Revenue Recognition (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Mar. 31, 2022	Mar. 31, 2021
Contract with Customer, Asset, Net, Current	$ 3,554,000		$ 3,554,000		$ 2,410,000
Revenue from Contract with Customer, Excluding Assessed Tax	231,740,000	$ 223,635,000	452,027,000	$ 437,099,000
Contract with Customer, Liability, Current	22,251,000	16,576,000	22,251,000	16,576,000	22,453,000	$ 15,373,000
Proceeds from Customers for Progress Payments			36,729,000
Contract with Customer, Liability, Revenue Recognized			(22,453,000)	(15,373,000)
Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress			(13,125,000)	(16,881,000)
Revenue, Remaining Performance Obligation, Amount	$ 10,667,000		$ 10,667,000
Revenue, Remaining Performance Obligation, Percentage	37.00%		37.00%
Allowance for Doubtful Other Receivables, Current	$ 5,104,000	5,210,000	$ 5,104,000	5,210,000	$ 5,717,000	$ 5,686,000
Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination			0	4,144,000
Contract with Customer, Liability, Other, Foreign Currency Translation			(1,353,000)	73,000
Proceeds from Deposits from Customers				29,240,000
Dorner
Revenue from Contract with Customer, Excluding Assessed Tax		33,539,000		67,718,000
SEC Schedule, 12-09, Valuation Allowances and Reserves, Business Acquired			0	152,000
SEC Schedule, 12-09, Allowance, Credit Loss
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense			493,000	291,000
Accounts Receivable, Allowance for Credit Loss, Writeoff			(811,000)	(1,003,000)
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account			(295,000)	(84,000)
Crane Solutions [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	90,087,000	83,911,000	169,418,000	163,578,000
Industrial Products [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	81,096,000	84,230,000	162,942,000	163,841,000
Engineered Products [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	21,504,000	21,933,000	39,774,000	41,925,000
All other [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	43,000	22,000	84,000	37,000
Precision Conveyor Products
Revenue from Contract with Customer, Excluding Assessed Tax	$ 39,010,000	$ 33,539,000	$ 79,809,000	$ 67,718,000
Long-term Contract with Customer [Member]
Revenue, Performance Obligation, Description of Warranty			24 to 36
Short-term Contract with Customer [Member]
Revenue, Performance Obligation, Description of Warranty			12