Discontinued Operations Discontinued Operations (Details) (USD $)	0 Months Ended	3 Months Ended
	Sep. 01, 2014	Mar. 31, 2015	Mar. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations (net of tax)		$ 0	$ (1,769,000)
Antioxidant, Ibuprofen and Propofol Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds from divestitures, net	104,700,000
Working capital settlement		7,600,000
Net sales		0	56,836,000
Loss from discontinued operations		0	(2,513,000)
Income tax benefit		0	(744,000)
Loss from discontinued operations (net of tax)		$ 0	$ (1,769,000)