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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2016
Accounting Policies [Abstract]  
Schedule of accrual for restructuring actions
The following table summarizes the accrual balances by cost type for the 2015 restructuring actions:
 
 
Severance
 
Other(a)
 
Total
In thousands
 
 
 
 
 
 
Restructuring accrual balance at December 31, 2015
 
$
654

 
$
375

 
$
1,029

   Provision
 
(75
)
 
6

 
(69
)
   Cash payments
 
(579
)
 
(381
)
 
(960
)
Restructuring accrual balance at December 31, 2016
 
$
—

 
$
—

 
$
—


(a) Includes costs associated with consolidation of facilities