Annual report pursuant to Section 13 and 15(d)

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

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Other Intangible Assets - Components of Gross and Net Acquired Intangible Assets (Detail) - USD ($)
$ in Thousands
Sep. 30, 2017
Sep. 24, 2016
Sep. 26, 2015
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross $ 201,100 $ 172,100 $ 144,100
Accumulated Amortization (57,800) (49,000) (43,200)
Accumulated Impairment (27,200) (27,200) (25,400)
Net Carrying Value 116,067 95,865 75,500
Marketing-Related Intangible Assets      
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross 79,600 77,900 73,700
Accumulated Amortization (12,700) (11,300) (10,400)
Accumulated Impairment (26,000) (26,000) (24,200)
Net Carrying Value 40,900 40,600 39,100
Other Acquired Intangible Assets      
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross 29,900 28,600 27,100
Accumulated Amortization (12,900) (11,600) (10,500)
Accumulated Impairment (1,200) (1,200) (1,200)
Net Carrying Value 15,800 15,800 15,400
Amortizable | Marketing-Related Intangible Assets      
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross 16,900 14,900 14,100
Accumulated Amortization (12,700) (11,300) (10,400)
Accumulated Impairment 0 0 0
Net Carrying Value 4,200 3,600 3,700
Amortizable | Customer-Related Intangible Assets      
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross 91,600 65,600 43,300
Accumulated Amortization (32,200) (26,100) (22,300)
Accumulated Impairment 0 0 0
Net Carrying Value 59,400 39,500 21,000
Amortizable | Other Acquired Intangible Assets      
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross 22,100 20,800 19,300
Accumulated Amortization (12,900) (11,600) (10,500)
Accumulated Impairment 0 0 0
Net Carrying Value 9,200 9,200 8,800
Nonamortizable | Marketing-Related Intangible Assets      
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross 62,700 63,000 59,600
Accumulated Amortization 0 0 0
Accumulated Impairment (26,000) (26,000) (24,200)
Net Carrying Value 36,700 37,000 35,400
Nonamortizable | Other Acquired Intangible Assets      
Acquired Indefinite-lived Intangible Assets [Line Items]      
Gross 7,800 7,800 7,800
Accumulated Amortization 0 0 0
Accumulated Impairment (1,200) (1,200) (1,200)
Net Carrying Value $ 6,600 $ 6,600 $ 6,600