Restructuring Plan (Details) - USD ($) $ in Thousands	3 Months Ended		41 Months Ended
	May 31, 2021	May 31, 2020	Feb. 28, 2021	Feb. 28, 2022
Restructuring Plan
Restructuring charges	$ 6	$ 333
Cash restructuring payments for the reporting period	100
Project Refuel
Restructuring Plan
Incurred pre-tax restructuring costs	9,200
Restructuring charges	300	$ 300
Cash restructuring payments to date	$ 9,200
Minimum | Project Refuel
Restructuring Plan
Targeted annualized profit improvement			$ 10,500
Maximum | Project Refuel
Restructuring Plan
Targeted annualized profit improvement			$ 12,500
Scenario, Forecast | Project Refuel
Restructuring Plan
Expected restructuring costs				$ 10,300