v2.4.0.6

Estimated Useful Lives for Depreciation Computed Using Straight-line Method (Detail) | 12 Months Ended
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Dec. 31, 2011 Year
Computer Equipment |
Property, Plant and Equipment, Estimated Useful Lives, Lease Terms [Line Items] |
Property, Plant and Equipment, Estimated Useful Lives | 5
Leasehold Improvements |
Property, Plant and Equipment, Estimated Useful Lives, Lease Terms [Line Items] |
Property, Plant and Equipment, Estimated Useful Lives | Over the shorter of the lease term or the estimated useful lives of the assets
Furniture and Fixtures |
Property, Plant and Equipment, Estimated Useful Lives, Lease Terms [Line Items] |
Property, Plant and Equipment, Estimated Useful Lives | 5
Vehicles |
Property, Plant and Equipment, Estimated Useful Lives, Lease Terms [Line Items] |
Property, Plant and Equipment, Estimated Useful Lives | 5
Property |
Property, Plant and Equipment, Estimated Useful Lives, Lease Terms [Line Items] |
Property, Plant and Equipment, Estimated Useful Lives | 42

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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2155824 + Details
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- Definition The average 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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