The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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GOODWILL AND OTHER INTANGIBLE ASSETS (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Changes made to finite-lived intangible assets by reportable segment
Gross carrying amounts	$ 1,276.8		$ 52.6
Accumulated amortization	(29.8)		(18.3)
Foreign currency translation adjustment	(2.4)
Net carrying amounts	1,244.6		34.3
Amortization expense for the definite-lived intangible assets	11.6	0.8
Total definite-lived intangible asset estimated annual amortization expense for the next five fiscal years
Year one	67.7
Year two	67.7
Year three	67.7
Year four	67.7
Year five	67.7
Customer relationships
Changes made to finite-lived intangible assets by reportable segment
Gross carrying amounts	1,238.5		35.2
Accumulated amortization	(19.6)		(8.7)
Foreign currency translation adjustment	(2.4)
Net carrying amounts	1,216.5		26.5
Customer relationships \| Weighted average
Changes made to finite-lived intangible assets by reportable segment
Weighted average estimated useful life	19 years
Technology
Changes made to finite-lived intangible assets by reportable segment
Gross carrying amounts	32.3		17.4
Accumulated amortization	(10.1)		(9.6)
Net carrying amounts	22.2		7.8
Technology \| Weighted average
Changes made to finite-lived intangible assets by reportable segment
Weighted average estimated useful life	16 years
Trade names
Changes made to finite-lived intangible assets by reportable segment
Gross carrying amounts	6.0
Accumulated amortization	(0.1)
Net carrying amounts	5.9
Trade names \| Weighted average
Changes made to finite-lived intangible assets by reportable segment
Weighted average estimated useful life	17 years
Chlorovinyls
Changes made to finite-lived intangible assets by reportable segment
Gross carrying amounts	1,224.2		0
Accumulated amortization	(10.7)
Foreign currency translation adjustment	(2.4)
Net carrying amounts	1,211.1
Chlorovinyls \| Customer relationships
Changes made to finite-lived intangible assets by reportable segment
Gross carrying amounts	1,203.3
Accumulated amortization	(10.5)
Foreign currency translation adjustment	(2.4)
Net carrying amounts	1,190.4
Chlorovinyls \| Technology
Changes made to finite-lived intangible assets by reportable segment
Gross carrying amounts	14.9
Accumulated amortization	(0.1)
Net carrying amounts	14.8
Chlorovinyls \| Trade names
Changes made to finite-lived intangible assets by reportable segment
Gross carrying amounts	6.0
Accumulated amortization	(0.1)
Net carrying amounts	5.9
Building Products
Changes made to finite-lived intangible assets by reportable segment
Gross carrying amounts	52.6		52.6
Accumulated amortization	(19.1)		(18.3)
Net carrying amounts	33.5		34.3
Building Products \| Customer relationships
Changes made to finite-lived intangible assets by reportable segment
Gross carrying amounts	35.2		35.2
Accumulated amortization	(9.1)		(8.7)
Net carrying amounts	26.1		26.5
Building Products \| Technology
Changes made to finite-lived intangible assets by reportable segment
Gross carrying amounts	17.4		17.4
Accumulated amortization	(10.0)		(9.6)
Net carrying amounts	$ 7.4		$ 7.8