Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangibles, Net - Additional Information (Detail)

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Goodwill and Other Intangibles, Net - Additional Information (Detail) - USD ($)
3 Months Ended
Jan. 02, 2021
Oct. 03, 2020
Dec. 28, 2019
Finite and Indefinite Lived Intangible Assets [Line Items]      
Amortization expense $ 500,000 $ 600,000 $ 600,000
Impairment of goodwill or other intangible assets 0 0 0
Intangible assets gross amount capitalized on condensed consolidated balance sheets 54,123,000 54,123,000 54,123,000
Intangible assets net carrying value 27,064,000 27,602,000 29,577,000
Mailing Lists      
Finite and Indefinite Lived Intangible Assets [Line Items]      
Intangible assets gross amount capitalized on condensed consolidated balance sheets 1,600,000 1,600,000 1,600,000
Intangible assets net carrying value $ 300,000 $ 300,000 $ 300,000