Assets Held for Sale (Details) - Disposal Group, Held-for-sale, Not Discontinued Operations $ in Thousands	3 Months Ended
	May 31, 2021 USD ($)
Assets
Accounts receivable	$ 4,715
Inventories	2,600
Contract assets	2,204
Other current assets	186
Property, plant and equipment	1,348
Other assets	43
Goodwill	1,693
Liabilities
Accounts payable	856
Contract liabilities	1,926
Other accrued liabilities	877
Lease liability – long term	12
Total carrying value	9,118
Less: Impairment of carrying value of remaining assets held for sale to estimated sales price	(3,490)
Fair value of disposal group	$ 5,628