Goodwill and Other Intangible Assets Total Estimated Amortization Expense of Intangible Assets for the Next Five Fiscal Years (Details) (Rockwood Holdings, Inc., USD $) In Thousands, unless otherwise specified	Mar. 31, 2015
Rockwood Holdings, Inc.
Finite-Lived Intangible Assets [Line Items]
Remainder of 2015	$ 64,560
2016	86,080
2017	86,080
2018	86,080
2019	$ 86,080

Goodwill and Other Intangible Assets Total Estimated Amortization Expense of Intangible Assets for the Next Five Fiscal Years (Details) (Rockwood Holdings, Inc., USD $)
In Thousands, unless otherwise specified

Mar. 31, 2015

Rockwood Holdings, Inc.

Finite-Lived Intangible Assets [Line Items]