Accumulated Other Comprehensive Income (Loss) - Amounts Reclassified from Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 24, 2018	Feb. 25, 2017	Feb. 24, 2018	Feb. 25, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax effect of reclass from AOCI	$ 14,810	$ (14,858)	$ (4,017)	$ (32,708)
Revenues	(419,264)	(391,427)	(835,042)	(777,535)
Net Income (Loss) Attributable to Parent	(58,378)	(22,516)	(92,584)	(50,730)
Total amounts reclassified, net of tax	(1,182)	(27)	(1,178)	(103)
Pension Benefit Liabilities, Net
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax effect of reclass from AOCI	(1,192)	0	(1,192)	0
Total amounts reclassified, net of tax	(1,192)	0	(1,192)	0
Derivative Financial Instruments, Net
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net Income (Loss) Attributable to Parent	10	(27)	14	(103)
Total amounts reclassified, net of tax	10	(27)	14	(103)
Derivative Financial Instruments, Net | Forward Contracts
Accumulated Other Comprehensive Income (Loss) [Line Items]
Revenues	$ 10	$ (27)	$ 14	$ (103)