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Nature of Business and Significant Accounting Policies -PP&E (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 28, 2021
Mar. 29, 2020
Mar. 31, 2019
Property, Plant and Equipment [Line Items]      
Asset Impairment Charges $ 200 $ 600  
Depreciation $ 16,800 $ 16,500 $ 16,300
Building and Building Improvements [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, estimated useful lives 10 years    
Building and Building Improvements [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, estimated useful lives 40 years    
Machinery and Equipment [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, estimated useful lives 3 years    
Machinery and Equipment [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, estimated useful lives 20 years    
Transportation Equipment [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, estimated useful lives 3 years    
Transportation Equipment [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, estimated useful lives 10 years    
Office Equipment [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, estimated useful lives 3 years    
Office Equipment [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, estimated useful lives 10 years