XML 53 R42.htm IDEA: XBRL DOCUMENT v3.10.0.1
Quarterly Data (unaudited) (Tables)
 12 Months Ended
Sep. 30, 2018
Quarterly Financial Data [Abstract]  
Schedule of Quarterly Financial Information
The following quarterly information includes all adjustments (consisting only of normal recurring adjustments) which we consider necessary for a fair presentation of such information. Quarterly results fluctuate because of the seasonal nature of the Company’s businesses.
 
December 31,
 
March 31,
 
June 30,
 
September 30,
 
2017
 
2016
 
2018
 
2017
 
2018
 
2017
 
2018
 
2017
Revenues
$
323,105

 
$
261,413

 
$
483,261

 
$
359,940

 
$
159,934

 
$
146,692

 
$
126,081

 
$
119,543

Operating income
$
96,295

 
$
82,236

 
$
135,127

 
$
116,408

 
$
3,914

 
$
27,671

 
$
2,186

 
$
1,992

Net income (loss)
$
68,303

 
$
44,265

 
$
89,184

 
$
65,125

 
$
(3,023
)
 
$
10,697

 
$
(5,543
)
 
$
(4,046
)