DISCONTINUED OPERATIONS (DETAILS) (USD $)	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
Notes To Consolidated Financial Statement Abstract
Proceeds From Divestiture Of Businesses And Interests In Affiliates									$ 15,500,000		$ 70,300,000
Contingent Proceeds From Divestiture Of Businesses And Interests In Affiliates									20,000,000
Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax									(27,934,000)	0	0
Loss On Disposal Of Discontinued Operations For Income Tax Purposes									30,500,000
Discontinued Operation Tax Effect Of Income Loss From Disposal Of Discontinued Operation									9,400,000
Impairment Of Intangible Assets Discontinued Operations										7,700,000
Impairment Of Property And Equipment Discontinued Operations										2,100,000
Disposal Group Including Discontinued Operation Income Statement Disclosures [Abstract]
Net Revenues Discontinued Operations									540,000	4,037,000	1,268,000
Cost Of Revenues Discontinued Operations									2,553,000	3,124,000	739,000
Gross Profit Discontinued Operations									(2,013,000)	913,000	529,000
Selling General And Administrative Expense Discontinued Operations									15,752,000	18,006,000	15,462,000
Research And Development Expense Discontinued Operations									8,978,000	14,038,000	14,215,000
Depreciation And Amortization Expense Discontinued Operations									0	1,275,000	1,160,000
Impairment Of Long Lived Assets Discontinued Operations									0	9,791,000	0
Operating Loss Discontinued Operations									(26,743,000)	(42,197,000)	(30,308,000)
Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax									(27,934,000)	0	0
Discontinued Operation Income Loss From Discontinued Operation Before Income Tax									1,191,000	(42,197,000)	(30,308,000)
Income Tax Benefit Discontinued Operation									(18,392,000)	(15,149,000)	(11,513,000)
(Gain) loss from discontinued operations, net of income tax benefit	36,135,000	(3,498,000)	(5,729,000)	(7,325,000)	(12,042,000)	(5,928,000)	(4,428,000)	(4,650,000)	19,583,000	(27,048,000)	(18,795,000)
Increase In Inventory Valuation Reserve Discontinued Operations									1,900,000
Assets Of Disposal Group Including Discontinued Operation Current [Abstract]
Cash And Cash Equivalents Discontinued Operations					629,000					629,000
Accounts Receivable Net Discontinued Operations					129,000					129,000
Inventories Net Discontinued Operations					4,495,000					4,495,000
Deferred Tax Assets Net Discontinued Operations					7,328,000					7,328,000
Other Current Assets Discontinued Operations					546,000					546,000
Assets of Disposal Group, Including Discontinued Operation, Current, Total	0				13,127,000				0	13,127,000
Liabilities Of Disposal Group Including Discontinued Operation Current Abstract
Accounts Payable Discontinued Operations					1,802,000					1,802,000
Other Current Liabilities Discontinued Operations					5,474,000					5,474,000
Liabilities of Disposal Group, Including Discontinued Operation, Current, Total	0				7,276,000				0	7,276,000
Net Cash Provided By Used In Discontinued Operations Abstract
Income Loss From Discontinued Operations Net Of Tax	36,135,000	(3,498,000)	(5,729,000)	(7,325,000)	(12,042,000)	(5,928,000)	(4,428,000)	(4,650,000)	19,583,000	(27,048,000)	(18,795,000)
Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax									(27,934,000)	0	0
Depreciation And Amortization Discontinued Operations									0	1,275,000	1,160,000
Share Based Compensation Discontinued Operations									(166,000)	1,304,000	1,179,000
Impairment Of Long Lived Assets Discontinued Operations									0	9,791,000	0
Increase Decrease In Assets Of Disposal Group Including Discontinued Operation Current									7,073,000	2,267,000	3,869,000
Increase Decrease In Liabilities Of Disposal Group Including Discontinued Operation Current									(6,343,000)	39,000	1,626,000
Cash Provided By Used In Operating Activities Discontinued Operations									(7,787,000)	(12,372,000)	(10,961,000)
Cash Provided By Used In Investing Activities Discontinued Operations									$ 0	$ (1,458,000)	$ (1,030,000)