GOODWILL AND INTANGIBLE ASSETS - Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 26, 2026	Sep. 30, 2025
Amortizable intangible assets:
Gross Carrying Value	$ 398,130	$ 426,976
Accumulated Amortization	(367,753)	(358,998)
Net Carrying Value	30,377	67,978
Intangible Asset, Excluding Goodwill, after Accumulated Amortization [Abstract]
Gross Carrying Value	490,888	519,756
Net Carrying Value	123,135	160,758
Trade names
Indefinite-lived Intangible Assets [Line Items]
Trade names	92,758	92,780
Customer relationships
Amortizable intangible assets:
Gross Carrying Value	374,692	401,771
Accumulated Amortization	(346,238)	(338,201)
Net Carrying Value	$ 28,454	$ 63,570
Customer relationships \| Weighted Average Useful Life (Years)
Amortizable intangible assets:
Weighted Average Useful Life (Years)	11 years	11 years
Other
Amortizable intangible assets:
Gross Carrying Value	$ 23,438	$ 25,205
Accumulated Amortization	(21,515)	(20,797)
Net Carrying Value	$ 1,923	$ 4,408
Other \| Weighted Average Useful Life (Years)
Amortizable intangible assets:
Weighted Average Useful Life (Years)	8 years	8 years

Useful life of finite-lived intangible asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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