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Other Current Liabilities (Tables)
12 Months Ended
Dec. 31, 2012
Other Current Liabilities [Abstract]  
Summary of other current liabilities
                 
    December 31  

In thousands

    2012       2011  

Accrued payroll and benefits

  $ 50,637     $ 48,654  

Other accrued compensation and retirement benefits

    8,977       6,253  

Income taxes payable

    2,656       3,543  

Accrued rebates

    11,330       10,839  

Other accrued expenses

    39,889       28,309  

Total

  $ 113,489     $ 97,598