Pension and Other Postretirement Benefit Plans - Schedule of Certain Information Regarding Cash Contributions (Details) $ in Thousands	9 Months Ended
Jun. 26, 2026 USD ($)
Retirement Benefits [Abstract]
Cash contributions made during the first nine months of fiscal 2026	$ 11,000
Cash contributions projected for the remainder of fiscal 2026	2,850
Total	$ 13,850

Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (g)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

Name:	us-gaap_PensionContributions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration