Discontinued Operations Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Aug. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Liabilities from discontinued operations	$ 0		$ 143,763
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	(4,251)	$ (1,029)
Engineered Components & Systems [Member] [Domain]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Trade and Loans Receivables Held-for-sale, Net, Not Part of Disposal Group			52,802
Disposal Group, Including Discontinued Operation, Inventory, Current			76,825
Disposal Group, Including Discontinued Operation, Other Assets, Current			8,058
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent			32,172
Disposal Group, Including Discontinued Operation, Goodwill			16,862
Disposal Group, Including Discontinued Operation, Intangible Assets			93,314
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent			5,545
Disposal Group, Including Discontinued Operation, Assets			285,578
Disposal Group, Including Discontinued Operation, Trade Accounts Payable, Current			43,628
Disposal Group, Including Discontinued Operation, Accrued Compensation and Benefits			12,101
Disposal Group, Including Discontinued Operation, Reserve for Cumulative Translation Adjustment			54,469
Disposal Group, Including Discontinued Operation, Other Liabilities, Current			12,101
Disposal Group, Including Discontinued Operation, Deferred Income Taxes			20,029
Disposal Group, Including Discontinued Operation, Pension and Postretirement Benefit Obligation			1,344
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent			91
Liabilities from discontinued operations			$ 143,763
Disposal Group, Including Discontinued Operation, Revenue	67,010	133,980
Disposal Group, Including Discontinued Operation, Costs of Goods Sold	49,749	99,284
Disposal Group, Including Discontinued Operation, Gross Profit	17,261	34,696
Disposal Group, Including Discontinued Operation, Selling, Administrative and Engineering Expenses	10,832	20,071
Disposal Group, Including Discontinued Operation, Amortization of Intangible Assets	0	1,981
Disposal Group, Including Discontinued Operation, Restructuring (Benefit) Charges	(11)	432
Disposal Group, Including Discontinued Operation, Impairment & Divestiture Charges	28,416	12,976
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	(21,976)	(764)
Disposal Group, Including Discontinued Operation, Financing Costs (Benefits)	14	(3)
Disposal Group, Including Discontinued Operation, Other (Income) Expense	(104)	(406)
Disposal Group, Including Discontinued Operation, Loss Before Income Tax Benefit	(21,886)	(1,167)
Disposal Group, Including Discontinued Operation, Income Tax Benefit	(17,635)	(138)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	$ (4,251)	$ (1,029)