Note H - Income Taxes (Details Textual) - USD ($) $ in Thousands	6 Months Ended
	Dec. 30, 2016	Dec. 25, 2015
Effective Income Tax Rate Reconciliation, Percent	28.80%	36.80%
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount	$ 490
Income Tax Reconciliation Reduction In Effective Tax Rate	4.80%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 963
Foreign Tax Authority [Member] | Earliest Tax Year [Member]
Open Tax Year	2011
Foreign Tax Authority [Member] | Latest Tax Year [Member]
Open Tax Year	2016
State and Local Jurisdiction [Member] | Earliest Tax Year [Member] | Wisconsin Department of Revenue [Member]
Open Tax Year	2010
State and Local Jurisdiction [Member] | Latest Tax Year [Member] | Wisconsin Department of Revenue [Member]
Open Tax Year	2015