Restructuring and Other	9 Months Ended
Oct. 04, 2015
Restructuring and Other	N. Restructuring and Other *Other* During the three months ended October 4, 2015, Teradyne recorded a $1.0 million gain from the decrease in the fair value of the AIT contingent consideration liability, partially offset by $0.1 million of acquisition costs related to Universal Robots. During the nine months ended October 4, 2015, Teradyne recorded a $2.6 million gain from the decrease in the fair value of contingent consideration liability, of which $1.6 million was related to the ZTEC acquisition and $1.0 million was related to the AIT acquisition, partially offset by $1.1 million of acquisition costs related to Universal Robots. During the three and nine months ended September 28, 2014, Teradyne recorded a $0.6 million fair value adjustment to decrease the ZTEC acquisition contingent consideration. *Restructuring* During the three and nine months ended October 4, 2015, Teradyne recorded $1.1 million and $1.4 million, respectively, of severance charges related to headcount reductions of 18 and 22 people, respectively, primarily in System Test. During the nine months ended September 28, 2014, Teradyne recorded $0.8 million of severance charges related to headcount reductions of 30 people, primarily in Wireless Test.

Restructuring and Other

9 Months Ended

Oct. 04, 2015

N. Restructuring and Other

Other

During the three months ended October 4, 2015, Teradyne recorded a $1.0 million gain from the decrease in the fair value of the AIT contingent consideration liability, partially offset by $0.1 million of acquisition costs related to Universal Robots.

During the nine months ended October 4, 2015, Teradyne recorded a $2.6 million gain from the decrease in the fair value of contingent consideration liability, of which $1.6 million was related to the ZTEC acquisition and $1.0 million was related to the AIT acquisition, partially offset by $1.1 million of acquisition costs related to Universal Robots.

During the three and nine months ended September 28, 2014, Teradyne recorded a $0.6 million fair value adjustment to decrease the ZTEC acquisition contingent consideration.

Restructuring

During the three and nine months ended October 4, 2015, Teradyne recorded $1.1 million and $1.4 million, respectively, of severance charges related to headcount reductions of 18 and 22 people, respectively, primarily in System Test. During the nine months ended September 28, 2014, Teradyne recorded $0.8 million of severance charges related to headcount reductions of 30 people, primarily in Wireless Test.