Quarterly report pursuant to Section 13 or 15(d)

Acquired Intangible Assets and Goodwill - Additional Information (Detail)

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Acquired Intangible Assets and Goodwill - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 26, 2021
Jun. 27, 2020
Jun. 26, 2021
Jun. 27, 2020
Dec. 26, 2020
Goodwill and Intangible Assets Disclosure [Abstract]          
Intangible assets gross, foreign currency translation gain loss     $ 361,000   $ 997,000
Intangible Amortization $ 6,791,000 $ 6,686,000 $ 13,623,000 $ 13,396,000