Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands			3 Months Ended								12 Months Ended
	Dec. 31, 2014	Jun. 16, 2014	Feb. 29, 2016	Nov. 30, 2015	Aug. 31, 2015	May. 31, 2015	Feb. 28, 2015	Nov. 30, 2014	Aug. 31, 2014	May. 31, 2014	Feb. 29, 2016	Feb. 28, 2015	Dec. 31, 2014	Feb. 28, 2014	Jul. 31, 2015	Oct. 03, 2014
Business Acquisition [Line Items]
Net sales			$ 128,185	$ 139,451	$ 150,761	$ 150,576	$ 140,242	$ 146,971	$ 151,841	$ 141,186	$ 568,973	$ 580,240		$ 542,442
CMC Group, Inc. [Member]
Business Acquisition [Line Items]
Total purchase consideration															$ 300
Kay Toledo [Member]
Business Acquisition [Line Items]
Total purchase consideration	$ 16,238												$ 16,238
Additional amount paid to sellers	$ 1,000
Net sales											26,500	3,900	25,000
Earnings before income taxes											2,800	400
Sovereign [Member]
Business Acquisition [Line Items]
Total purchase consideration		$ 10,633
Additional amount paid to sellers		$ 1,000
Net sales											24,300	19,800	$ 27,100
Earnings before income taxes											$ 4,000	$ 2,900
Earn out provision period		4 years
Hoosier Data Forms [Member]
Business Acquisition [Line Items]
Total purchase consideration																$ 200