Discontinued Operations Discontinued Operations - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
	Sep. 01, 2014	Mar. 31, 2015	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds from divestitures, net					$ 6,133	$ 104,718
Loss on disposal of businesses					$ 0	85,515
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
Working capital settlement		$ 7,600
Loss on disposal of businesses			$ 4,800	$ 80,700
Loss on disposal of businesses, net of tax			$ 3,600	$ 61,000
Cumulative foreign currency translation gains included in pre-tax impairment charge						$ 17,800