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Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a projected indefinite period of benefit.

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Goodwill and Intangible Assets (Narrative) (Details)		3 Months Ended			9 Months Ended
Goodwill and Intangible Assets (Narrative) (Details)	Apr. 07, 2021	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) Reporting_Unit	Dec. 31, 2020 USD ($)	Mar. 31, 2021 USD ($)
Goodwill [Line Items]
Number of Reporting Units \| Reporting_Unit					3
Amortization of intangibles		$ 6,254,000		$ 3,142,000	$ 18,648,000	$ 9,449,000
Goodwill		657,084,000			657,084,000		$ 331,176,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two		26,600,000			26,600,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three		26,600,000			26,600,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four		26,600,000			26,600,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five		26,600,000			$ 26,600,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years				17 years
Indefinite-Lived Trademarks		47,243,000			$ 47,243,000		47,857,000
Goodwill, Impaired, Accumulated Impairment Loss		113,174,000			113,174,000
Finite-Lived Intangible Asset, Expected Amortization, Year One		26,600,000			26,600,000
Goodwill, Purchase Accounting Adjustments			$ 2,357,000
Rest of Products [Member]
Goodwill [Line Items]
Goodwill		315,633,000			315,633,000		321,477,000
Duff Norton Group [Member]
Goodwill [Line Items]
Goodwill							$ 9,699,000
Dorner
Goodwill [Line Items]
Goodwill		289,923,000			289,923,000
Precision Conveyance
Goodwill [Line Items]
Goodwill		331,752,000			$ 331,752,000
Trademark
Goodwill [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					13 years
Customer relationships
Goodwill [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					17 years
Goodwill, Purchase Accounting Adjustments		$ 3,000,000
Other Intangible Assets [Member]
Goodwill [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					5 years
Technology-Based Intangible Assets [Member]
Goodwill [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					16 years