CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011
NET SALES	$ 283,649	$ 245,031	$ 830,920	$ 749,878
COST OF GOODS SOLD	201,702	176,223	596,488	509,434
GROSS PROFIT	81,947	68,808	234,432	240,444
EXPENSES:
Selling, general and administrative	27,346	22,613	76,985	64,593
Research and development	10,885	11,575	34,573	34,957
Amortization of intangible assets	404	489	1,226	1,399
Litigation	200	236	282	1,109
Total expenses	38,835	34,913	113,066	102,058
INCOME FROM OPERATIONS	43,112	33,895	121,366	138,386
INTEREST AND OTHER (EXPENSE) INCOME:
Interest income	339	446	1,184	1,638
Interest expense	(496)	(1,697)	(1,302)	(4,715)
Liquidation of foreign subsidiary		16,879		16,879
Other (expense) income, net	(6,604)	8,656	(3,341)	1,947
Total interest and other (expense) income, net	(6,761)	24,284	(3,459)	15,749
INCOME BEFORE INCOME TAXES	36,351	58,179	117,907	154,135
PROVISION FOR INCOME TAXES	15,350	16,774	44,830	50,826
INCOME BEFORE EQUITY IN EARNINGS (LOSS) OF JOINT VENTURE	21,001	41,405	73,077	103,309
EQUITY IN EARNINGS (LOSS) OF JOINT VENTURE	122	32	(263)	627
NET INCOME	21,123	41,437	72,814	103,936
PREFERRED STOCK DIVIDEND AND ACCRETION		874		2,610
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ 21,123	$ 40,563	$ 72,814	$ 101,326
BASIC EARNINGS PER SHARE (in dollars per share)	$ 0.14	$ 0.34	$ 0.49	$ 0.85
DILUTED EARNINGS PER SHARE (in dollars per share)	$ 0.13	$ 0.27	$ 0.47	$ 0.67
BASIC WEIGHTED AVERAGE SHARES OUTSTANDING (in shares)	121,253	103,804	121,683	103,744
DILUTED WEIGHTED AVERAGE SHARES OUTSTANDING (in shares)	156,696	139,788	156,252	140,330