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Employee Benefit Plans (Details) - USD ($)
$ in Thousands
 7 Months Ended 12 Months Ended
Dec. 31, 2015
May. 28, 2015
May. 29, 2014
Change in benefit obligation:      
Benefit obligation at beginning of year $ 31,037 $ 28,776 $ 26,439
Service cost 459 697 702
Interest cost 765 1,243 1,173
Actuarial loss 104 1,472 1,567
Benefits paid (694) (1,151) (1,105)
Benefit obligation at end of year 31,671 31,037 28,776
Amounts recognized in the statement of financial position consist of:      
Current accrued benefit liability (included in Other accrued liabilities) (1,191) (1,196) (1,124)
Noncurrent accrued benefit liability (included in Deferred compensation and other) (30,480) (29,841) (27,652)
Total (31,671) (31,037) (28,776)
Amounts recognized in accumulated other comprehensive loss consist of:      
Net actuarial loss 9,410 9,562 8,494
Prior service credit (711) (756) (834)
Total $ 8,699 $ 8,806 $ 7,660