Business Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Revenues	$ 936,240	$ 906,555	$ 649,642
Total assets:	1,698,455	1,685,707	1,150,432
Long-Lived Assets	1,101,526	1,137,563	619,291
Chain And Forged Attachments [Member]
Segment Reporting Information [Line Items]
Revenues	76,990	83,461	47,557
Hoists
Segment Reporting Information [Line Items]
Revenues	456,300	432,524	394,682
Industrial cranes
Segment Reporting Information [Line Items]
Revenues	38,369	43,482	37,025
Actuators and rotary unions
Segment Reporting Information [Line Items]
Revenues	84,663	84,999	75,458
Digital Power Control and Delivery Systems [Member]
Segment Reporting Information [Line Items]
Revenues	102,962	98,445	74,943
Elevator Application Drive Systems [Member]
Segment Reporting Information [Line Items]
Revenues	27,370	19,057	19,977
High Precision Conveyors
Segment Reporting Information [Line Items]
Revenues	149,586	144,587	0
United States
Segment Reporting Information [Line Items]
Revenues	595,363	548,620	348,986
Total assets:	1,127,321	1,105,956	540,184
Long-Lived Assets	791,835	811,276	269,061
GERMANY
Segment Reporting Information [Line Items]
Revenues	175,294	188,134	164,380
Total assets:	417,167	422,671	435,638
Long-Lived Assets	295,233	312,288	336,606
Europe, Middle East, and Africa (Excluding Germany)
Segment Reporting Information [Line Items]
Revenues	97,597	108,678	90,415
Total assets:	81,413	85,678	125,262
Long-Lived Assets	8,254	7,416	8,359
Canada
Segment Reporting Information [Line Items]
Revenues	18,883	16,719	15,443
Total assets:	12,668	15,651	8,647
Long-Lived Assets	1,267	1,446	1,395
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Revenues	16,720	17,680	13,829
Total assets:	16,063	18,575	19,326
Long-Lived Assets	2,207	2,574	2,235
Latin America [Member]
Segment Reporting Information [Line Items]
Revenues	32,383	26,724	16,589
Total assets:	43,823	37,176	21,375
Long-Lived Assets	$ 2,730	$ 2,563	$ 1,635