Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Mar. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 6,285	$ 3,192	$ 12,394	$ 6,307
Goodwill [Roll Forward]
Balance at April 1, 2021			331,176
Currency translation			(2,487)
Balance at September 30, 2021	615,329		615,329
Gross Carrying Amount	483,757		483,757		$ 292,783
Accumulated Amortization	(91,057)		(91,057)		(79,421)
Net	392,700		392,700		213,362
Indefinite-Lived Trademarks	47,595		47,595		47,857
Dorner
Goodwill [Roll Forward]
Balance at September 30, 2021	286,640		286,640
Trademark
Goodwill [Roll Forward]
Gross Carrying Amount	14,302		14,302		6,377
Accumulated Amortization	(5,168)		(5,168)		(4,760)
Net	9,134		9,134		1,617
Indefinite-lived Intangible Assets [Member]
Goodwill [Roll Forward]
Accumulated Amortization	0		0		0
Customer relationships
Goodwill [Roll Forward]
Gross Carrying Amount	326,554		326,554		188,447
Accumulated Amortization	(64,164)		(64,164)		(55,785)
Net	262,390		262,390		132,662
Unpatented Technology [Member]
Goodwill [Roll Forward]
Gross Carrying Amount	91,961		91,961		46,843
Accumulated Amortization	(18,817)		(18,817)		(16,021)
Net	73,144		73,144		30,822
Other
Goodwill [Roll Forward]
Gross Carrying Amount	3,345		3,345		3,259
Accumulated Amortization	(2,908)		(2,908)		(2,855)
Net	$ 437		$ 437		$ 404