SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Available-for-sale Securities

Amortized cost and estimated fair market value of investments classified as available-for-sale at September 30, 2014, were as follows(in thousands):

	Amortized		Gross Unrealized					Estimated Fair
	Cost		Gains		Losses			Market Value
Investments due in less than 3 months:
Corporate securities	$	6,000	$	3	$	—		$	6,003
Total	$	6,000	$	3	$	—		$	6,003
Investments due in 4-12 months:
Corporate securities	$	37,175	$	62	$	—		$	37,237
Total	$	37,175	$	62	$	—		$	37,237
Investments due between 12 months and 5-years:
Corporate securities	$	109,766	$	204	$	(66	)	$	109,904
Total	$	109,766	$	204	$	(66	)	$	109,904
Total investment securities	$	152,941	$	269	$	(66	)	$	153,144

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

	Amortized		Gross Unrealized					Estimated Fair
	Cost		Gains		Losses			Market Value
Investments due in less than 3 months:
Commercial paper	$	3,098	$	1	$	—		$	3,099
Total	$	3,098	$	1	$	—		$	3,099
Investments due in 4-12 months:
Corporate securities	$	6,007	$	33	$	—		$	6,040
Total	$	6,007	$	33	$	—		$	6,040
Investments due between 12 months and 5-years:
Corporate securities	$	102,963	$	202	$	(26	)	$	103,139
Total	$	102,963	$	202	$	(26	)	$	103,139
Total investment securities	$	112,068	$	236	$	(26	)	$	112,278

Schedule of Accounts Receivable

Accounts Receivable (in thousands):

	September 30, 2014			December 31, 2013
Accounts receivable trade	$	43,618		$	42,410
Accrued ship and debit and rebate claims	(33,042		)	(29,901		)
Allowance for doubtful accounts	(195		)	(120		)
Total	$	10,381		$	12,389

Schedule of Prepaid Expenses and Other Current Assets

Prepaid Expenses and Other Current Assets (in thousands):

	September 30, 2014		December 31, 2013
Prepaid legal fees	$	2,635	$	6,267
Prepaid income tax	837		7,521
Prepaid maintenance agreements	890		947
Interest receivable	764		519
Supplier prepayment	622		757
Other	3,025		2,621
Total	$	8,773	$	18,632

Changes in Accumulated Other Comprehensive Income (Loss)

Changes in accumulated other comprehensive income (loss) for the three months ended September 30, 2014 and 2013 (in thousands):

	Unrealized Gains and Losses on Available-for-Sale Securities						Defined Benefit Pension Items										Foreign Currency Items						Total
	Three Months Ended						Three Months Ended										Three Months Ended						Three Months Ended
	September 30,						September 30,										September 30,						September 30,
	2014			2013			2014					2013					2014			2013			2014			2013
Beginning balance at July 1,	$	449		$	(120	)	$	(750	)			$	(532	)			$	111		$	(35	)	$	(190	)	$	(687	)
Other comprehensive income (loss) before reclassifications	(246		)	196			—					—					(53		)	118			(299		)	314
Amounts reclassified from accumulated other comprehensive income (loss)	—			—			15			(1	)	15			(1	)	—			—			15			15
Net-current period other comprehensive income (loss)	(246		)	196			15					15					(53		)	118			(284		)	329
Ending balance at September 30,	$	203		$	76		$	(735	)			$	(517	)			$	58		$	83		$	(474	)	$	(358	)

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(1) This component of accumulated other comprehensive income is included in the computation of net periodic pension cost for the three months ended September 30, 2014 and 2013.

Changes in accumulated other comprehensive income (loss) for the nine months ended September 30, 2014 and 2013 (in thousands):

	Unrealized Gains and Losses on Available-for-Sale Securities						Defined Benefit Pension Items								Foreign Currency Items						Total
	Nine Months Ended						Nine Months Ended								Nine Months Ended						Nine Months Ended
	September 30,						September 30,								September 30,						September 30,
	2014			2013			2014				2013				2014			2013			2014			2013
Beginning balance at December 31,	$	210		$	138		$	(780	)		$	(560	)		$	100		$	129		$	(470	)	$	(293	)
Other comprehensive income (loss) before reclassifications	(7		)	(62		)	—				—				(42		)	(46		)	(49		)	(108		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			—			45			(1)	43			(1)	—			—			45			43
Net-current period other comprehensive income (loss)	(7		)	(62		)	45				43				(42		)	(46		)	(4		)	(65		)
Ending balance at September 30,	$	203		$	76		$	(735	)		$	(517	)		$	58		$	83		$	(474	)	$	(358	)

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(1) This component of accumulated other comprehensive income is included in the computation of net periodic pension cost for the nine months ended September 30, 2014 and 2013.