived acquired intangible assets weighted-average useful life |  |  |  |  |  |  | 8 years |  |  |
Customer relationships | 2024 Acquisitions | Maximum |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Finite-lived acquired intangible assets weighted-average useful life |  |  |  |  |  |  | 15 years |  |  |
Proprietary technology | 2025 Acquisitions | Minimum |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Finite-lived acquired intangible assets weighted-average useful life |  |  |  |  |  |  | 12 years |  |  |
Proprietary technology | 2025 Acquisitions | Maximum |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Finite-lived acquired intangible assets weighted-average useful life |  |  |  |  |  |  | 15 years |  |  |
Backlog | 2025 Acquisitions |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Finite-lived acquired intangible assets weighted-average useful life |  |  |  |  |  |  | 3 months |  |  |
Backlog | 2024 Acquisitions |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Finite-lived acquired intangible assets weighted-average useful life |  |  |  |  |  |  | 4 months 24 days |  |  |
Amortization of Inventory step-up costs recorded to Cost of Sales | Carlisle Interconnect Technologies Acquisition |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Amortization of acquisition-related inventory step-up costs recorded in Cost of sales |  |  |  |  |  | $ 18.2 |  | $ 18.2 |  |
Amortization of Inventory step-up costs recorded to Cost of Sales | Andrew Business Acquisition |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Amortization of acquisition-related inventory step-up costs recorded in Cost of sales |  |  |  |  |  |  | $ 77.8 |  |  |
Communications Solutions |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  | 3,856.4 |  | $ 3,856.4 |  | $ 2,951.5 |
Communications Solutions | Andrew Business Acquisition |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Number of acquisitions | agreement |  |  |  |  |  |  | 1 |  |  |
Harsh Environment Solutions |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Number of acquisitions | agreement |  |  |  |  |  |  | 2 |  | 2 |
Goodwill |  |  |  |  | 3,568.3 |  | $ 3,568.3 |  | $ 3,180.0 |
Interconnect and Sensor Systems |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |
Number of acquisitions | agreement |  |  |  |  |  |  | 1 |  |  |
Goodwill |  |  |  |  | $ 2,443.9 |  | $ 2,443.9 |  | $ 2,104.7 |

X
- Definition This element represents acquisition-related costs incurred, which are recorded below gross profit and above (component of) operating income, as a separate line item on the Income Statement. These are costs that include, but are not limited to, external transaction costs, professional fees, and the amortization of acquired backlog. + References No definition available. + Details
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X
- Definition This element represents the after-tax amount of acquisition-related costs incurred, which are recorded below gross profit and above (component of) operating income, as a separate line item on the Income Statement. These after tax costs are costs that include, but are not limited to, external transaction costs, professional fees, and the amortization of acquired backlog. + References No definition available. + Details
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X
- Definition This element represents the total acquisition-related costs incurred, the components of which are recorded to either Cost of sales or separately reported in the income statement (below gross profit and a component of operating income) as acquisition-related expenses. These costs include, but are not limited to, external transaction costs, professional fees, amortization of acquired backlog and amortization of acquisition-related inventory step-up costs. + References No definition available. + Details
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- Definition This element represents the after-tax amount of total acquisition-related costs incurred, the components of which are recorded to either Cost of sales or separately reported in the income statement (below gross profit and a component of operating income) as acquisition-related expenses. These costs include, but are not limited to, external transaction costs, professional fees, amortization of acquired backlog and amortization of acquisition-related inventory step-up costs + References No definition available. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 + Details
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- Definition The amount of expense recognized in the current period that reflects the allocation of capitalized costs associated with acquisition of business. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Date when acquirer obtains control of acquiree in business combination, in YYYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-8 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 38 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479303/805-10-55-38 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 10 -Name Accounting Standards Codification -Section 25 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479405/805-10-25-7 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 10 -Name Accounting Standards Codification -Section 25 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479405/805-10-25-6 + Details
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- Definition Line items represent financial concepts included in a table. 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