Fair Value Measurements Schedule of Fair Value Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Mar. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-qualified deferred compensation asset	$ 7,889	$ 6,164
Non-qualified deferred compensation liability	(5,490)	(3,756)
Derivative contracts asset	285
Derivative contracts liability	(831)
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-qualified deferred compensation asset	7,889	6,164
Non-qualified deferred compensation liability	(5,490)	$ (3,756)
Designated Derivative Contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative contracts asset	243
Derivative contracts liability	(831)
Designated Derivative Contracts | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative contracts asset	243
Derivative contracts liability	(831)
Non-Designated Derivative Contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative contracts asset	42
Derivative contracts liability	0
Non-Designated Derivative Contracts | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative contracts asset	$ 42