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Goodwill and Intangible Assets (Narrative) (Details) |  | 3 Months Ended |
--- | --- | --- | ---
Apr. 07, 2021 | Jun. 30, 2021 USD ($) Reporting_Unit | Jun. 30, 2020 USD ($) | Mar. 31, 2021 USD ($)
Goodwill [Line Items] |  |  |  |
Number of Reporting Units | Reporting_Unit |  | 3 |  |
Amortization of intangibles |  | $ 6,109,000 | $ 3,115,000 |
Goodwill |  | 621,939,000 |  | $ 331,176,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two |  | 24,400,000 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Three |  | 24,400,000 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Four |  | 24,400,000 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Five |  | 24,400,000 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 15 years |  |  |
Indefinite-Lived Trademarks |  | 48,074,000 |  | 47,857,000
Goodwill, Impaired, Accumulated Impairment Loss |  | 113,174,000 |  |
Finite-Lived Intangible Asset, Expected Amortization, Year One |  | 24,400,000 |  |
Rest of Products [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill |  | 323,560,000 |  | 321,477,000
Duff Norton Group [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill |  |  |  | $ 9,699,000
Dorner |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill |  | $ 288,680,000 |  |
Forecast [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 17 years |  |
Forecast [Member] | Trademark |  |  |  |
Goodwill [Line Items] |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 13 years |  |
Forecast [Member] | Customer relationships |  |  |  |
Goodwill [Line Items] |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 17 years |  |
Forecast [Member] | Other Intangible Assets [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 5 years |  |
Forecast [Member] | Technology-Based Intangible Assets [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 16 years |  |

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