DEBT (Tables)

62 Months Ended

Dec. 31, 2012

Long-Term Debt

Long-term debt at December 31, 2012 and 2011 consisted of the following:

	2012		2011
	(in thousands)
Convertible senior notes	$	169,896	$	156,098
Japan loan		3,491		6,431
Total debt		173,387		162,529
Current portion of long-term debt		2,328		2,573
Long-term debt	$	171,059	$	159,956

Principal Payments of Debt

The debt principal payments for the next 5 years and thereafter are as follows:

Payments Due by Period	Debt Principal Payment
	(in thousands)
2013	$	2,328
2014		191,163
2015		—
2016		—
2017		—
Beyond 2017		—
Total	$	193,491

Components of Convertible Senior Notes

The below tables represent the key components of Teradyne’s convertible senior notes:

	December 31, 2012		December 31, 2011
	(in thousands)
Debt principal	$	190,000	$	190,000
Unamortized discount		20,104		33,902
Net carrying amount of the convertible debt	$	169,896	$	156,098

	For the year ended
	December 31, 2012		December 31, 2011
	(in thousands)
Contractual interest expense on the coupon	$	8,550	$	8,550
Amortization of the discount component and debt issue fees recognized as interest expense		14,612		12,853
Total interest expense on the convertible debt	$	23,162	$	21,403