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Consolidated Financial Statements (Policy)	3 Months Ended
Consolidated Financial Statements (Policy)	Mar. 31, 2012
Consolidated Financial Statements [Abstract]
Reclassifications	Reclassifications Certain reclassifications have been made to the prior year's Consolidated Balance Sheet to conform to the 2012 presentation. For the three months ended March 31, 2011, the Company reclassified $1.5 million in the Consolidated Statement of Cash Flows from Stock-based compensation to Changes in other liabilities related to the portion of Stock-based compensation that will be settled in cash. There were no changes to the balance sheet, cash flows from operations, net income or shareholders' equity as a result of this reclassification in the respective period.