Business Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Revenues	$ 906,555	$ 649,642	$ 809,162
Total assets:	1,685,707	1,150,432	1,093,272
Long-Lived Assets	1,137,563	619,291	617,114
Chain And Forged Attachments [Member]
Segment Reporting Information [Line Items]
Revenues	83,461	47,557	68,666
Hoists
Segment Reporting Information [Line Items]
Revenues	432,524	394,682	492,126
Industrial cranes
Segment Reporting Information [Line Items]
Revenues	43,482	37,025	44,149
Actuators and rotary unions
Segment Reporting Information [Line Items]
Revenues	84,999	75,458	77,957
Digital Power Control and Delivery Systems [Member]
Segment Reporting Information [Line Items]
Revenues	98,445	74,943	100,658
Elevator Application Drive Systems [Member]
Segment Reporting Information [Line Items]
Revenues	19,057	19,977	25,606
High Precision Conveyors
Segment Reporting Information [Line Items]
Revenues	144,587	0	0
United States
Segment Reporting Information [Line Items]
Revenues	548,620	348,986	450,242
Total assets:	1,105,956	540,184	518,914
Long-Lived Assets	811,276	269,061	272,816
GERMANY
Segment Reporting Information [Line Items]
Revenues	188,134	164,380	175,492
Total assets:	422,671	435,638	438,210
Long-Lived Assets	312,288	336,606	327,420
Europe, Middle East, and Africa (Excluding Germany)
Segment Reporting Information [Line Items]
Revenues	108,678	90,415	121,600
Total assets:	85,678	125,262	86,638
Long-Lived Assets	7,416	8,359	9,561
Canada
Segment Reporting Information [Line Items]
Revenues	16,719	15,443	21,984
Total assets:	15,651	8,647	9,979
Long-Lived Assets	1,446	1,395	1,192
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Revenues	17,680	13,829	14,193
Total assets:	18,575	19,326	20,314
Long-Lived Assets	2,574	2,235	4,928
Latin America [Member]
Segment Reporting Information [Line Items]
Revenues	26,724	16,589	25,651
Total assets:	37,176	21,375	19,217
Long-Lived Assets	$ 2,563	$ 1,635	$ 1,197