STOCK OWNERSHIP AND BENEFIT PLANS - Schedule of Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Stock-based compensation expense [Line Items]
Stock-based compensation expense before income taxes and discontinued operations	$ 894
Stock-based compensation expense, net of income taxes		$ 2,447	$ 2,692	$ 2,411
Earnings per share impact - Basic:
Continuing operations (in dollars per share)		$ 0.18	$ 0.19	$ 0.18
Discontinued operations (in dollars per share)		0.00	0.01	0.00
Net income (in dollars per share)		0.18	0.20	0.18
Earnings per share impact - Diluted:
Continuing operations (in dollars per share)		0.18	0.19	0.18
Discontinued operations (in dollars per share)		0.00	0.01	0.00
Net income (in dollars per share)		$ 0.18	$ 0.20	$ 0.18
Continuing Operations [Member]
Stock-based compensation expense [Line Items]
Stock-based compensation expense before income taxes and discontinued operations		$ 3,362	$ 3,588	$ 3,401
Income tax benefit		(915)	(970)	(990)
Stock-based compensation expense, net of income taxes		2,447	2,618	2,411
Continuing Operations [Member] | Cost of products sold [Member]
Stock-based compensation expense [Line Items]
Stock-based compensation expense before income taxes and discontinued operations		243	309	304
Continuing Operations [Member] | General and administrative expenses [Member]
Stock-based compensation expense [Line Items]
Stock-based compensation expense before income taxes and discontinued operations		2,240	2,995	2,913
Continuing Operations [Member] | Selling and distribution expenses [Member]
Stock-based compensation expense [Line Items]
Stock-based compensation expense before income taxes and discontinued operations		343	284	184
Continuing Operations [Member] | Restructuring expense [Member]
Stock-based compensation expense [Line Items]
Stock-based compensation expense before income taxes and discontinued operations		536	0	0
Discontinued Operations [Member]
Stock-based compensation expense [Line Items]
Stock-based compensation expense before income taxes and discontinued operations		0	112	0
Income tax benefit		0	(38)	0
Stock-based compensation expense, net of income taxes		$ 0	$ 74	$ 0