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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2015
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
 
Total
In thousands
 
 
 
 
 
 
Restructuring accrual balance at December 31, 2014
 
$
—

 
$
—

 
$
—

   Provision
 
1,044

 
452

 
1,496

   Cash payments
 
(390
)
 
(77
)
 
(467
)
Restructuring accrual balance at December 31, 2015
 
$
654

 
$
375

 
$
1,029