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Note 11: Capital Stock: Schedule of Activity in shares of capital stock (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Class A Common Stock
Common Stock Outstanding	11,807,287	10,843,576	9,638,798	9,178,945
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	359,786	685,753
Dividends	$ 562,152	$ 518,702	$ 459,168
Conversion of Stock, Shares Issued	41,773	323	685
Class C Common Stock
Common Stock Outstanding	13,301,908	10,974,101	10,135,976	9,660,152
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	2,112,110	318,912
Dividends	$ 633,424	$ 522,440	$ 482,675
Conversion of Stock, Shares Issued	(417,727)	(3,227)	(6,851)

X

- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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X

- Definition

The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Equity impact of aggregate cash, stock, and paid-in-kind dividends declared for all securities (common shares, preferred shares, etc.) during the period.

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Number of share options (or share units) exercised during the current period.

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