Statements of Cash Flows Statement (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Net Income (Loss) Attributable to Parent	$ (6,134)	$ 1,404
Amortization	1,912	2,113
Amortization of Financing Costs and Discounts	2,514	2,261
Depreciation	3,042	3,105
Foreign Currency Transaction Gain (Loss), before Tax	372	(53)
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset	(111)	0
Share-based Compensation	4,741	3,035
Provision for doubtful accounts and inventory valuation	2,974	2,382
Increase (Decrease) in Deferred Income Taxes	65	0
Increase (Decrease) in Other Operating Assets and Liabilities, Net	(11,361)	(18,219)
Net Cash Provided by (Used in) Operating Activities	(1,986)	(3,972)
Payments to Acquire Marketable Securities	(172,323)	(81,731)
Proceeds from Sale and Maturity of Marketable Securities	145,015	71,687
Payments to Acquire Property, Plant, and Equipment	(1,442)	(4,002)
Payments to Acquire Businesses, Net of Cash Acquired		(3,365)
Net Cash Provided by (Used in) Investing Activities	(28,750)	(17,411)
Payments for Repurchase of Common Stock	(2,330)	0
Proceeds from (Payments for) Other Financing Activities	(194)	0
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	200	903
Excess Tax Benefit (Tax Deficiency) from Share-based Compensation, Financing Activities	67	669
Net Cash Provided by (Used in) Financing Activities	(2,257)	1,572
Effect of Exchange Rate on Cash and Cash Equivalents	(169)	(662)
Cash and Cash Equivalents, Period Increase (Decrease)	(33,162)	(20,473)
Cash and Cash Equivalents, at Carrying Value	47,628	83,780
Income Taxes Paid	1,900	5,261
Interest Paid	2,250	2,250
Payments for Legal Settlements	$ 10,613	$ 0