Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)		9 Months Ended		12 Months Ended
	Mar. 02, 2017	Nov. 30, 2017	Nov. 30, 2016	Feb. 28, 2018	Feb. 28, 2017
Finite-Lived Intangible Assets [Line Items]
Amortization of trade names, customer lists, and patent		$ 4,566,000	$ 3,494,000
Goodwill acquired					$ 6,066,000
Independent Printing Company, Inc. [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill acquired					$ 6,100,000
Selling, General and Administrative [Member] | Scenario Forecast [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of trade names, customer lists, and patent				$ 830,000
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Remaining estimated useful life	17 years
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Remaining estimated useful life	19 years