XML 25 R46.htm IDEA: XBRL DOCUMENT v3.19.3
Balance Sheet Components - Property, Plant and Equipment (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Oct. 26, 2019
Oct. 27, 2018
Oct. 26, 2019
Oct. 27, 2018
Apr. 27, 2019
Property, Plant and Equipment, Net [Abstract]          
Total Property, Plant and Equipment, Gross $ 491.5   $ 491.5   $ 475.6
Less: Accumulated Depreciation 293.4   293.4   283.7
Property, Plant and Equipment, Net 198.1   198.1   191.9
Depreciation 7.2 $ 6.3 14.2 $ 12.8  
Capital expenditures recorded in accounts payable     1.5   6.4
Land          
Property, Plant and Equipment, Net [Abstract]          
Total Property, Plant and Equipment, Gross 3.4   3.4   3.7
Buildings and Building Improvements          
Property, Plant and Equipment, Net [Abstract]          
Total Property, Plant and Equipment, Gross 83.9   $ 83.9   81.2
Buildings and Building Improvements | Minimum          
Property, Plant and Equipment [Line Items]          
Property, plant and equipment, useful life     5 years    
Buildings and Building Improvements | Maximum          
Property, Plant and Equipment [Line Items]          
Property, plant and equipment, useful life     40 years    
Machinery and Equipment          
Property, Plant and Equipment, Net [Abstract]          
Total Property, Plant and Equipment, Gross $ 404.2   $ 404.2   $ 390.7
Machinery and Equipment | Minimum          
Property, Plant and Equipment [Line Items]          
Property, plant and equipment, useful life     3 years    
Machinery and Equipment | Maximum          
Property, Plant and Equipment [Line Items]          
Property, plant and equipment, useful life     15 years