XML 57 R38.htm IDEA: XBRL DOCUMENT v3.19.1

Debt (Tables)

3 Months Ended

Mar. 31, 2019

Components of Convertible Senior Notes

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

		March 31, 2019				December 31, 2018
		(in thousands)
Debt Principal		$	460,000			$	460,000
Unamortized discount			76,410				80,019
Net Carrying amount of convertible debt		$	383,590			$	379,981

		For the Three Months Ended
		March 31, 2019				April 1, 2018
		(in thousands)
Contractual interest expense on the coupon		$	1,438			$	1,438
Amortization of the discount component recognized as interest expense			3,608				3,434
Total interest expense on the convertible debt		$	5,046			$	4,872

X

- Definition

Tabular disclosure of borrowings which can be exchanged for a specified number of another security at the option of the issuer or the holder. Disclosures include, but are not limited to, principal amount, amortized premium or discount, and amount of liability and equity components.

+ References

No definition available.

+ Details

Name:	us-gaap_ConvertibleDebtTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration