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. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2017	Aug. 31, 2017	May 31, 2017	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2017
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 100,702	$ 108,070	$ 98,591	$ 93,419	$ 87,088	$ 93,606	$ 94,887	$ 94,590	$ 400,782	$ 370,171	$ 356,888
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	$ 29,091	$ 33,755	$ 30,323	$ 30,191	$ 26,395	$ 29,956	$ 30,859	$ 29,992	$ 123,360	$ 117,202	$ 104,730
Net earnings	8,204	10,419	9,567	9,247	8,160	8,274	8,540	7,784	37,437	32,905	1,780
Dividends paid	$ 5,878	$ 5,922	$ 5,728	$ 5,083	$ 7,625	$ 5,083	$ 5,084	$ 4,468	$ 22,611	$ 22,260	$ 57,200
Per share of common stock:
Basic net earnings	$ 0.32	$ 0.40	$ 0.37	$ 0.37	$ 0.32	$ 0.33	$ 0.34	$ 0.31
Diluted net earnings	0.32	0.40	0.37	0.36	0.32	0.33	0.34	0.31
Dividends	$ 0.225	$ 0.225	$ 0.225	$ 0.200	$ 0.300	$ 0.200	$ 0.200	$ 0.175	$ 0.875	$ 0.875	$ 2.20

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

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