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Earnings Per Share (Details)	3 Months Ended
Earnings Per Share (Details)	Mar. 31, 2014	Mar. 31, 2013
Potentially dilutive securities:
Stock options and awards (in shares)	1,387,667	622,006
Options to purchase common stock excluded from potentially dilutive securities (in shares)	0	0

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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