Income Taxes (Details) - USD ($) $ in Thousands	Aug. 29, 2015	May. 30, 2015
Income Tax Contingency [Line Items]
Unrecognized tax benefits that would impact the effective tax rate if recognized	$ 2,859
Accrued for the payment of interest and penalties	317
Reductions for lapse of statue of limitations / settlements	(250)
Capital loss carryforwards	$ 26,685
Federal [Member]
Income Tax Contingency [Line Items]
Operating loss carryforwards		$ 70,220
Stanadyne [Member]
Income Tax Contingency [Line Items]
General business tax credit carryforward		$ 2,365