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Goodwill (Tables)
9 Months Ended
Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of goodwill
The changes in the carrying amount of goodwill are as follows:
In thousands
 
Total
Balance at December 31, 2015
 
$
218,972

Additions to goodwill
 
3,480

Transfers to current assets held for sale
 
(149,273
)
Balance at September 30, 2016
 
$
73,179