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Foreign Currency Translation
6 Months Ended
Jun. 30, 2011
Foreign Currency Translation  
Foreign Currency Translation

6. Foreign Currency Translation

The United States dollar is the functional currency of the Company's operations in the United States. The Canadian dollar is the functional currency of the Company's Canadian operations. Each operation translates foreign currency denominated transactions into its functional currency using the rate of exchange in effect at the date of the transaction. Monetary assets and liabilities denominated in foreign currency are translated into the functional currency of the operation using the period-end rate of exchange giving rise to a gain or loss that is recognized in income during the current period.

For reporting purposes, the Canadian operations are translated into United States dollars using the current rate method. Under this method, all assets and liabilities are translated at the period-end rate of exchange and all revenue and expense items are translated at the average rate of exchange for the period. The resulting translation adjustment is recorded as a separate component of shareholders' equity. The revaluation of United States dollar denominated debt held by an entity with a Canadian functional currency, that hedges the net investment in the Company's U.S. dollar denominated self-sustaining subsidiaries, is recorded to accumulated other comprehensive income. In a hedge of a net investment in self-sustaining foreign subsidiaries, the portion of the gain or loss on the hedging item that is determined to be an effective hedge is recognized in other comprehensive income and the ineffective portion is recognized in earnings.