Discontinued Operations (Details) (USD $)	3 Months Ended													12 Months Ended			0 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 15, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds from divestitures, net													$ 7,700,000	$ 104,718,000	$ 0	$ 9,646,000
(Loss) income from discontinued operations (net of tax)	(1,058,000)	[1]	(6,679,000)	[1]	(60,025,000)	[1]	(1,769,000)	[1]	(886,000)	531,000	2,628,000	1,835,000		(69,531,000)	4,108,000	4,281,000
Loss on disposal of businesses														85,515,000	0	0
Antioxidant, Ibuprofen and Propofol Assets - Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds from divestitures, net														104,700,000
Net sales														154,273,000	222,146,000	226,266,000
(Loss) income from discontinued operations														(90,439,000)	5,985,000	6,381,000
Income tax (benefit) expense														(20,908,000)	1,877,000	2,100,000
(Loss) income from discontinued operations (net of tax)														(69,531,000)	4,108,000	4,281,000
Loss on disposal of businesses														85,500,000
Loss on disposal of businesses, net of tax														65,700,000
Cumulative foreign currency translation gains included in pre-tax impairment charge														17,800,000
Discontinued Operations | Antioxidant, Ibuprofen and Propofol Assets - Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Post-closing adjustment, cash received																	$ 7,600,000

[1] Included in Loss from discontinued operations (net of tax) for the year ended December 31, 2014 is $(65.7) million related to the loss on the sale of our antioxidant, ibuprofen and propofol businesses and assets, the majority of which was recorded in the second quarter. See Note 2, “Discontinued Operations.”