Accumulated Other Comprehensive Income (Loss) - Reclassifications in Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accumulated other comprehensive income (loss) - Total - Beginning Balance	$ 116,245		$ 85,264		$ 60,329
Other comprehensive income (loss) before reclassifications	(160,849)		31,702
Amounts reclassified from accumulated other comprehensive income (loss)	(17,889)		(365)
Total other comprehensive (loss) income, net of tax	(178,738)		31,337		24,832
Other comprehensive (income) loss attributable to noncontrolling interests	80		(356)
Accumulated other comprehensive income (loss) - Total - Ending Balance	(62,413)		116,245		85,264
Foreign Currency Translation
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accumulated other comprehensive income (loss) - Total - Beginning Balance	116,465		85,117			56,245
Other comprehensive income (loss) before reclassifications	(151,059)		31,704
Amounts reclassified from accumulated other comprehensive income (loss)	(17,750)	[1]	0
Total other comprehensive (loss) income, net of tax	(168,809)		31,704
Other comprehensive (income) loss attributable to noncontrolling interests	80		(356)
Accumulated other comprehensive income (loss) - Total - Ending Balance	(52,264)		116,465			56,245
Pension and Postretirement Benefits
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accumulated other comprehensive income (loss) - Total - Beginning Balance	487		989			5,060
Other comprehensive income (loss) before reclassifications	0		0
Amounts reclassified from accumulated other comprehensive income (loss)	(487)	[2]	(502)	[2]
Total other comprehensive (loss) income, net of tax	(487)		(502)
Other comprehensive (income) loss attributable to noncontrolling interests	0		0
Accumulated other comprehensive income (loss) - Total - Ending Balance	0		487			5,060
Net Investment Hedge
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accumulated other comprehensive income (loss) - Total - Beginning Balance	0		0			0
Other comprehensive income (loss) before reclassifications	11,384		0
Amounts reclassified from accumulated other comprehensive income (loss)	0		0
Total other comprehensive (loss) income, net of tax	11,384		0
Other comprehensive (income) loss attributable to noncontrolling interests	0		0
Accumulated other comprehensive income (loss) - Total - Ending Balance	11,384		0			0
Interest Rate Swap
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accumulated other comprehensive income (loss) - Total - Beginning Balance	0		0			0
Other comprehensive income (loss) before reclassifications	(21,174)		0
Amounts reclassified from accumulated other comprehensive income (loss)	212	[3]	0
Total other comprehensive (loss) income, net of tax	(20,962)		0
Other comprehensive (income) loss attributable to noncontrolling interests	0		0
Accumulated other comprehensive income (loss) - Total - Ending Balance	(20,962)		0			0
Other
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accumulated other comprehensive income (loss) - Total - Beginning Balance	(707)		(842)
Other comprehensive income (loss) before reclassifications	0		(2)
Amounts reclassified from accumulated other comprehensive income (loss)	136		137
Total other comprehensive (loss) income, net of tax	136		135
Other comprehensive (income) loss attributable to noncontrolling interests	0		0
Accumulated other comprehensive income (loss) - Total - Ending Balance	$ (571)		$ (707)

[1] Amounts reclassified from accumulated other comprehensive income (loss) for the year ended December 31, 2014 are included in (Loss) income from discontinued operations (net of tax) and resulted from the release of cumulative foreign currency translation adjustments into earnings upon the sale of our antioxidant, ibuprofen and propofol businesses and assets which closed on September 1, 2014. See Note 2, “Discontinued Operations.”

[2] The pre-tax portion of amounts reclassified from accumulated other comprehensive (loss) income consists of amortization of prior service benefit, which is a component of pension and postretirement benefits cost (credit). See Note 18, “Pension Plans and Other Postretirement Benefits.”

[3] The pre-tax portion of amounts reclassified from accumulated other comprehensive (loss) income is included in interest expense. See Note 13, “Long-Term Debt.”