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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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)	9 Months Ended		12 Months Ended
	Nov. 30, 2020	Nov. 30, 2019	Feb. 29, 2020
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment charge	$ 0
Amortization of trade names, customer lists, and patent	5,978,000	$ 5,798,000
Goodwill acquired			$ 893,000
Integrated Print & Graphics (Integrated) [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill acquired	$ 900,000