The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	May 31, 2020	May 31, 2019	Feb. 29, 2020
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment charge	$ 0
Amortization of trade names, customer lists, and patent	1,972,000	$ 1,904,000
Goodwill acquired			$ 893,000
Integrated Print & Graphics (Integrated) [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill acquired		$ 900,000