Revolving Credit Facility	6 Months Ended
Oct. 30, 2011
Short-term Debt [Abstract]
Revolving Credit Facility [Text Block]	Revolving Credit Facility On October 2, 2009, the Company entered into an agreement with Wells Fargo Foothill, LLC to establish a four-year $70 million senior secured revolving credit facility. Borrowings under the credit facility bear interest at rates based on the prime rate and LIBOR plus variable margins, under which applicable interest rates currently range from 2.75% to 5.00% per annum. Borrowings are guaranteed by the Company's U.S. subsidiaries and secured by substantially all of the assets of the Company and its U.S. subsidiaries. The credit facility matures four years following the date of the agreement, subject to certain conditions. As of October 30, 2011, the availability of credit under the facility was reduced by $3.4 million for outstanding letters of credit secured under the agreement. Borrowing availability as of October 30, 2011 was $66.6 million, and there were no borrowings outstanding against the facility as of that date. The credit facility is subject to certain financial covenants. The Company was in compliance with all financial covenants associated with this facility as of October 30, 2011.

Revolving Credit Facility

On October 2, 2009, the Company entered into an agreement with Wells Fargo Foothill, LLC to establish a four-year $70 million senior secured revolving credit facility. Borrowings under the credit facility bear interest at rates based on the prime rate and LIBOR plus variable margins, under which applicable interest rates currently range from 2.75% to 5.00% per annum. Borrowings are guaranteed by the Company's U.S. subsidiaries and secured by substantially all of the assets of the Company and its U.S. subsidiaries. The credit facility matures four years following the date of the agreement, subject to certain conditions. As of October 30, 2011, the availability of credit under the facility was reduced by $3.4 million for outstanding letters of credit secured under the agreement. Borrowing availability as of October 30, 2011 was $66.6 million, and there were no borrowings outstanding against the facility as of that date.

The credit facility is subject to certain financial covenants. The Company was in compliance with all financial covenants associated with this facility as of October 30, 2011.