Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 22, 2014	Nov. 23, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ (128,903)	$ (120,788)
Other comprehensive (loss) income before reclassifications	(18,485)	7,733
Amounts reclassified from Accumulated other comprehensive loss	1,237	968
Ending Balance	(146,151)	(112,087)
Pension Liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(63,820)	(50,861)
Amounts reclassified from Accumulated other comprehensive loss	1,217	952
Ending Balance	(62,603)	(49,909)
Foreign Currency [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(57,836)	(62,483)
Other comprehensive (loss) income before reclassifications	(18,361)	7,507
Ending Balance	(76,197)	(54,976)
Net Unrealized Gain on Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	76	(25)
Other comprehensive (loss) income before reclassifications	(33)	226
Amounts reclassified from Accumulated other comprehensive loss	(5)	(10)
Ending Balance	38	191
Derivatives [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(7,323)	(7,419)
Other comprehensive (loss) income before reclassifications	(91)
Amounts reclassified from Accumulated other comprehensive loss	25	26
Ending Balance	$ (7,389)	$ (7,393)