Business Combinations and Investments, Goodwill and Acquired Intangible Assets (Details 1) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012
Estimated fair values allocated to the assets acquired and liabilities
Current assets	$ 116.2
Property, plant and equipment	79.1
Goodwill	261.4
Acquired intangible assets	112.3
Other long-term assets	5.2
Current liabilities	(61.8)
Long-term liabilities	(123.2)
Net assets acquired	$ 389.2

Acquired Intangible Asset, Amount

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The amount of acquisition cost of a business combination allocated to current assets.

+ References

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- Definition

The amount of acquisition cost of a business combination allocated to current liabilities of the acquired entity.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

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-Name Emerging Issues Task Force (EITF)

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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The amount of acquisition cost of a business combination allocated to noncurrent liabilities of the acquired entity.

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Amount of acquisition cost of a business combination allocated to other noncurrent assets not separately disclosed.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

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- Definition

The net amount recognized as of the acquisition date for the aggregate identifiable assets acquired in excess of or less than the aggregate liabilities assumed.

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-Publisher FASB

-Name Accounting Standards Codification

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