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Business Combinations (Details)
$ in Thousands
12 Months Ended
Aug. 29, 2020
Aug. 31, 2019
USD ($)
entity
Sep. 01, 2018
USD ($)
Business Acquisition [Line Items]      
Loans to related parties   $ 2,850  
MSC Mexico [Member]      
Business Acquisition [Line Items]      
Ownership interest in subsidiary   75.00%  
All Integrated Solutions ("AIS") [Member]      
Business Acquisition [Line Items]      
Acquisition date Apr. 30, 2018    
Ownership interest in subsidiary     100.00%
Payments to acquire business     $ 87,848
Post-closing working capital adjustment paid out     $ 1,155
TAC [Member]      
Business Acquisition [Line Items]      
Acquisition date Feb. 01, 2019    
Number of subsidiaries involved in acquisition | entity   2  
Payments to acquire business   $ 13,911  
Post-closing working capital adjustment payable   $ 2,286