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Note 9 - Capital Stock (Detail) - Changes in outstanding Common Stock In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Outstanding, beginning of year	94,498	93,143	91,673
Shares issued upon exercise of options	286	671	677
Shares issued for grants of time vested restricted stock	950	684	773
Shares issued upon vesting of performance units			20
Outstanding, end of year	95,734	94,498	93,143

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

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- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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