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Acquisitions (Details) $ in Millions |  |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jan. 01, 2022 segment | Dec. 01, 2021 USD ($) | Apr. 07, 2021 USD ($) | Dec. 09, 2020 segment | Mar. 31, 2022 USD ($) agreement segment | Mar. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) agreement
Acquisitions |  |  |  |  |  |  |
Number of reportable business segments | segment | 3 |  |  |  | 3 |  |
Number of acquisitions | agreement |  |  |  |  |  |  | 7
Number of acquisitions whose acquisition accounting has not yet been completed | agreement |  |  |  |  | 3 |  |
Purchase price, net of cash acquired |  |  |  |  | $ 0.0 | $ 185.6 | $ 2,225.4
Goodwill |  |  |  |  | $ 6,349.1 |  | 6,376.8
Number of acquisitions for which acquisition accounting has been completed | agreement |  |  |  |  | 4 |  |
MTS Systems Corporation and Other 2021 Acquisitions [Member] |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Acquisition-related expenses |  |  |  |  |  |  | 70.4
Acquisition-related expenses, net of tax |  |  |  |  |  |  | $ 57.3
Divested MTS business (including T&S, excluding Sensors business) [Member] |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Contingent consideration |  |  | $ 28.7 |  |  |  |
Proceeds from sale of business |  | $ 750.0 |  |  |  |  |
MTS Systems Corporation |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Business acquisition, effective date |  |  | Apr. 07, 2021 |  |  |  |
Number of reportable business segments | segment |  |  |  | 2 |  |  |
Purchase price, net of cash acquired |  |  | $ 1,300.0 |  |  |  |
Total enterprise value of Acquiree (aggregate purchase price, net of cash acquired and including the repayment of all outstanding debt and certain liabilities) |  |  | $ 1,700.0 |  |  |  |
Percentage acquired |  |  | 100.00% |  |  |  |
Senior note assumed in business acquisition |  |  | $ 350.0 |  |  |  |
Senior note assumed from business acquisition and repaid and settled shortly after closing, including accrued interest and make-whole premium |  |  | 387.3 |  |  |  |
Deferred tax liability |  |  | $ 47.0 |  |  |  |
MTS Sensors [Member] |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Purchase price of retained business, net of cash acquired and net of proceeds received from divested business. |  | $ 950.0 |  |  |  |  |
Goodwill |  |  |  |  | $ 737.8 |  |
Goodwill deductible for tax purposes |  |  |  |  | 0.0 |  |
Indefinite-lived intangible assets |  |  |  |  | 54.0 |  |
Definite-lived intangible assets |  |  |  |  | 178.2 |  |
Halo Technology Ltd [Member] |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Business acquisition, effective date |  | Dec. 01, 2021 |  |  |  |  |
Purchase price, net of cash acquired |  | $ 694.0 |  |  |  |  |
Percentage acquired |  | 97.00% |  |  |  |  |
Goodwill |  |  |  |  | 530.7 |  |
Goodwill deductible for tax purposes |  |  |  |  | 0.0 |  |
Indefinite-lived intangible assets |  |  |  |  | 28.0 |  |
Definite-lived intangible assets |  |  |  |  | 156.0 |  |
Customer relationships | MTS Sensors [Member] |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Definite-lived intangible assets |  |  |  |  | $ 122.9 |  |
Useful lives |  |  |  |  | 11 years |  |
Customer relationships | Halo Technology Ltd [Member] |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Definite-lived intangible assets |  |  |  |  | $ 31.0 |  |
Useful lives |  |  |  |  | 10 years |  |
Proprietary technology | MTS Sensors [Member] |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Definite-lived intangible assets |  |  |  |  | $ 39.1 |  |
Useful lives |  |  |  |  | 15 years |  |
Proprietary technology | Halo Technology Ltd [Member] |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Definite-lived intangible assets |  |  |  |  | $ 116.0 |  |
Useful lives |  |  |  |  | 15 years |  |
Backlog | MTS Sensors [Member] |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Definite-lived intangible assets |  |  |  |  | $ 16.2 |  |
Useful lives |  |  |  |  | 3 months |  |
Backlog | Halo Technology Ltd [Member] |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Definite-lived intangible assets |  |  |  |  | $ 9.0 |  |
Useful lives |  |  |  |  | 1 month |  |
Harsh Environment Solutions |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Number of acquisitions | agreement |  |  |  |  |  |  | 1
Goodwill |  |  |  |  | $ 1,657.2 |  | $ 1,663.7
Interconnect and Sensor Systems |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Number of acquisitions | agreement |  |  |  |  |  |  | 3
Goodwill |  |  |  |  | 1,747.5 |  | $ 1,763.0
Communications Solutions |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Number of acquisitions | agreement |  |  |  |  |  |  | 3
Goodwill |  |  |  |  | $ 2,944.4 |  | $ 2,950.1
Halo Technology Limited [Member] | Maximum |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Noncontrolling interest, ownership percentage by noncontrolling owners |  | 3.00% |  |  |  |  |

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- Definition Represents the after tax amount of acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References No definition available. + Details
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