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Long-Term Debt (Tables)
 12 Months Ended
Dec. 31, 2012
Long-Term Debt [Abstract]  
Summary of long-term debt
                 
    December 31  

In thousands

     2012       2011  

Revolving credit facility, due Nov. 2016

   $ –     $ 27,000  

5.375% Notes, due Nov 2020

     250,000       –  

7.125% Notes, due May 2016

     –       200,000  

Total long-term debt

     250,000       227,000  

Less current portion

     –       –  

Long-term debt, net of current portion

   $ 250,000     $ 227,000  
Maturities of long-term debt
             

In thousands

            

2013

   $ –      

2014

     –      

2015

     –      

2016

     –      

2017

     –      

Thereafter

   $ 250,000