Recently Issued Accounting Pronouncements	3 Months Ended
Mar. 31, 2013
Recently Issued Accounting Pronouncements	C. Recently Issued Accounting Pronouncements In December 2011, the FASB issued ASU No. 2011-11, “Disclosures about Offsetting Assets and Liabilities.” This ASU is intended to enhance the understanding of the effects of netting arrangements on an entity’s financial statements, including financial instruments and derivative instruments that are either offset or subject to a master netting arrangement. The scope of this ASU includes derivatives, sale and repurchase agreements, reverse sale and repurchase agreements, and securities borrowing and lending arrangements. The provisions of this ASU are effective for interim and annual periods beginning on or after January 1, 2013. Teradyne adopted this ASU effective January 1, 2013. See Note D “Financial Instruments and Derivatives.” In February 2013, the Financial Accounting Standards Board (FASB) issued ASU 2013-02, “Comprehensive Income (Topic 220): Reporting of Amounts Reclassified out of Accumulated Other Comprehensive Income” amending the disclosure requirements regarding the reporting of amounts reclassified out of accumulated other comprehensive income. The amendment does not change the current requirement for reporting net income or other comprehensive income, but requires additional disclosures about significant amounts reclassified out of accumulated other comprehensive income including the effect of the reclassification on the related net income line items. The provisions of this ASU are effective for interim and annual periods beginning on or after January 1, 2013. Teradyne adopted this amendment effective January 1, 2013. See Note I “Accumulated Other Comprehensive Income.”

C. Recently Issued Accounting Pronouncements

In December 2011, the FASB issued ASU No. 2011-11, “Disclosures about Offsetting Assets and Liabilities.” This ASU is intended to enhance the understanding of the effects of netting arrangements on an entity’s financial statements, including financial instruments and derivative instruments that are either offset or subject to a master netting arrangement. The scope of this ASU includes derivatives, sale and repurchase agreements, reverse sale and repurchase agreements, and securities borrowing and lending arrangements. The provisions of this ASU are effective for interim and annual periods beginning on or after January 1, 2013. Teradyne adopted this ASU effective January 1, 2013. See Note D “Financial Instruments and Derivatives.”

In February 2013, the Financial Accounting Standards Board (FASB) issued ASU 2013-02, “Comprehensive Income (Topic 220): Reporting of Amounts Reclassified out of Accumulated Other Comprehensive Income” amending the disclosure requirements regarding the reporting of amounts reclassified out of accumulated other comprehensive income. The amendment does not change the current requirement for reporting net income or other comprehensive income, but requires additional disclosures about significant amounts reclassified out of accumulated other comprehensive income including the effect of the reclassification on the related net income line items. The provisions of this ASU are effective for interim and annual periods beginning on or after January 1, 2013. Teradyne adopted this amendment effective January 1, 2013. See Note I “Accumulated Other Comprehensive Income.”