Discontinued Operations Discontinued Operations - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Sep. 01, 2014	Mar. 31, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of assets of discontinued operations				$ 0	$ 80,711
Antioxidant, Ibuprofen and Propofol Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of assets of discontinued operations			$ 80,700
Impairment of Long-Lived Assets to be Disposed of, Net of Tax			60,300
Cumulative foreign currency translation gains included in pre-tax impairment charge			$ 16,700
Cash proceeds from divestitures, net	$ 104,700
Working capital settlement		$ 7,600