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Earnings Per Share - Antidilutive (Details) (Options and performance shares)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Options and performance shares
Antidilutive securities excluded from computation of earnings per share
Shares not included in diluted earnings per share	6,000	2,600,000

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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