The aggregate amount assigned to a major class of finite-lived intangible assets acquired 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(1)

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

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.

+ References

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

Amount of cash paid to acquire the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph f(1)

Reference 2: 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 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

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
-Subparagraph d

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Business Combinations (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 30, 2011	Apr. 30, 2011
Coradiant Inc [Member]
Business Acquisition, Cost of Acquired Entity, Purchase Price [Abstract]
Cash consideration of business acquisition		$ 130.0
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-average economic lives of acquired intangible assets	3
Business Acquisition, Purchase Price Allocation, Goodwill [Abstract]
Allocation of goodwill		93.2
Coradiant Inc [Member] \| Acquired technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired assets and assumed liabilities		18.1
Coradiant Inc [Member] \| Customer relations [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired assets and assumed liabilities		22.7
Aeroprise Inc and Neon Enterprise Software [Member]
Business Acquisition, Cost of Acquired Entity, Purchase Price [Abstract]
Purchase consideration of completed acquisitions	21.0
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-average economic lives of acquired intangible assets	3
Business Acquisition, Purchase Price Allocation, Goodwill [Abstract]
Allocation of goodwill	7.6
Aeroprise Inc and Neon Enterprise Software [Member] \| Acquired technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired assets and assumed liabilities	17.3