Goodwill and Intangibles (Tables)

9 Months Ended

May 31, 2016

Finite-Lived Intangible Assets [Line Items]

Schedule of Goodwill [Table Text Block]

	Energy		Ag			Corporate and Other		Total
	(Dollars in thousands)
Balances, August 31, 2015	$	552	$	142,665		$	6,898	$	150,115
Goodwill acquired during the period	—		5,726			4,158		9,884
Effect of foreign currency translation adjustments	—		268			—		268
Other	—		(695		)	—		(695		)
Balances, May 31, 2016	$	552	$	147,964		$	11,056	$	159,572

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

	(Dollars in thousands)
Year 1	$	4,595
Year 2	3,911
Year 3	3,909
Year 4	3,704
Year 5	3,486

Schedule of Intangible Assets and Goodwill [Table Text Block]

	May 31, 2016							August 31, 2015
	Carrying Amount		Accumulated Amortization			Net		Carrying Amount		Accumulated Amortization			Net
	(Dollars in thousands)
Customer lists	$	65,238	$	(29,068	)	$	36,170	$	70,925	$	(30,831	)	$	40,094
Trademarks and other intangible assets	40,812		(32,234		)	8,578		42,688		(32,134		)	10,554
Total intangible assets	$	106,050	$	(61,302	)	$	44,748	$	113,613	$	(62,965	)	$	50,648