Discontinued Operations - Summarized Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) income from discontinued operations, net of tax	$ (1,129)	$ 308
Discontinued Operations, Held-for-sale or Disposed of by Sale | South African Distribution Business and Zambian Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	5,261	11,157
Other (loss) income, net	(288)	66
Cost of products sold	4,819	8,990
Selling, general and administrative	937	1,602
Currency exchange losses, net	18	170
(Loss) income from discontinued operations before income taxes	(801)	461
Provision for income taxes	328	153
(Loss) income from discontinued operations, net of tax	$ (1,129)	$ 308