Segment Reporting (Tables)

3 Months Ended

Nov. 30, 2015

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

	Energy			Ag			Corporate and Other			Reconciling Amounts			Total
For the Three Months Ended November 30, 2015:	(Dollars in thousands)
Revenues	$	1,705,913		$	6,114,256		$	19,895		$	(111,272	)	$	7,728,792
Operating earnings (losses)	180,513			74,990			4,311			—			259,814
(Gain) loss on investments	—			(5,672		)	—			—			(5,672		)
Interest expense, net	(11,601		)	14,970			3,624			—			6,993
Equity (income) loss from investments	(823		)	(3,576		)	(26,963		)	—			(31,362		)
Income before income taxes	$	192,937		$	69,268		$	27,650		$	—		$	289,855
Intersegment revenues	$	(107,103	)	$	(3,053	)	$	(1,116	)	$	111,272		$	—
Capital expenditures	$	132,367		$	98,138		$	21,173		$	—		$	251,678
Depreciation and amortization	$	41,063		$	55,173		$	4,114		$	—		$	100,350
Total assets at November 30, 2015	$	4,458,849		$	8,415,496		$	3,604,415		$	—		$	16,478,760
	Energy			Ag			Corporate and Other			Reconciling Amounts			Total
For the Three Months Ended November 30, 2014:	(Dollars in thousands)
Revenues	$	3,018,453		$	6,639,971		$	19,983		$	(178,939	)	$	9,499,468
Operating earnings (losses)	282,903			151,889			(4,733		)	—			430,059
(Gain) loss on investments	—			(2,875		)	—			—			(2,875		)
Interest expense, net	4,007			15,520			2,378			—			21,905
Equity (income) loss from investments	(340		)	(20		)	(24,269		)	—			(24,629		)
Income before income taxes	$	279,236		$	139,264		$	17,158		$	—		$	435,658
Intersegment revenues	$	(174,953	)	$	(2,998	)	$	(988	)	$	178,939		$	—
Capital expenditures	$	165,867		$	124,017		$	12,817		$	—		$	302,701
Depreciation and amortization	$	35,238		$	44,992		$	2,950		$	—		$	83,180
Total assets at November 30, 2014	$	4,446,385		$	8,205,480		$	4,089,658		$	—		$	16,741,523