XML 112 R106.htm IDEA: XBRL DOCUMENT v3.20.1
Employee Retirement Plans (Category of Plan Assets) (Details)
Mar. 31, 2020
Mar. 31, 2019
Defined Benefit Plan Disclosure [Line Items]    
Target Allocation 100.00%  
Percentage of Plan Assets 100.00% 100.00%
Domestic large cap equities    
Defined Benefit Plan Disclosure [Line Items]    
Target Allocation 16.00%  
Percentage of Plan Assets 16.00% 18.00%
Domestic small/mid cap equities    
Defined Benefit Plan Disclosure [Line Items]    
Target Allocation 6.00%  
Percentage of Plan Assets 5.00% 5.00%
International equities    
Defined Benefit Plan Disclosure [Line Items]    
Target Allocation 14.00%  
Percentage of Plan Assets 15.00% 15.00%
Real estate    
Defined Benefit Plan Disclosure [Line Items]    
Target Allocation 5.00%  
Percentage of Plan Assets 5.00% 0.00%
Fixed income and cash    
Defined Benefit Plan Disclosure [Line Items]    
Target Allocation 59.00%  
Percentage of Plan Assets 59.00% 62.00%