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Restructuring (Tables)
 9 Months Ended
Jun. 30, 2019
Restructuring and Related Activities [Abstract]  
Restructuring Activity
The table below details the activity for the nine months ended June 30, 2019 related to the above action as well as additional headcount reductions as we consolidated satellite offices in our Semiconductor segment and the outstanding obligations as of June 30, 2019, in thousands:

 
Nine Months Ended June 30, 2019
Balance at September 30, 2018
$
—

Severance expense, net of adjustments
1,072

Cash payments
(1,041
)
Balance at June 30, 2019
$
31