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SUPPLEMENTAL CASH FLOW INFORMATION
12 Months Ended
Dec. 31, 2017
Supplemental Cash Flow Information [Abstract]  
SUPPLEMENTAL CASH FLOW INFORMATION
SUPPLEMENTAL CASH FLOW INFORMATION

Supplemental cash flow disclosures for the periods presented are as follows:
 
Year Ended
December 31,
 
Seven Months Ended December 31,
 
Year Ended May 31,
 
2017
 
2016
 
2016
  
2015
 
 
 
 
 
 
 
 
 
(in thousands)
Income taxes paid (refunded), net
$
97,002

 
$
(3,680
)
 
$
89,684

 
$
66,726

Interest paid
$
154,200

 
$
93,624

 
$
58,730

 
$
36,537