Business Combinations (Fair Values of the Business Combinations and Allocations for the Acquisitions Completed) (Details) (USD $) In Thousands	Oct. 02, 2011
Business Acquisition [Line Items]
Deferred revenue	$ (10,500)
February 2011 Chemagen Biopolymer-Technologie AG [Member]
Business Acquisition [Line Items]
Cash payments	33,873
Fair values of stock options assumed	0
Contingent consideration	7,723
Working capital adjustments	762
Less: cash acquired	(901)
Total	41,457
Current assets	2,288
Property, plant and equipment	290
Identifiable intangible assets	14,768
Goodwill	29,347
Deferred taxes	(4,402)
Deferred revenue	0
Liabilities assumed	(834)
Total	41,457
March 2011 ArtusLabs, Inc [Member]
Business Acquisition [Line Items]
Cash payments	15,232
Fair values of stock options assumed	0
Contingent consideration	7,475
Working capital adjustments	0
Less: cash acquired	(125)
Total	22,582
Current assets	199
Property, plant and equipment	7
Identifiable intangible assets	4,750
Goodwill	18,221
Deferred taxes	(152)
Deferred revenue	(297)
Liabilities assumed	(146)
Total	22,582
March 2011 ID Biological Systems, Inc [Member]
Business Acquisition [Line Items]
Cash payments	7,664
Fair values of stock options assumed	0
Contingent consideration	326
Working capital adjustments	0
Less: cash acquired	(27)
Total	7,963
Current assets	635
Property, plant and equipment	699
Identifiable intangible assets	2,610
Goodwill	4,657
Deferred taxes	0
Deferred revenue	0
Liabilities assumed	(638)
Total	7,963
April 2011 CambridgeSoft Corporation [Member]
Business Acquisition [Line Items]
Cash payments	227,373
Fair values of stock options assumed	1,417
Contingent consideration	0
Working capital adjustments	0
Less: cash acquired	(23,621)
Total	205,169
Current assets	17,052
Property, plant and equipment	462
Identifiable intangible assets	101,400
Goodwill	150,901
Deferred taxes	(38,724)
Deferred revenue	(9,504)
Liabilities assumed	(16,418)
Total	205,169
May 2011 Geospiza, Inc [Member]
Business Acquisition [Line Items]
Cash payments	13,250
Fair values of stock options assumed	0
Contingent consideration	0
Working capital adjustments	729
Less: cash acquired	(1)
Total	13,978
Current assets	204
Property, plant and equipment	0
Identifiable intangible assets	3,860
Goodwill	9,086
Deferred taxes	1,517
Deferred revenue	(380)
Liabilities assumed	(309)
Total	13,978
May 2011 Labtronics, Inc [Member]
Business Acquisition [Line Items]
Cash payments	11,389
Fair values of stock options assumed	0
Contingent consideration	0
Working capital adjustments	29
Less: cash acquired	(207)
Total	11,211
Current assets	925
Property, plant and equipment	70
Identifiable intangible assets	3,259
Goodwill	8,406
Deferred taxes	(861)
Deferred revenue	(315)
Liabilities assumed	(273)
Total	11,211
June 2011 Dexela Limited [Member]
Business Acquisition [Line Items]
Cash payments	24,800
Fair values of stock options assumed	0
Contingent consideration	4,600
Working capital adjustments	1,251
Less: cash acquired	(2,041)
Total	28,610
Current assets	1,854
Property, plant and equipment	133
Identifiable intangible assets	12,200
Goodwill	19,393
Deferred taxes	(3,294)
Deferred revenue	0
Liabilities assumed	(1,676)
Total	$ 28,610

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Amount of cash paid to acquire the entity allocated for purchase accounting purpose.

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The amount of acquisition cost of a business combination allocated to current and non-current deferred revenue of the acquired entity.

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Amount of acquisition cost of a business combination allocated to other liabilities not separately disclosed in the balance sheet.

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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.

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The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

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Amount of deferred tax assets or liabilities for the differences between the values assigned and the tax bases of assets and liabilities in a business combination, net of any valuation allowance for deferred tax assets.

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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.

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