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Restructuring and Other
3 Months Ended
Mar. 29, 2020
Restructuring and Other
O
. RESTRUCTURING AND OTHER
During the three months ended March 29, 2020,
Teradyne recorded a
gain
of
 $10.0 
million for the decrease in the fair value of the AutoGuide and MiR contingent consideration liabilit
i
es
, partially offset by
 $1.4 
million of acquisition related compensation and expenses
 and
 
$0.7 
million of severance charges related to headcount reductions primarily in Industrial Automation and Semiconductor Test.
During the three months ended March 31, 2019, Teradyne recorded an expense of $3.0 million for the increase in the fair value of the MiR contingent consideration liability, $1.3 million of acquisition related compensation and expenses
,
and $0.8 million of severance charges related to headcount reductions primarily in Semiconductor Test.