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Reconciliation of Basic and Diluted Shares (Details 2) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Restricted Stock Units (RSUs)
Antidilutive securities
Number of securities not included in computation of diluted earnings per share (in shares)	311	0	311	0
Stock options
Antidilutive securities
Number of securities not included in computation of diluted earnings per share (in shares)	215	304	215	304
Stock appreciation rights
Antidilutive securities
Number of securities not included in computation of diluted earnings per share (in shares)	968	190	968	95
Performance Shares [Member]
Antidilutive securities
Number of securities not included in computation of diluted earnings per share (in shares)	97	0	97	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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