Goodwill and Other Intangibles Goodwill and Other Intangibles (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Goodwill [Line Items]
Business acquisition percentage of capital stock acquired	100.00%
Purchase of business, net of cash held by the business	$ 80,180	$ 0	$ 0
Contingent consideration payments	25,000
Goodwill, Acquired During Period	28,863	0
Goodwill	126,826	97,907	$ 98,807
Goodwill Impairment	0	(889)
Amortization of Intangible Assets	$ 800	100
FruitSmart, Inc. [Member]
Goodwill [Line Items]
Business acquisition percentage of capital stock acquired	100.00%
Purchase of business, net of cash held by the business	$ 80,000
Contingent consideration payments	25,000
Goodwill, Acquired During Period	28,900
Goodwill	28,863
Business combination finite-lived intangibles	$ 18,600
Tanzania
Goodwill [Line Items]
Goodwill Impairment		$ (900)