Quarterly report pursuant to Section 13 or 15(d)

Other Intangible Assets - Components of Gross and Net Acquired Intangible Assets (Details)

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Other Intangible Assets - Components of Gross and Net Acquired Intangible Assets (Details) - USD ($)
$ in Thousands
Jun. 26, 2021
Sep. 26, 2020
Jun. 27, 2020
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross $ 264,600 $ 264,600 $ 264,600
Accumulated Amortization (109,800) (99,900) (96,500)
Accumulated Impairment (29,700) (29,800) (29,700)
Net Carrying Value 125,069 134,924 138,305
Marketing-related intangible assets      
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross 91,200 91,200 91,200
Accumulated Amortization (18,300) (17,600) (17,300)
Accumulated Impairment (26,000) (26,000) (26,000)
Net Carrying Value 46,900 47,600 47,900
Other acquired intangible assets      
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross 33,100 33,100 33,000
Accumulated Amortization (19,400) (18,200) (17,800)
Accumulated Impairment (1,200) (1,200) (1,200)
Net Carrying Value 12,500 13,600 14,100
Amortizable | Marketing-related intangible assets      
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross 20,600 20,600 20,600
Accumulated Amortization (18,300) (17,600) (17,300)
Accumulated Impairment 0 0 0
Net Carrying Value 2,300 3,000 3,300
Amortizable | Customer-related intangible assets      
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross 140,300 140,300 140,300
Accumulated Amortization (72,100) (64,100) (61,400)
Accumulated Impairment (2,500) (2,500) (2,500)
Net Carrying Value 65,700 73,700 76,300
Amortizable | Other acquired intangible assets      
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross 26,000 26,000 26,000
Accumulated Amortization (19,400) (18,200) (17,800)
Accumulated Impairment 0 0 0
Net Carrying Value 6,600 7,800 8,200
Nonamortizable | Marketing-related intangible assets      
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross 70,600 70,600 70,600
Accumulated Amortization 0 0 0
Accumulated Impairment (26,000) (26,000) (26,000)
Net Carrying Value 44,600 44,600 44,600
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