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Income Taxes (Tables)
3 Months Ended
Mar. 31, 2016
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense

The following table presents components of income tax expense for the three months ended March 31, 2016 and 2015:

   Three months ended
March 31,
(in thousands)  2016  2015
    
Income tax based on income from continuing operations, at estimated tax rates of 39.7% and 40.0%, respectively  $8,076   $8,300 
         
Income tax before discrete items  8,076   8,300 
         
Discrete tax expense/(benefit):        
Provision for/resolution of tax audits and contingencies, net  (825)  83 
Other discrete tax adjustments, net  (208)  45 
Enacted tax legislation  -   91 
Total income tax expense  $7,043   $8,519