Bank Credit Agreements and Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2013

Long-term debt by current and noncurrent [Abstract]

Schedule Of Debt [Table Text Block]

	2013			Outstanding at December 31,
	Lines of Credit	Terms		2013		2012
$	112,023	Unsecured, interest at LIBOR plus margin, due quarterly	$	5,814	$	5,629
	-	Secured, interest at LIBOR plus margin, due monthly		-		2,000
$	112,023		$	5,814	$	7,629

Long-term debt – The balances as of December 31, consist of the following:

		2013		2012
Notes payable to Taiwan bank, principal amount of TWD 158 million, variable interest (approximately 2.1% and 3.3% as of December 31, 2013 and 2012, respectively), of which TWD 132 million matures on July 6, 2021, and TWD 26 million matured July 6, 2013, secured by land and building.		2,500		2,979
Notes payable to Taiwan banks, variable interest between 1.8% and 2.5% as of December 31, 2013, maturity dates range from 2013 to 2023, secured by land, building and equipment.		2,426		2,215
Revolver		179,000		-
Term Loan		-		40,000
Total long-term debt		183,926		45,194
Less: Current portion		(1,127)		(1,063)
Long-term debt, net of current portion	$	182,799	$	44,131

Schedule Of Maturities Of Long Term Debt [Table Text Block]

The annual contractual maturities of long-term debt at December 31, 2013 are as follows

2014	1,127
2015	1,132
2016	567
2017	555
2018	179,561
Thereafter	984
Total long-term debt	$ 183,926

Schedule of Convertible Senior Notes Interest Expense [Table Text Block]

		2011
Notes contractual interest expense	$	2,267
Amortization of debt discount		6,032
Amortization of debt issuance costs		412
Total	$	8,711