Net Income (Loss) Per Share (Reconciliation Of Basic To Diluted Weighted Average Common Shares Outstanding) (Details)	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Weighted Average Number of Shares Outstanding Reconciliation [Line Items]
Basic	143,000,000		129,000,000
Convertible senior notes dilution	0		4,000,000
Diluted	143,000,000	[1]	133,000,000	[1]
Stock Options [Member]
Weighted Average Number of Shares Outstanding Reconciliation [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			98,819

[1] (a)Options to purchase 98,819 shares of the Company's common stock were excluded from the diluted income per share calculations for the three months ended March 31, 2013 because they would have been anti-dilutive to the calculation.