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Acquisitions - Purchase Price Allocation (Details) - USD ($) $ in Thousands	Feb. 29, 2020	Feb. 28, 2019	Feb. 28, 2018
Purchase Price Allocation
Goodwill	$ 356,225	$ 323,756	$ 321,307
2020 Acquisitions [Member]
Purchase Price Allocation
Accounts receivable	4,591
Inventories	1,830
Prepaid expenses and other	22
Property, plant and equipment	5,336
Intangibles	15,512
Goodwill	39,419
Accounts payable and other accrued liabilities	(1,575)
Contingent consideration	(2,000)
Deferred income taxes	(2,507)
Total purchase price	$ 60,628