Fair Value Measurements - Schedule of Assets or Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Nov. 28, 2020	Aug. 29, 2020
Assets:
Cash equivalents	$ 196,649	$ 196,478
Pension plan assets	4,097	4,146
Foreign currency forward contracts	58	87
Total assets at fair value	200,804	200,711
Level 1
Assets:
Cash equivalents	196,649	196,478
Pension plan assets	0	0
Foreign currency forward contracts	0	0
Total assets at fair value	196,649	196,478
Level 2
Assets:
Cash equivalents	0	0
Pension plan assets	4,097	4,146
Foreign currency forward contracts	58	87
Total assets at fair value	4,155	4,233
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