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NON-CONTROLLING INTEREST: (Details) (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2012 | Mar. 31, 2011
Non-controlling interest activity |  |
Balance at the beginning of the period | $ 20,979,000 | $ 20,000,000
Net earnings | 2,132,000 | 1,771,000
Dividend paid | (472,000) | (2,193,000)
Other |  | (100,000)
Balance at the end of the period | $ 22,608,000 | $ 19,500,000

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