Acquisitions (Schedule Of Pro Forma Results Of Operations, Including Acquisition) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Acquisitions [Abstract]
Net sales	$ 884,082	$ 897,344
Net income/(loss)	$ (1,292,099)	$ (86,848)
Basic earnings per share of common stock	$ (17.90)	$ (0.04)
Diluted earnings per share of common stock	$ (17.90)	$ (0.04)