Goodwill and Other Intangible Assets, Net - Intangible Assets and Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020
Finite-lived Intangible Assets [Roll Forward]
Beginning Gross Carrying Amount	$ 124,751	$ 132,620
Additions	6,120	2,663
Accumulated Amortization	(60,730)	(66,784)
Impact of Foreign Currency Translation	936	(2,551)
Ending Intangible Assets, Net	71,077	65,948
Goodwill [Roll Forward]
Beginning Gross Carrying Amount	0
Additions	6,120
Impact of Foreign Currency Translation	0
Ending Intangible Assets, Net	6,120	0
Amortization of intangible assets	1,839	$ 6,991
Other Products and Services Segment
Goodwill [Roll Forward]
Ending Intangible Assets, Net	$ 6,120
Customer relationships
Schedule of Intangible Assets [Line Items]
Weighted Average Remaining Useful Life	8 years 5 months 12 days	8 years 7 months 28 days
Finite-lived Intangible Assets [Roll Forward]
Beginning Gross Carrying Amount	$ 63,980	$ 63,980
Additions	0	0
Accumulated Amortization	(34,054)	(33,049)
Impact of Foreign Currency Translation	0	0
Ending Intangible Assets, Net	$ 29,926	$ 30,931
Production and supply contracts
Schedule of Intangible Assets [Line Items]
Weighted Average Remaining Useful Life	2 years 9 months	3 years
Finite-lived Intangible Assets [Roll Forward]
Beginning Gross Carrying Amount	$ 7,000	$ 14,893
Additions	0	0
Accumulated Amortization	(3,354)	(11,217)
Impact of Foreign Currency Translation	0	0
Ending Intangible Assets, Net	$ 3,646	3,676
Goodwill [Roll Forward]
Amortization of intangible assets		$ 7,893
Internally developed software
Schedule of Intangible Assets [Line Items]
Weighted Average Remaining Useful Life	3 years 7 months 6 days	3 years 11 months 15 days
Finite-lived Intangible Assets [Roll Forward]
Beginning Gross Carrying Amount	$ 22,385	$ 19,917
Additions	0	2,468
Accumulated Amortization	(19,427)	(19,082)
Impact of Foreign Currency Translation	17	0
Ending Intangible Assets, Net	$ 2,975	$ 3,303
Licenses
Schedule of Intangible Assets [Line Items]
Weighted Average Remaining Useful Life	16 years 9 months	16 years 11 months 12 days
Finite-lived Intangible Assets [Roll Forward]
Beginning Gross Carrying Amount	$ 30,886	$ 33,330
Additions	0	195
Accumulated Amortization	(3,754)	(3,310)
Impact of Foreign Currency Translation	919	(2,551)
Ending Intangible Assets, Net	$ 28,051	$ 27,664
Trade names
Schedule of Intangible Assets [Line Items]
Weighted Average Remaining Useful Life	5 years 9 months	6 years
Finite-lived Intangible Assets [Roll Forward]
Beginning Gross Carrying Amount	$ 500	$ 500
Additions	0	0
Accumulated Amortization	(141)	(126)
Impact of Foreign Currency Translation	0	0
Ending Intangible Assets, Net	$ 359	$ 374