Pension Plans (Narrative) (Details) - USD ($) $ in Thousands		12 Months Ended
		May. 31, 2016	Jun. 02, 2015	Jun. 03, 2014	May. 28, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Discount rate - projected benefit obligation			3.90%	3.90%	4.40%
Expected long-term return on plan assets, adjustment for investment expense			0.20%
Expected long-term return on assets calculation, rounding increment			0.0025
Expected long-term rate of return on plan assets			7.25%	7.25%	7.50%
Estimated future employer contribution to the defined beneift plan in fiscal year 2016			$ 2,000
Pension and other postretirement defined benefit plans, liabilities, noncurrent	[1]			$ 1,867
Deferred compensation			4,040	3,617
Pension Plans Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Employer contribution to defined contributions plans			343	313	$ 254
Highly Compensated Employees (HCEs) [Member] | Non-deferred Cash Balance Plane (NDCBP) [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Deferred compensation arrangement with individual, compensation expense			309	367	351
Deferred compensation (benefit) expense			(269)	40	18
Estimate total minimum required account balance for all participants			2,973
Chief Executive Officer [Member] | Non-deferred Cash Balance Plane (NDCBP) [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Estimate total minimum required account balance for all participants			1,651
Provision for additional annual contributions			$ 210	139	$ 137
Supplemental Executive Retirement Plan (SERP) [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Pension and other postretirement defined benefit plans, liabilities, noncurrent				$ 292
Forecast [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Expected long-term rate of return on plan assets		7.00%
Forecast [Member] | Supplemental Executive Retirement Plan (SERP) [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Pension and other postretirement defined benefit plans, liabilities, noncurrent		$ 319

[1] Current liability for Fiscal Year 2015 consists of the unfunded SERP. Fiscal Year 2014 non-current liability consists of $1,575 in underfunding of the DB plan plus $292 for the unfunded SERP.