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Restructuring Charges (Tables)
 9 Months Ended
Sep. 30, 2016
Restructuring Charges [Abstract]  
Activity in the Restructure Accrual
The following table provides a summary of the activity in the restructure accrual for the nine month period ended September 30, 2016:

(in thousands)
December 31, 2015
 
Adjustments
 
Payments
 
September 30, 2016
Facility closure obligation
$
657

 
$
166

 
$
(351
)
 
$
472