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Employee Benefit Plans - Plans with Accumulated Benefit Obligations in Excess of Plan Assets (Details) - USD ($)
$ in Thousands
Jan. 02, 2016
Jan. 03, 2015
Pension benefits    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Accumulated benefit obligation $ 0 $ 0
Fair value of plan assets 0 0
Other Benefits    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Accumulated benefit obligation 1,575 1,894
Fair value of plan assets $ 0 $ 0