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Supplemental Disclosure of Cash Flow Information (Tables)
12 Months Ended
Sep. 30, 2014
Supplemental Disclosure of Cash Flow Information
     Years Ended September 30,  

(in thousands)

   2014      2013      2012  

Cash paid during the period for:

        

Income taxes, net

   $ 25,518       $ 16,137       $ 6,175   

Interest

   $ 16,968       $ 14,376       $ 14,487   

Non-cash financing activities:

        

Increase in interest expense—amortization of debt discount on 8.875% Senior Note

   $ 112       $ 103       $ 94