XML 93 R78.htm IDEA: XBRL DOCUMENT v3.8.0.1
Employee Retirement and Profit Sharing Plans (Company's asset allocations by asset category) (Details)
Mar. 31, 2018
Mar. 25, 2017
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Actual Plan Asset Allocations 100.00% 100.00%
Cash and Cash Equivalents [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Actual Plan Asset Allocations 1.30% 1.70%
Fixed Income [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Actual Plan Asset Allocations 39.30% 39.70%
Equity Securities [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Actual Plan Asset Allocations 59.40% 58.60%