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Revenue Recognition (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Contract with Customer, Asset, Net, Current	$ 2,563,000		$ 2,563,000		$ 8,559,000
Revenue from Contract with Customer, Excluding Assessed Tax	216,088,000	$ 166,547,000	653,187,000	$ 463,407,000
Contract with Customer, Liability, Current	28,116,000	15,758,000	28,116,000	15,758,000	15,373,000	$ 10,796,000
Proceeds from Customers for Progress Payments			26,807,000	28,411,000
Contract with Customer, Liability, Revenue Recognized			(28,460,000)	(24,636,000)
Revenue, Remaining Performance Obligation, Amount	$ 2,189,000		$ 2,189,000
Revenue, Remaining Performance Obligation, Percentage	71.00%		71.00%
Allowance for Doubtful Other Receivables, Current	$ 5,439,000	6,447,000	$ 5,439,000	6,447,000	$ 5,686,000	$ 5,056,000
Proceeds from Deposits from Customers			(354,000)	1,187,000
Dorner
Revenue from Contract with Customer, Excluding Assessed Tax	31,064,000		98,781,000
SEC Schedule, 12-09, Valuation Allowances and Reserves, Business Acquired			152,000	0
Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination			4,144,000	0
Garvey
SEC Schedule, 12-09, Valuation Allowances and Reserves, Business Acquired			75,000	0
Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination			10,606,000	0
SEC Schedule, 12-09, Allowance, Credit Loss
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense			961,000	2,512,000
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction			(1,520,000)	(1,405,000)
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account			85,000	284,000
Crane Solutions [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	81,213,000	75,970,000	244,791,000	216,602,000
Industrial Products [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	77,754,000	71,090,000	241,595,000	192,127,000
Engineered Products [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	20,693,000	19,454,000	62,618,000	54,611,000
All other [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	46,000	33,000	83,000	67,000
Precision Conveyor Products
Revenue from Contract with Customer, Excluding Assessed Tax	$ 36,382,000	$ 0	$ 104,100,000	$ 0
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

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