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Goodwill and Intangible Assets (Narrative) (Details)
 3 Months Ended 9 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2022
USD ($)
Reporting_Unit
Dec. 31, 2021
USD ($)
Mar. 31, 2022
USD ($)
Goodwill [Line Items]          
Number of Reporting Units | Reporting_Unit     3    
Amortization of intangibles $ 6,459,000 $ 6,254,000 $ 19,442,000 $ 18,648,000  
Goodwill 642,430,000   642,430,000   $ 648,849,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two 25,900,000   25,900,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Three 25,900,000   25,900,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Four 25,900,000   25,900,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Five 25,900,000   $ 25,900,000    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     17 years    
Indefinite-Lived Trademarks 46,100,000   $ 46,100,000   46,721,000
Goodwill, Impaired, Accumulated Impairment Loss 113,174,000   113,174,000   113,174,000
Finite-Lived Intangible Asset, Expected Amortization, Year One 25,900,000   25,900,000    
Rest of Products [Member]          
Goodwill [Line Items]          
Goodwill 304,778,000   304,778,000   310,793,000
Duff Norton Group [Member]          
Goodwill [Line Items]          
Goodwill 9,699,000   9,699,000   9,699,000
Precision Conveyance          
Goodwill [Line Items]          
Goodwill $ 327,953,000   $ 327,953,000   $ 328,357,000
Trademark          
Goodwill [Line Items]          
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     14 years    
Customer relationships          
Goodwill [Line Items]          
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     17 years    
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