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Supplemental Cash Flow Information
 9 Months Ended
Mar. 31, 2014
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information

14. Supplemental cash flow information

     The following table presents the supplemental cash flow disclosures for the three and nine months ended March 31, 2014 and 2013:

  Three months ended   Nine months ended
  March 31,   March 31,
    2014   2013   2014   2013
Cash received from interest $ 3,422 $ 2,395 $ 9,886 $ 8,104
Cash paid for interest $ 1,651 $ 2,020 $ 5,317 $ 6,073
Cash paid for income taxes $ 1,570 $ 1,701 $ 16,097 $ 12,180