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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Stockholders' Equity.

Schedule of changes in outstanding shares of common stock

(shares in thousands)		2012			2011			2010
Beginning balances			20,405			20,007			19,807
Stock issuances
Stock option exercises			245			332			146
Restricted stock activity			95			64			54
Stock issued in lieu of director retainer			2			2			—
Ending balances			20,747			20,405			20,007

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