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