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Property And Equipment (Narrative) (Details) | 3 Months Ended | 9 Months Ended |  |  | 9 Months Ended
--- | --- | --- | --- | --- | ---
Sep. 30, 2014 USD ($) | Sep. 30, 2013 USD ($) | Sep. 30, 2014 USD ($) | Sep. 30, 2013 USD ($) | Dec. 31, 2013 USD ($) | Sep. 30, 2014 Moonee Ponds [Member] USD ($) | Sep. 30, 2014 Moonee Ponds [Member] AUD | Sep. 30, 2014 Burwood [Member] USD ($) acre | Sep. 30, 2014 Burwood [Member] AUD
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Depreciation expense for property and equipment | $ 3,700,000 | $ 3,200,000 | $ 10,700,000 | $ 10,400,000 |  |  |  |  |
Sales price |  |  |  |  |  | 21,300,000 | 23,000,000 | 54,600,000 | 65,000,000
Carrying value of property | 185,925,000 |  | 185,925,000 |  | 191,660,000 | 10,800,000 | 12,400,000 | 45,500,000 | 52,100,000
Area of property |  |  |  |  |  |  |  | 50.6 | 50.6
Proceeds from the sale property |  |  |  |  |  |  |  | 5,900,000 | 6,500,000
Sale agreements, prepayment as a percentage of net sale price |  |  |  |  |  |  |  | 90.00% | 90.00%
Decrease in investment and development property |  |  |  |  |  |  |  | $ 48,000,000 |

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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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