Goodwill and Intangibles (Tables)

6 Months Ended

Feb. 28, 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	—		388			—		388
Effect of foreign currency translation adjustments	—		(4,217		)	—		(4,217		)
Balances, February 28, 2015	$	552	$	147,417		$	6,898	$	154,867

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

	(Dollars in thousands)
Year 1	$	7,089
Year 2	6,409
Year 3	4,802
Year 4	3,609
Year 5	3,489

Schedule of Intangible Assets and Goodwill [Table Text Block]

	February 28, 2015							August 31, 2014
	Carrying Amount		Accumulated Amortization			Net		Carrying Amount		Accumulated Amortization			Net
	(Dollars in thousands)
Customer lists	$	70,375	$	(28,472	)	$	41,903	$	69,862	$	(26,114	)	$	43,748
Trademarks and other intangible assets	42,402		(30,853		)	11,549		41,293		(29,587		)	11,706
Total intangible assets	$	112,777	$	(59,325	)	$	53,452	$	111,155	$	(55,701	)	$	55,454