Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Mar. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value contingent consideration liability	$ 2.5	$ 6.7
Long-term Debt, Fair Value	370.0	370.0	$ 370.0
FruitSmart, Inc. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value contingent consideration liability		$ 6.7
Change in contingent consideration liability	$ (4.2)
Nonrecurring fair value measurements [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired fixed assets				$ 17.0