The calculated weighted-average amortization period of a major class of finite-lived intangible assets acquired during the current period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 44
-Subparagraph a(3)

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- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
-Subparagraph d

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- Definition

The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 52

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
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- Definition

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)
-Number 141
-Paragraph 52
-Subparagraph c

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 53
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- Definition

The amount of acquisition cost of a business combination allocated to liabilities assumed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 37
-Subparagraph g

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 98-1

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- Definition

The amount of acquisition cost of a business combination allocated to noncurrent assets of the acquired entity, except for property plant and equipment, intangible assets, and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
-Subparagraph e

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 98-1

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 37
-Subparagraph f

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- Definition

The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

+ References

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 37
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Completed Acquisitions Purchase Purchase Price Allocation (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended										6 Months Ended			6 Months Ended
	Jul. 02, 2011	May 31, 2011 Dionex [Member]	May 31, 2011 Dionex [Member] Customer relationships	May 31, 2011 Dionex [Member] Product technology	May 31, 2011 Dionex [Member] In-process research and development	May 31, 2011 Dionex [Member] Tradenames and other [Member]	Jul. 02, 2011 Other Laboratory Products and Services [Member]	Jul. 02, 2011 Other Laboratory Products and Services [Member] Customer relationships	Jul. 02, 2011 Other Laboratory Products and Services [Member] Product technology	Jul. 02, 2011 Other Laboratory Products and Services [Member] Tradenames and other [Member]	Jul. 02, 2011 Customer relationships	Jul. 02, 2011 Product technology	Jul. 02, 2011 In-process research and development	Jul. 02, 2011 Tradenames and other [Member]
Allocation
Current assets	$ 240.8	$ 228.4					$ 12.4
Property, plant and equipment	103.1	87.1					16.0
Intangible assets:			495.3	350.2	18.3	35.7		9.4	6.3	0.7	504.7	356.5	18.3	36.4
Goodwill	1,328.7	1,317.4					11.3
Other assets	4.1	4.1					0
Liabilities assumed	(522.1)	(507.5)					(14.6)
Total Purchase Price	$ 2,070.5	$ 2,029.0					$ 41.5
Acquired Finite Lived Intangible Asset Weighted Average Useful Life (Years)	10										9	10		9