Acquisitions (Schedule Of Pro Forma Results Of Operations, Including Acquisition) (Detail) (Restated [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Restated [Member]
Business Acquisition [Line Items]
Net sales	$ 836,061	$ 887,938
Net income	$ (1,323,667)	$ (120,254)
Basic earnings per share of common stock	$ (18.34)	$ (1.72)
Diluted earnings per share of common stock	$ (18.34)	$ (1.72)