Proposed Acquisition of Rockwood Financing Related to the Merger (Details) (USD $)	3 Months Ended			0 Months Ended		0 Months Ended				8 Months Ended		8 Months Ended		0 Months Ended
	Sep. 30, 2014 Bridge Loan	Jul. 15, 2014 Bridge Loan Senior Unsecured Cash Bridge Facility	Jul. 15, 2014 Bridge Loan Senior Unsecured Bridge Facility	Aug. 15, 2014 Short-term Debt Term Loan	Aug. 15, 2014 Short-term Debt Term Loan	Aug. 15, 2014 Minimum Short-term Debt Term Loan	Aug. 15, 2014 Maximum Short-term Debt Term Loan	Jul. 15, 2014 Merger Scenario Rockwood Holdings, Inc.	Feb. 07, 2014 Revolving Credit Facility	Sep. 30, 2014 Revolving Credit Facility	Feb. 07, 2014 Revolving Credit Facility	Sep. 30, 2014 Revolving Credit Facility Minimum	Sep. 30, 2014 Revolving Credit Facility Maximum	Aug. 15, 2014 Revolving Credit Facility Merger Scenario Rockwood Holdings, Inc.	Feb. 07, 2014 Revolving Credit Facility Merger Scenario Rockwood Holdings, Inc.
Debt Instrument [Line Items]
Debt Instrument, Unused Borrowing Capacity		$ 1,150,000,000	$ 2,700,000,000		$ 1,000,000,000
Business Combination, Consideration Transferred, Liabilities Incurred								1,700,000,000
Bridge Loan Fees	15,500,000
Bridge Loan Fees Expensed In Period	6,800,000
Interest rate margin				1.125%		1.125%	2.50%			1.00%		0.90%	1.50%
Debt Covenant Ratio, Maximum Debt to EBITDA				4.50					3.50					4.50
Debt Covenant Ratio, Maximum Debt to EBITDA, Quarterly Reduction Following Completion of Merger, Number of Quarters														4
Debt Covenant Ratio, Maximum Debt to EBITDA, Quarterly Reduction Following Completion of Merger														0.25
Additional borrowing capacity											$ 250,000,000.0				$ 100,000,000