XML 37 R24.htm IDEA: XBRL DOCUMENT v2.4.0.8
Debt (tables)
6 Months Ended
Jun. 30, 2014
Long-term Debt, Current and Noncurrent [Abstract]  
Fair Value Of Long Term Debt Table [Text Block]
 
 
June 30,
 
December 31,
In thousands
 
2014
 
2013
 
2013
Carrying amount
 
$
721,700

 
$
691,700

 
$
741,700

Estimated fair value
 
807,617

 
769,679

 
806,359