Goodwill and Other Intangibles Other Intangibles (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period		$ 1,881,718
Foreign currency translation adjustments and other		27,065
Gross Asset Value, End of Period		1,898,522
Accumulated Amortization, Beginning of Period		(148,671)
Amortization		(16,783)
Foreign currency translation adjustments and other		(1,836)
Accumulated Amortization, End of Period		(167,290)
Net Book Value		1,731,232	$ 1,733,047
Customer lists and relationships
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period		1,284,057
Foreign currency translation adjustments and other		15,425
Gross Asset Value, End of Period		1,313,091
Accumulated Amortization, Beginning of Period		(71,958)
Amortization		(12,789)
Foreign currency translation adjustments and other		(970)
Accumulated Amortization, End of Period		(85,717)
Net Book Value		1,227,374	1,212,099
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	[1]	355,207
Foreign currency translation adjustments and other		7,763
Gross Asset Value, End of Period	[1]	338,840
Accumulated Amortization, Beginning of Period		(19,759)
Amortization		(1,637)
Foreign currency translation adjustments and other		(304)
Accumulated Amortization, End of Period		(21,700)
Net Book Value		317,140	335,448
Patents and technology
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period		200,101
Foreign currency translation adjustments and other		3,314
Gross Asset Value, End of Period		203,415
Accumulated Amortization, Beginning of Period		(39,777)
Amortization		(2,162)
Foreign currency translation adjustments and other		(469)
Accumulated Amortization, End of Period		(42,408)
Net Book Value		161,007	160,324
Other
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	[2]	42,353
Foreign currency translation adjustments and other		563
Gross Asset Value, End of Period	[2]	43,176
Accumulated Amortization, Beginning of Period		(17,177)
Amortization		(195)
Foreign currency translation adjustments and other		(93)
Accumulated Amortization, End of Period		(17,465)
Net Book Value		25,711	$ 25,176
Rockwood Holdings, Inc.
Finite-Lived Intangible Assets [Line Items]
Acquisition of other intangible assets	[3]	(7,955)
Rockwood Holdings, Inc. | Customer lists and relationships
Finite-Lived Intangible Assets [Line Items]
Acquisition of other intangible assets	[3]	15,915
Rockwood Holdings, Inc. | Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Acquisition of other intangible assets	[3]	(24,130)
Rockwood Holdings, Inc. | Patents and technology
Finite-Lived Intangible Assets [Line Items]
Acquisition of other intangible assets	[3]	0
Rockwood Holdings, Inc. | Other
Finite-Lived Intangible Assets [Line Items]
Acquisition of other intangible assets	[3]	260
Other significant projects
Finite-Lived Intangible Assets [Line Items]
Acquisition of other intangible assets	[4]	(2,306)
Other significant projects | Customer lists and relationships
Finite-Lived Intangible Assets [Line Items]
Acquisition of other intangible assets	[4]	(2,306)
Other significant projects | Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Acquisition of other intangible assets	[4]	0
Other significant projects | Patents and technology
Finite-Lived Intangible Assets [Line Items]
Acquisition of other intangible assets	[4]	0
Other significant projects | Other
Finite-Lived Intangible Assets [Line Items]
Acquisition of other intangible assets	[4]	$ 0

[1] Included in Trade Names and Trademarks are indefinite-lived intangible assets with a gross carrying amount of $113.2 million and $113.1 million at March 31, 2016 and December 31, 2015, respectively.

[2] Included in Other is an indefinite-lived intangible asset with a gross carrying amount of $22.1 million and $21.9 million at March 31, 2016 and December 31, 2015, respectively.

[3] Represents final purchase price adjustments for the Rockwood acquisition recorded in the three-month period ended March 31, 2016.

[4] Represents final purchase price adjustments for the Chemetall Shanghai acquisition recorded in the three-month period ended March 31, 2016.