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Earnings (Loss) Per Share (Schedule Of Weighted-Average Number Of Shares Outstanding) (Details) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Earnings (Loss) Per Share [Abstract]
Basic weighted average common shares outstanding	92,130		92,047
Dilution effect of stock awards at end of period	101	[1]		[1]
Diluted weighted average common shares outstanding	92,231		92,047
Anti-dilutive stock-based compensation awards	376		260
[1] Because the Company reported a net loss for the three months ended March 31, 2011, no unvested stock awards were included in computing diluted loss per share because the effect would have been anti-dilutive.

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