Quarterly Consolidated Financial Information (Unaudited) - Schedule of Unaudited Quarterly Financial Data of Company (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
Feb. 29, 2020	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Feb. 29, 2020	Feb. 28, 2019	Feb. 28, 2018
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 106,703	$ 114,860	$ 108,816	$ 108,033	$ 100,702	$ 108,070	$ 98,591	$ 93,419	$ 438,412	$ 400,782	$ 370,171
Type of revenue [extensible list]	ebf:CommercialPrintedProductMember	ebf:CommercialPrintedProductMember	ebf:CommercialPrintedProductMember	ebf:CommercialPrintedProductMember	ebf:CommercialPrintedProductMember	ebf:CommercialPrintedProductMember	ebf:CommercialPrintedProductMember	ebf:CommercialPrintedProductMember	ebf:CommercialPrintedProductMember	ebf:CommercialPrintedProductMember	ebf:CommercialPrintedProductMember
Gross profit margin	$ 29,934	$ 33,836	$ 32,458	$ 32,696	$ 29,091	$ 33,755	$ 30,323	$ 30,191	$ 128,924	$ 123,360	$ 117,202
Net earnings	8,574	10,553	9,533	9,632	8,204	10,419	9,567	9,247	38,292	37,437	32,905
Dividends paid	$ 5,864	$ 5,871	$ 5,876	$ 5,875	$ 5,878	$ 5,922	$ 5,728	$ 5,083	$ 23,486	$ 22,611	$ 22,260
Per share of common stock:
Basic net earnings	$ 0.33	$ 0.41	$ 0.37	$ 0.37	$ 0.32	$ 0.40	$ 0.37	$ 0.37
Diluted net earnings	0.33	0.41	0.37	0.37	0.32	0.40	0.37	0.36
Dividends	$ 0.225	$ 0.225	$ 0.225	$ 0.225	$ 0.225	$ 0.225	$ 0.225	$ 0.200	$ 0.900	$ 0.875	$ 0.875

Aggregate dividends paid during the period for each share of common stock outstanding.

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