XML 91 R75.htm IDEA: XBRL DOCUMENT v3.10.0.1
Benefit Plans (Plan Assets Components) (Details) - USD ($)
$ in Thousands
Dec. 28, 2018
Dec. 29, 2017
Dec. 30, 2016
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 946 $ 1,358 $ 1,172
Insurance Contract [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 946 1,358  
Insurance Contract [Member] | Fair Value, Inputs, Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Insurance Contract [Member] | Fair Value, Inputs, Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 946 1,358  
Insurance Contract [Member] | Fair Value, Inputs, Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 0 $ 0