Goodwill and Intangibles (Tables)

9 Months Ended

May. 31, 2015

Finite-Lived Intangible Assets [Line Items]

Schedule of Goodwill [Table Text Block]

	Energy		Ag			Corporate and Other		Total
	(Dollars in thousands)
Balances, August 31, 2014	$	552	$	151,246		$	6,898	$	158,696
Goodwill acquired during the period	—		1,213			—		1,213
Effect of foreign currency translation adjustments	—		(3,459		)	—		(3,459		)
Balances, May 31, 2015	$	552	$	149,000		$	6,898	$	156,450

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

	(Dollars in thousands)
Year 1	$	7,195
Year 2	5,996
Year 3	4,712
Year 4	3,767
Year 5	3,543

Schedule of Intangible Assets and Goodwill [Table Text Block]

	May 31, 2015							August 31, 2014
	Carrying Amount		Accumulated Amortization			Net		Carrying Amount		Accumulated Amortization			Net
	(Dollars in thousands)
Customer lists	$	71,244	$	(29,658	)	$	41,586	$	69,862	$	(26,114	)	$	43,748
Trademarks and other intangible assets	42,409		(31,482		)	10,927		41,293		(29,587		)	11,706
Total intangible assets	$	113,653	$	(61,140	)	$	52,513	$	111,155	$	(55,701	)	$	55,454