Restructuring and Asset Impairment Charges - Non-Cash Charges (Details) - USD ($) $ in Thousands	5 Months Ended	7 Months Ended	12 Months Ended
	Aug. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Restructuring Cost and Reserve [Line Items]
Noncash charges	$ 213	$ 4,001	$ 1,054	$ 891
Leaf - North America
Restructuring Cost and Reserve [Line Items]
Noncash charges	17	0	0	545
Leaf - Other Regions
Restructuring Cost and Reserve [Line Items]
Noncash charges	196	1,036	772	346
Other Products and Services
Restructuring Cost and Reserve [Line Items]
Noncash charges	$ 0	$ 2,965	$ 282	$ 0