Divestiture Activities- Additional Information (Detail) - USD ($) $ in Thousands				3 Months Ended	12 Months Ended
	Dec. 01, 2017	Aug. 31, 2017	Aug. 25, 2016	Aug. 31, 2016	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment and divestiture charges					$ 73,058	$ 116,979
Asset Impairment Charges							$ 186,511
Loss on product line divestiture					0	0	(5,092)
Proceeds from sale of businesses, net of transaction costs					8,902	0	9,695
Gain on disposal of business, net of tax benefit					0	0	(1,557)
Cortland Fibron [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment and divestiture charges					46,331
Impairment Charge Representing Excess of the Net Book Value of Assets Held for Sale to the Anticipated Proceeds					10,500
Cumulative Effect of Foreign Currency Rate Change Since Acquisition					35,300
Other Divestiture Charges					500
Income Tax Benefit Related to Write Down of Assets					1,400
Viking [Domain]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash Charge Related to Operating Lease Buyout		$ 28,600				28,600
Asset Impairment Charges						16,100
Cumulative Effect of Foreign Currency Rate Change Since Acquisition						69,000
Other Divestiture Charges		$ 3,300
Income Tax Benefit Related to Write Down of Assets						8,100
Disposal Date	Dec. 01, 2017
Proceeds from sale of businesses, net of transaction costs					8,780
Disposal Group, Including Discontinued Operation, Accounts Payable and Accrued Liabilities, Current [Abstract]
Divestiture Charges					12,400
Business Exit Costs					3,000
Discrete Income Tax Expense					9,400
FY18 Divestiture Businesses [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, annual revenue					$ 23,900	$ 34,400	$ 58,000
Sanlo [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Date			Aug. 25, 2016
Loss on product line divestiture			$ (5,092)
Proceeds from sale of businesses, net of transaction costs			9,700
Gain on disposal of business, net of tax benefit			$ 1,600
Disposal Group, Not Discontinued Operation, annual revenue				$ 10,800