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Significant Accounting Policies (Summary Of Annual Rate Of Depreciation On Property And Equipment) (Details) | 12 Months Ended
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Dec. 31, 2011
Property, Plant and Equipment [Line Items] |
Leasehold improvements | The shorter of term of the lease or the useful life of the asset
Computers And Peripheral Equipment [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Annual rate of depreciation on property and equipment | 33.00%
Computers And Peripheral Equipment [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Annual rate of depreciation on property and equipment | 50.00%
Office Furniture And Equipment [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Annual rate of depreciation on property and equipment | 10.00%
Office Furniture And Equipment [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Annual rate of depreciation on property and equipment | 20.00%
Building [Member] |
Property, Plant and Equipment [Line Items] |
Annual rate of depreciation on property and equipment | 4.00%

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- Definition Annual rate of depreciation on property and equipment. + References No definition available. + Details
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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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- Details
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