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Earnings Per Share (Details 1) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
MSUs, performance shares, RSUs and stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
MSUs, performance shares, RSUs and stock options	5.6	2.0	2.7	2.2
Ten Percent Convertible Senior Notes due Two Thousand Eighteen [Member] \| 10% convertible senior notes due 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
10% convertible senior notes due 2018	0	35.1	0	35.1

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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