Quarterly report pursuant to Section 13 or 15(d)

Business Combination - Summary Of Identifiable Intangible Assets Acquired and their Estimated Useful Lives (Detail)

v3.21.2
Business Combination - Summary Of Identifiable Intangible Assets Acquired and their Estimated Useful Lives (Detail)
 9 Months Ended
Sep. 25, 2021
USD ($)
Access Control Technologies, LLC Acquisition [Member]  
Acquired Indefinite-lived Intangible Assets [Line Items]  
Identifiable Intangible Assets $ 4,200,000
Access Control Technologies, LLC Acquisition [Member] | Customer relationships  
Acquired Indefinite-lived Intangible Assets [Line Items]  
Identifiable Intangible Assets $ 2,470,000
Useful Lives 15 years
Access Control Technologies, LLC Acquisition [Member] | Backlog  
Acquired Indefinite-lived Intangible Assets [Line Items]  
Identifiable Intangible Assets $ 280,000
Useful Lives 3 months
Access Control Technologies, LLC Acquisition [Member] | Trademark  
Acquired Indefinite-lived Intangible Assets [Line Items]  
Identifiable Intangible Assets $ 1,450,000
DBCI, LLC Acquisition [Member]  
Acquired Indefinite-lived Intangible Assets [Line Items]  
Identifiable Intangible Assets 50,300,000
DBCI, LLC Acquisition [Member] | Customer relationships  
Acquired Indefinite-lived Intangible Assets [Line Items]  
Identifiable Intangible Assets $ 26,320,000
Useful Lives 15 years
DBCI, LLC Acquisition [Member] | Backlog  
Acquired Indefinite-lived Intangible Assets [Line Items]  
Identifiable Intangible Assets $ 3,130,000
Useful Lives 4 months
DBCI, LLC Acquisition [Member] | Trademark  
Acquired Indefinite-lived Intangible Assets [Line Items]  
Identifiable Intangible Assets $ 20,850,000