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Property And Equipment (Narrative) (Details) AUD in Millions |  |  | 3 Months Ended | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 01, 2015 NZD property | May. 23, 2014 AUD | May. 23, 2014 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2015 AUD | Jun. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) | Sep. 30, 2015 AUD a | Sep. 30, 2015 USD ($) a | Apr. 30, 2015 NZD | Apr. 30, 2015 USD ($) | Apr. 16, 2015 AUD | Apr. 16, 2015 USD ($) | Apr. 01, 2015 USD ($) | Dec. 31, 2014 USD ($)
Depreciation expense for property and equipment |  |  |  | $ 3,300,000 |  |  | $ 3,700,000 | $ 10,100,000 | $ 10,700,000 |  |  |  |  |  |  |  |
Carrying value of property |  |  |  |  |  |  |  |  |  |  | $ 170,259,000 |  |  |  |  |  | $ 186,889,000
Lake Taupo [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of land parcels sold | property | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price | NZD 3,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,300,000 |
Lake Taupo Parcel One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  |  |  |  | NZD 2,200,000 | $ 1,490,000 |  |  |  |
Carrying value of property |  |  |  |  |  |  |  |  |  |  |  | 1,800,000 | 1,300,000 |  |  |  |
Lake Taupo Parcel Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  |  |  |  | 1,200,000 | 767,000 |  |  |  |
Carrying value of property |  |  |  |  |  |  |  |  |  |  |  | NZD 615,000 | $ 393,000 |  |  |  |
Moonee Ponds [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  |  |  |  |  |  | AUD 23.0 | $ 17,500,000 |  |
Gain (loss) on sale of assets |  |  |  |  | AUD 10.3 | $ 8,000,000 |  |  |  |  |  |  |  |  |  |  |
Burwood [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  |  | AUD 65.0 | 47,000,000 |  |  |  |  |  |
Carrying value of property |  |  |  |  |  |  |  |  |  | AUD 52.1 | $ 36,600,000 |  |  |  |  |  |
Area of Real Estate Property | a |  |  |  |  |  |  |  |  |  | 50.6 | 50.6 |  |  |  |  |  |
Proceeds from Sale of Property Held-for-sale |  | AUD 6.5 | $ 5,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale agreements, prepayment as a percentage of net sale price |  |  |  |  |  |  |  |  |  | 90.00% | 90.00% |  |  |  |  |  |

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