Other Intangible Assets - Components of Gross and Net Acquired Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 30, 2024	Sep. 30, 2023	Mar. 25, 2023
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross	$ 737,800	$ 737,800	$ 737,800
Accumulated Amortization	(215,700)	(199,400)	(182,800)
Accumulated Impairment	(41,200)	(41,200)	(29,800)
Net Carrying Value	480,910	497,228	525,301
Marketing-related intangible assets
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross	274,600	274,600	274,600
Accumulated Amortization	(21,900)	(21,500)	(21,100)
Accumulated Impairment	(29,400)	(29,400)	(26,000)
Net Carrying Value	223,300	223,700	227,500
Other acquired intangible assets
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross	46,800	46,800	46,800
Accumulated Amortization	(32,500)	(30,500)	(28,600)
Accumulated Impairment	(1,500)	(1,500)	(1,200)
Net Carrying Value	12,800	14,800	17,100
Amortizable \| Marketing-related intangible assets
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross	22,100	22,100	22,100
Accumulated Amortization	(21,900)	(21,500)	(21,100)
Accumulated Impairment	0	0	0
Net Carrying Value	200	600	1,000
Amortizable \| Customer-related intangible assets
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross	416,400	416,400	416,400
Accumulated Amortization	(161,400)	(147,400)	(133,100)
Accumulated Impairment	(10,300)	(10,300)	(2,500)
Net Carrying Value	244,700	258,800	280,800
Amortizable \| Other acquired intangible assets
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross	39,700	39,700	39,700
Accumulated Amortization	(32,500)	(30,500)	(28,600)
Accumulated Impairment	(300)	(300)	0
Net Carrying Value	6,900	8,900	11,100
Nonamortizable \| Marketing-related intangible assets
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross	252,500	252,500	252,500
Accumulated Amortization	0	0	0
Accumulated Impairment	(29,400)	(29,400)	(26,000)
Net Carrying Value	223,100	223,100	226,500
Nonamortizable \| Other acquired intangible assets
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross	7,100	7,100	7,100
Accumulated Amortization	0	0	0
Accumulated Impairment	(1,200)	(1,200)	(1,200)
Net Carrying Value	$ 5,900	$ 5,900	$ 5,900

Intangible Assets Accumulated Impairment

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(16))
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
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Amount before accumulated amortization of intangible assets, excluding goodwill.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
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