Stock Repurchase and Dividends - Schedule of Dividends Declared and Paid (Details) - USD ($) $ / shares in Units, $ in Thousands							3 Months Ended	9 Months Ended
May 28, 2021	Feb. 26, 2021	Dec. 11, 2020	May 29, 2020	Feb. 28, 2020	Dec. 13, 2019	Jun. 27, 2021	Jun. 28, 2020	Jun. 27, 2021	Jun. 28, 2020
Stock Repurchase And Dividends [Abstract]
Dividend paid per share (in dollars per share)	$ 0.20	$ 0.17	$ 0.17	$ 0.17	$ 0.15	$ 0.15	$ 0.20	$ 0.17	$ 0.54	$ 0.47
Dividend Paid	$ 10,831	$ 9,212	$ 9,198	$ 9,175	$ 8,225	$ 8,190			$ 29,241	$ 25,590

Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration