Quarterly Financial Information (Movement And Significance Of Seasonality In The Statements Of Operations) (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended			12 Months Ended	3 Months Ended					12 Months Ended
	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Restated [Member]	Sep. 30, 2011 Restated [Member]	Jun. 30, 2011 Restated [Member]	Mar. 31, 2011 Restated [Member]	Dec. 31, 2010 Restated [Member]	Dec. 31, 2011 Restated [Member]	Dec. 31, 2010 Restated [Member]
Quarterly Financial Information [Line Items]
Net sales	$ 157,760	$ 175,597	$ 149,806	$ 689,414	$ 283,218	$ 209,638	$ 198,356	$ 138,354	$ 218,968	$ 829,566	$ 702,131
Seasonality	22.50%	25.00%	21.30%		34.10%	25.30%	23.90%	16.70%	31.20%	34.10%	31.20%
Gross profit	77,312	88,478	74,132	348,932	93,542	78,212	74,648	52,669	69,748	299,071	309,670
Gross profit %	49.00%	50.40%	49.50%		33.00%	37.30%	37.60%	38.10%	31.90%
Operating income / (loss)	29,073	41,226	25,254	184,465	(371,101)	(658,013)	10,892	5,197	(153,144)	(1,013,025)	(57,591)
Income / (loss) on discontinued operations	31,017	(7,922)	(34,873)	8,360	0	0	0	0	3,373	0	(8,405)
Net income / (loss)	$ 99,896	$ (77,996)	$ (23,364)	$ 81,037	$ (469,282)	$ (848,735)	$ (3,333)	$ (2,034)	$ (136,609)	$ (1,323,384)	$ (138,073)
Net income / (loss) from operations per share of common stock, basic	$ 1.42	$ (1.11)	$ (0.34)	$ 1.51	$ (6.47)	$ (11.71)	$ (0.05)	$ (0.03)	$ (1.94)	$ (18.34)	$ (1.97)
Net income / (loss) from operations per share of common stock, diluted	$ 1.41	$ (1.11)	$ (0.34)	$ 1.50	$ (6.47)	$ (11.71)	$ (0.05)	$ (0.03)	$ (1.94)	$ (18.34)	$ (1.97)