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Nature of Operations and Basis of Presentation - Additional Information (Detail)
 9 Months Ended
Apr. 29, 2020
Facility
Sep. 27, 2021
Segment
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]    
Number of reportable segments | Segment   2
ASU 2019-12    
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]    
Change in accounting principle, accounting standards update, adopted   true
Change in accounting principle, accounting standards update, adoption date   Dec. 29, 2020
Change in accounting principle, accounting standards update, immaterial effect   true
E-M Solutions    
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]    
Number of manufacturing facilities 3  
E-M Solutions | Shanghai    
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]    
Number of manufacturing facilities 2  
E-M Solutions | Shenzhen    
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]    
Number of manufacturing facilities 1