Acquisitions - Additional Information (Details) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended		15 Months Ended
		Jan. 12, 2015	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Dec. 31, 2015	[2]
Business Acquisition [Line Items]
Goodwill	[1]		$ 1,472,553		$ 1,472,553		$ 1,472,553	$ 1,460,552
Acquisition and integration related costs			19,030	$ 22,832	37,588	$ 80,657
Rockwood Holdings, Inc.
Business Acquisition [Line Items]
Total purchase price		$ 5,725,321
Goodwill		$ 2,818,627
Change in purchase price allocation, goodwill					1,500		$ 193,800
Acquisition and integration related costs			18,400	19,900	36,100	75,700
Acquired finite-lived intangible assets, weighted average useful life		23 years
Utilization of inventory markup				37,300		85,500
Other significant projects
Business Acquisition [Line Items]
Acquisition and integration related costs			$ 600	2,900	1,500	5,000
Patents and technology | Rockwood Holdings, Inc.
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life		20 years
Trade names and trademarks | Rockwood Holdings, Inc.
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life		20 years
Customer lists and relationships | Rockwood Holdings, Inc.
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life		24 years
Cost of Sales | Rockwood Holdings, Inc.
Business Acquisition [Line Items]
Acquisition measurement period adjustments					200
Utilization of inventory markup				24,200		47,500
(Loss) Income from Discontinued Operations, Net of Tax | Rockwood Holdings, Inc.
Business Acquisition [Line Items]
Acquisition measurement period adjustments					$ 4,100
Acquisition and integrated related costs | Rockwood Holdings, Inc.
Business Acquisition [Line Items]
Acquisition and integration related costs				$ 21,300		$ 78,700

[1] As of June 30, 2016 and December 31, 2015, $1.4 billion and $1.5 billion, respectively, of Goodwill was classified as Assets held for sale in the condensed consolidated balance sheets. See Note 3, “Divestitures,” for additional information.

[2] The December 31, 2015 balances have been recast to reflect a change in segments. See Note 12, “Segment Information,” for further details.