SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

3 Months Ended

Mar. 31, 2013

Accounting Policies [Abstract]

Available-for-sale Securities [Table Text Block]

Amortized cost and estimated fair market value of investments classified as available-for-sale at December 31, 2012, are as follows(in thousands):

	Amortized		Gross Unrealized				Estimated Fair
	Cost		Gains		Losses		Market Value
Investments due in less than 3 months:
Corporate securities	$	1,500	$	1	$	—	$	1,501
Total	$	1,500	$	1	$	—	$	1,501
Investments due in 4-12 months:
Corporate securities	$	24,127	$	83	$	—	$	24,210
Total	$	24,127	$	83	$	—	$	24,210
Investments due in more than 12 months:
Corporate securities	$	6,000	$	55	$	—	$	6,055
Total	$	6,000	$	55	$	—	$	6,055
Total investment securities	$	31,627	$	139	$	—	$	31,766

Amortized cost and estimated fair market value of investments classified as available-for-sale at March 31, 2013, are as follows(in thousands):

	Amortized		Gross Unrealized					Estimated Fair
	Cost		Gains		Losses			Market Value
Investments due in less than 3 months:
Commercial paper	$	9,995	$	—	$	—		$	9,995
Corporate securities	15,397		20		—			15,417
Total	$	25,392	$	20	$	—		$	25,412
Investments due in 4-12 months:
Corporate securities	$	8,959	$	26	$	—		$	8,985
Total	$	8,959	$	26	$	—		$	8,985
Investments due in more than 12 months:
Corporate securities	$	25,090	$	50	$	(12	)	$	25,128
Total	$	25,090	$	50	$	(12	)	$	25,128
Total investment securities	$	59,441	$	96	$	(12	)	$	59,525

Schedule of Accounts Receivable [Table Text Block]

Accounts Receivable (in thousands):

	March 31, 2013			December 31, 2012
Accounts receivable trade	$	42,315		$	33,866
Accrued ship and debit and rebate claims	(27,349		)	(26,293		)
Allowance for doubtful accounts	(227		)	(247		)
Total	$	14,739		$	7,326

Schedule of Prepaid Expenses and Other Current Assets [Table Text Block]

Prepaid Expenses and Other Current Assets (in thousands):

	March 31, 2013		December 31, 2012
Prepaid legal fees	$	1,502	$	1,760
Prepaid income tax	7,101		11,463
Prepaid maintenance agreements	649		616
Interest receivable	330		149
Supplier prepayment	834		1,170
Other	2,880		2,243
Total	$	13,296	$	17,401

Changes in Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Changes in accumulated other comprehensive income (loss) for the quarter ended March 31, 2013 (in thousands):

	Unrealized Gains and Losses on Available-for-Sale Securities			Defined Benefit Pension Items				Foreign Currency Items			Total
Beginning balance at December 31, 2012	$	138		$	(560	)		$	129		$	(293	)
Other comprehensive income before reclassifications	(54		)	—				(151		)	(205		)
Amounts reclassified from accumulated other comprehensive income	—			14			(1)	—			14
Net-current period other comprehensive income	(54		)	14				(151		)	(191		)
Ending balance at March 31, 2013	$	84		$	(546	)		$	(22	)	$	(484	)

____________________________

(1) This component of accumulated other comprehensive income is included in the computation of net periodic pension cost for the three months ended March 31, 2013.