Fair Value Measurements - Schedule of Assets or Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Aug. 29, 2020	Aug. 31, 2019
Assets:
Cash equivalents	$ 196,478	$ 214,038
Pension plan assets	4,146	4,603
Foreign currency forward contracts	87	254
Total assets at fair value	200,711	218,895
Level 1
Assets:
Cash equivalents	196,478	214,038
Pension plan assets		0
Foreign currency forward contracts		0
Total assets at fair value	196,478	214,038
Level 2
Assets:
Cash equivalents		0
Pension plan assets	4,146	4,603
Foreign currency forward contracts	87	254
Total assets at fair value	$ 4,233	4,857
Level 3
Assets:
Cash equivalents		0
Pension plan assets		0
Foreign currency forward contracts		0
Total assets at fair value		$ 0