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Business Segments And Geographic Area Information (Schedule Of Operating Property And Revenue By Geographic Area) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Segment Reporting Information [Line Items] | |||||||||||
| Total property and equipment | $ 191,660 | $ 202,778 | $ 191,660 | $ 202,778 | |||||||
| Total revenue | 63,540 | 65,472 | 69,642 | 59,567 | 65,117 | 63,934 | 62,948 | 62,431 | 258,221 | 254,430 | 244,979 |
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Australia [Member]
|
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| Segment Reporting Information [Line Items] | |||||||||||
| Total property and equipment | 97,240 | 106,020 | 97,240 | 106,020 | |||||||
| Total revenue | 100,399 | 108,320 | 110,742 | ||||||||
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New Zealand [Member]
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| Segment Reporting Information [Line Items] | |||||||||||
| Total property and equipment | 36,319 | 35,456 | 36,319 | 35,456 | |||||||
| Total revenue | 26,310 | 24,608 | 22,247 | ||||||||
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United States [Member]
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| Segment Reporting Information [Line Items] | |||||||||||
| Total property and equipment | 58,101 | 61,302 | 58,101 | 61,302 | |||||||
| Total revenue | $ 131,512 | $ 121,502 | $ 111,990 | ||||||||