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Supplemental Cash Flow Information
 12 Months Ended
Jun. 30, 2017
Supplemental Cash Flow Elements [Abstract]  
SUPPLEMENTAL CASH FLOW DISCLOSURES
SUPPLEMENTAL CASH FLOW DISCLOSURES
Year ended June 30 (in thousands)
2017
 
2016
 
2015
Cash paid during the period for:
 
 
 
 
 
Interest
$
27,529

 
$
26,250

 
$
30,984

Income taxes
16,755

 
43,733

 
40,295

 
 
 
 
 
 
Supplemental disclosure of non-cash information:
 
 
 
 
 
Changes in accounts payable related to purchases of property, plant and equipment
(3,900
)
 
1,000

 
(9,900
)