v2.4.0.6

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2011 D | Dec. 31, 2010
Cash and cash equivalents |  |
Maturity period from date of purchase, short-term investments classified as cash equivalents, less than (in days) | 91 |
Property and equipment |  |
Net book value | $ 259,588 | $ 267,928
Buildings and leasehold improvements |  |
Property and equipment |  |
Estimated Useful Lives, minimum (in years) | 3 |
Estimated Useful Lives, maximum (in years) | 39 |
Computer equipment and capitalized software |  |
Property and equipment |  |
Estimated Useful Lives, minimum (in years) | 2 |
Estimated Useful Lives, maximum (in years) | 3 |
Capitalized internal use software |  |
Property and equipment |  |
Net book value | $ 29,200 | $ 33,900
Furniture and other equipment |  |
Property and equipment |  |
Estimated Useful Lives, minimum (in years) | 3 |
Estimated Useful Lives, maximum (in years) | 10 |

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- Definition Short-term investments must have a maturity, at the date of purchase, of less than this specified period in order to be classified as cash equivalents. + References No definition available. + Details
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- Definition 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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 7 -Section 03 -Paragraph 8 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph a -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 12 -Paragraph 5 -Subparagraph b, c -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. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. 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 No definition available. + Details
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