Quarterly Financial Information (Movement And Significance Of Seasonality In The Statements Of Operations) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Quarterly Financial Information [Abstract]
Net sales	$ 280,069	$ 228,850	$ 211,957	$ 156,711	$ 228,374	$ 157,760	$ 175,597	$ 149,806	$ 877,587	$ 711,537	$ 689,414
Seasonality	31.90%	26.10%	24.20%	17.90%	32.10%	22.20%	24.70%	21.10%	31.90%	32.10%
Gross profit	101,682	93,108	85,242	59,337	87,944	77,312	88,478	74,132	339,369	327,866	348,932
Gross profit %	36.30%	40.70%	40.20%	37.90%	38.50%	49.00%	50.40%	49.50%
Operating income / (loss)	(362,301)	(645,164)	16,824	9,358	(119,145)	29,073	41,226	25,254	(981,283)	(23,592)	184,465
Income / (loss) on discontinued operations	0	0	0	0	0	31,017	(7,922)	(34,873)	0	(11,778)	8,360
Net income / (loss)	$ (456,101)	$ (839,850)	$ 3,014	$ 1,121	$ (103,203)	$ 99,896	$ (77,996)	$ (23,364)	$ (1,291,816)	$ (104,667)	$ 81,037
Net income / (loss) from operations per share of common stock, basic	$ (6.29)	$ (11.59)	$ 0.04	$ 0.02	$ (1.46)	$ 1.42	$ (1.11)	$ (0.34)	$ (17.90)	$ (1.49)	$ 1.51
Net income / (loss) from operations per share of common stock, diluted	$ (6.29)	$ (11.59)	$ 0.04	$ 0.02	$ (1.46)	$ 1.41	$ (1.11)	$ (0.34)	$ (17.90)	$ (1.49)	$ 1.50