Fair Value Measurements Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-qualified deferred compensation asset	$ 7,362	$ 6,164
Non-qualified deferred compensation liability	5,191	$ 3,756
Other Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-qualified deferred compensation asset	7,362
Other Accrued Liabilities, Current | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accrued deferred compensation liability	668
Other Long Term Liabilities | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long term liabilities	$ 4,523