Amount of accrued expenses and other liabilities assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed before and after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of assets acquired at the acquisition date.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of deferred revenue expected to be recognized as such within one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

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Amount of liabilities assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

-Publisher FASB

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Note F - Business Combinations (Details) - Preliminary Purchase Price Allocation (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Nov. 05, 2014
Business Acquisition [Line Items]
Goodwill	$ 687,778us-gaap_Goodwill	$ 418,839us-gaap_Goodwill	$ 410,583us-gaap_Goodwill
Customer-Related Intangible Assets [Member] \| Olson [Member]
Business Acquisition [Line Items]
Finite-Lived Intangibles Assets	60,338
Marketing-Related Intangible Assets [Member] \| Olson [Member]
Business Acquisition [Line Items]
Finite-Lived Intangibles Assets	3,947
Developed Technology Rights [Member] \| Olson [Member]
Business Acquisition [Line Items]
Finite-Lived Intangibles Assets	578
Olson [Member]
Business Acquisition [Line Items]
Cash	8,816
Contract receivables	36,879
Other current and non-current assets	1,512
Property and equipment	15,867
Goodwill	225,117			225,100
Total Assets	353,054
Accounts payable	9,792
Accrued expenses and other liabilities	12,989
Accrued salaries and benefits	5,157
Deferred revenue	9,742
Deferred taxes and income tax payable	18,984
Total Liabilities	56,664
Net Assets	$ 296,390