CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2012	Mar. 31, 2011
Consolidated Statements of Income (Unaudited) [Abstract]
NET SALES	$ 106,309	$ 150,102
COST OF GOODS SOLD	77,165	92,014
Gross profit	29,144	58,088
OPERATING EXPENSES
Selling, general and administrative	17,510	18,836
Acquisition related charge	0	584
Research and development	3,630	3,067
Restructuring - plant closure and severance	673	0
Operating Expenses, Total	21,813	22,487
INCOME FROM OPERATIONS	7,331	35,601
OTHER INCOME (EXPENSE):
Interest income	1,066	798
Interest expense	(1,743)	(1,448)
Miscellaneous	(658)	(87)
Other Income (Expense), Total	(1,335)	(737)
INCOME BEFORE PROVISION FOR INCOME TAXES	5,996	34,864
PROVISION FOR INCOME TAXES	2,214	11,269
NET INCOME	$ 3,782	$ 23,595
BASIC INCOME PER SHARE (in dollars per share)	$ 0.16	$ 0.95
DILUTED INCOME PER SHARE (in dollars per share)	$ 0.16	$ 0.94
WEIGHTED AVERAGE SHARES OUTSTANDING:
BASIC (in shares)	24,210,913	24,839,424
DILUTED (in shares)	24,360,450	25,129,924

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 23

-URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e1043-128460

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 59

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.