Revenue Recognition (Details) - USD ($)		12 Months Ended
		Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Contract with Customer, Asset, Net, Current		$ 2,410,000	$ 8,559,000
Revenue from Contract with Customer, Excluding Assessed Tax		906,555,000	649,642,000	$ 809,162,000
Contract with Customer, Liability, Current		22,453,000	15,373,000	10,796,000
Proceeds from Customers for Progress Payments		51,850,000	35,815,000
Contract with Customer, Liability, Revenue Recognized		(15,373,000)	(10,796,000)
Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination		14,750,000
Increase (Decrease) in Deferred Revenue and Customer Advances and Deposits		(578,000)	735,000
Accounts Receivable, Allowance for Credit Loss, Current		5,717,000	5,686,000	5,056,000
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense		2,171,000	2,495,000	(1,931,000)
Deductions		(1,955,000)	(1,973,000)	(1,254,000)
Charged to Other Accounts		85,000	175,000	730,000
Revenue, Remaining Performance Obligation, Amount		$ 1,918,000
Revenue, Remaining Performance Obligation, Percentage		81.00%
Allowance for doubtful accounts
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense		$ 1,929,000	2,411,000	(3,115,000)
Deductions	[1]	(1,955,000)	(1,973,000)	(1,254,000)
Business Combination, Acquired Receivables, Estimated Uncollectible		(227,000)
Charged to Other Accounts		$ (170,000)	192,000	$ 69,000
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
Other Income [Member]
Contract with Customer, Liability, Revenue Recognized		$ (43,569,000)	(21,177,000)
Engineered Products [Member]
Revenue from Contract with Customer, Excluding Assessed Tax		87,604,000	79,989,000
All other [Member]
Revenue from Contract with Customer, Excluding Assessed Tax		98,000	104,000
Crane Solutions [Member]
Revenue from Contract with Customer, Excluding Assessed Tax		339,400,000	298,135,000
Industrial Products [Member]
Revenue from Contract with Customer, Excluding Assessed Tax		$ 334,866,000	$ 271,414,000

[1] SCHEDULE II—Valuation and qualifying accounts March 31, 2022, 2021, and 2020 Dollars in thousands   Additions          Description Balance at
Beginning
of Period Charged to Costs and Expenses Charged
to Other
AccountsAcquisition/DivestitureDeductions Balance
at End of
Period Year ended March 31, 2022:        Deducted from asset accounts:       Allowance for doubtful accounts$5,686 $1,929 $(170)$227 $1,955 (1)$5,717 Deferred tax asset valuation allowance15,103 242 255 547 —  16,147 Total$20,789 $2,171 $85 $774 $1,955  $21,864 Reserves on balance sheet:      Accrued general and product liability costs, net of insurance recoveries$13,175 $6,648 $— $— $6,409 (2)$13,414  Year ended March 31, 2021:        Deducted from asset accounts:       Allowance for doubtful accounts$5,056 $2,411 $192 $— $1,973 (1)$5,686 Deferred tax asset valuation allowance15,036 84 (17)— —  15,103 Total$20,092 $2,495 $175 $— $1,973  $20,789 Reserves on balance sheet:      Accrued general and product liability costs, net of insurance recoveries$11,944 $4,634 $— $— $3,403 (2)$13,175  Year ended March 31, 2020:        Deducted from asset accounts:       Allowance for doubtful accounts$3,264 $3,115 $(69)$— $1,254 (1)$5,056 Deferred tax asset valuation allowance16,881 (1,184)(661)— —  15,036 Total$20,145 $1,931 $(730)$— $1,254  $20,092 Reserves on balance sheet:      Accrued general and product liability costs, net of insurance recoveries$12,686 $3,033 $— $— $3,775 (2)$11,944    _________________ (1)Uncollectible accounts written off, net of recoveries (2)Insurance claims and expenses paid