Property, Plant and Equipment (Details) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Property, Plant and Equipment
Land	$ 22.5	$ 22.0
Building and equipment	1,197.4	1,162.0
Capitalized software costs	195.5	172.0
Instruments	1,479.2	1,365.6
Construction in progress	59.6	66.5
Property, plant and equipment, gross	2,954.2	2,788.1
Accumulated depreciation	(1,743.9)	(1,574.3)
Property, plant and equipment, net	$ 1,210.3	$ 1,213.8

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

-Paragraph 1

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-Publisher AICPA

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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- Definition

The gross amount of capitalized computer software costs as of the balance sheet date.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

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- Definition

Gross amount, at the balance sheet date, of long-lived assets under construction that include construction costs to date on capital projects that have not been completed and assets being constructed that are not ready to be placed into service.

+ References

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 5

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

Carrying amount as of the balance sheet date of real estate held for productive use. This excludes land held for sale.

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- Definition

Gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

+ References

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-Publisher FASB

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-Paragraph 1

-Subparagraph (SX 210.5-02.13)

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-Publisher FASB

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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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- Definition

Buildings and equipment.

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- Definition

Instruments.

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