Fair Value Measurements - Schedule of Assets or Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	May 25, 2019	Aug. 25, 2018
Assets:
Cash equivalents	$ 212,559	$ 103,190
Pension plan assets	5,935	6,325
Foreign currency forward contracts	330	127
Total assets at fair value	218,824	109,642
Level 1
Assets:
Cash equivalents	212,559	103,190
Pension plan assets	0	0
Foreign currency forward contracts	0	0
Total assets at fair value	212,559	103,190
Level 2
Assets:
Cash equivalents	0	0
Pension plan assets	5,935	6,325
Foreign currency forward contracts	330	127
Total assets at fair value	6,265	6,452
Level 3
Assets:
Cash equivalents	0	0
Pension plan assets	0	0
Foreign currency forward contracts	0	0
Total assets at fair value	$ 0	$ 0