Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net sales	$ 3,308,989	$ 3,368,545	$ 2,766,207
Cost of sales	2,446,235	2,515,796	1,794,456
Gross profit	862,754	852,749	971,751
Operating expenses:
Research and development	134,300	132,460	140,523
Selling, general and administrative	270,261	280,928	412,541
Production start-up	2,768	7,823	33,620
Goodwill impairment	0	0	393,365
Restructuring and asset impairments	86,896	469,101	60,366
Total operating expenses	494,225	890,312	1,040,415
Operating income (loss)	368,529	(37,563)	(68,664)
Foreign currency (loss) gain	(259)	(2,122)	995
Interest income	16,752	12,824	13,391
Interest expense, net	(1,884)	(13,888)	(100)
Other (expense) income, net	(4,921)	945	665
Income (loss) before income taxes	378,217	(39,804)	(53,713)
Total income tax expense (benefit)	25,179	56,534	(14,220)
Net income (loss)	$ 353,038	$ (96,338)	$ (39,493)
Net income (loss) per share:
Basic	$ 3.77	$ (1.11)	$ (0.46)
Diluted	$ 3.70	$ (1.11)	$ (0.46)
Weighted-average number of shares used in per share calculations:
Basic	93,697	86,860	86,067
Diluted	95,468	86,860	86,067