Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2014	Jun. 16, 2014	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2015	Nov. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Jul. 31, 2015	Oct. 03, 2014
Business Acquisition [Line Items]
Net sales			$ 139,451	$ 146,971	$ 440,788	$ 439,998
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
Net sales			7,600		20,400		$ 25,000
Earn out provision period	3 years
Additional amount paid to sellers	$ 1,000
Earnings before income taxes			400		2,400
Sovereign [Member]
Business Acquisition [Line Items]
Total purchase consideration		$ 10,633
Net sales			5,900		18,800			$ 27,100
Earn out provision period		4 years
Additional amount paid to sellers		$ 1,000
Earnings before income taxes			$ 1,000		$ 3,100
Hoosier Data Forms [Member]
Business Acquisition [Line Items]
Total purchase consideration										$ 200