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Revenue Recognition (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Mar. 31, 2020	Mar. 31, 2019
Contract with Customer, Asset, Net, Current	$ 3,782,000		$ 3,782,000		$ 2,361,000
Revenue from Contract with Customer, Excluding Assessed Tax	157,790,000	$ 207,609,000	296,860,000	$ 420,321,000
Contract with Customer, Liability, Current	14,284,000	13,630,000	14,284,000	13,630,000	10,796,000	$ 11,501,000
Proceeds from Customers for Progress Payments			18,533,000	19,596,000
Contract with Customer, Liability, Revenue Recognized			(15,754,000)	(17,141,000)
Increase (Decrease) in Deferred Revenue and Customer Advances and Deposits			$ 709,000	(326,000)
Revenue, Performance Obligation, Description of Payment Terms			30-60
Revenue, Remaining Performance Obligation, Amount	$ 5,962,000		$ 5,962,000
Revenue, Remaining Performance Obligation, Percentage	83.00%		83.00%
Allowance for Doubtful Accounts, Premiums and Other Receivables	$ 6,295,000		$ 6,295,000		5,056,000
SEC Schedule, 12-09, Allowance, Credit Loss
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount					$ 5,056,000
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense			2,364,000
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction			(1,218,000)
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account			93,000
Crane Solutions [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	71,643,000	96,597,000	140,632,000	195,240,000
Industrial Products [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	67,321,000	89,902,000	121,038,000	183,392,000
Engineered Products [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	18,830,000	21,101,000	35,157,000	41,661,000
All other [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ (4,000)	$ 9,000	$ 33,000	$ 28,000
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

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- Definition

The valuation allowance as of the balance sheet date to reduce the gross amount of receivables to estimated net realizable value, which would be presented in parentheses on the face of the balance sheet.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

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