Debt	3 Months Ended
Aug. 31, 2013
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	DEBT During the second quarter of fiscal 2012, the company entered into an amendment and restatement of the syndicated revolving line of credit, which provides the company with up to $150 million in revolving variable interest borrowing capacity and includes an "accordion feature" allowing the company to increase, at its option and subject to the approval of the participating banks, the aggregate borrowing capacity of the facility by $75 million. The facility expires in November 2016 and outstanding borrowings bear interest at rates based on the prime rate, federal funds rate, LIBOR, or negotiated rates as outlined in the agreement. Interest is payable periodically throughout the period if borrowings are outstanding. As of August 31, 2013 and June 1, 2013, total usage against this facility was $7.3 million and $7.7 million, respectively, all of which related to outstanding letters of credit. During the second quarter of fiscal 2013, the company entered into a revolving line of credit, which provides the company with approximately $5.0 million in revolving variable interest borrowing capacity. The company intends to utilize the revolver, which is denominated in Chinese Renminbi, to meet working capital cash flow needs at its Ningbo, China operations. The uncommitted facility is subject to changes in bank approval and outstanding borrowings bear interest at rates based on a benchmark lending rate. Each draw on the line of credit is subject to a maximum period of one year, and corresponding interest is payable on the maturity date of each draw. As of August 31, 2013, there were no borrowings against this facility. Subsequent to the end of the first quarter of fiscal 2014, the company entered into a revolving line of credit, which provides the company with approximately $5.0 million in revolving variable interest borrowing capacity. The company intends to utilize the revolver, which is denominated in Chinese Renminbi, to meet working capital cash flow needs at its South China operations. The uncommitted facility is subject to changes in bank approval and outstanding borrowings bear interest at rates based on a benchmark lending rate.

DEBT

During the second quarter of fiscal 2012, the company entered into an amendment and restatement of the syndicated revolving line of credit, which provides the company with up to $150 million in revolving variable interest borrowing capacity and includes an "accordion feature" allowing the company to increase, at its option and subject to the approval of the participating banks, the aggregate borrowing capacity of the facility by $75 million. The facility expires in November 2016 and outstanding borrowings bear interest at rates based on the prime rate, federal funds rate, LIBOR, or negotiated rates as outlined in the agreement. Interest is payable periodically throughout the period if borrowings are outstanding. As of August 31, 2013 and June 1, 2013, total usage against this facility was $7.3 million and $7.7 million, respectively, all of which related to outstanding letters of credit.

During the second quarter of fiscal 2013, the company entered into a revolving line of credit, which provides the company with approximately $5.0 million in revolving variable interest borrowing capacity. The company intends to utilize the revolver, which is denominated in Chinese Renminbi, to meet working capital cash flow needs at its Ningbo, China operations. The uncommitted facility is subject to changes in bank approval and outstanding borrowings bear interest at rates based on a benchmark lending rate. Each draw on the line of credit is subject to a maximum period of one year, and corresponding interest is payable on the maturity date of each draw. As of August 31, 2013, there were no borrowings against this facility.

Subsequent to the end of the first quarter of fiscal 2014, the company entered into a revolving line of credit, which provides the company with approximately $5.0 million in revolving variable interest borrowing capacity. The company intends to utilize the revolver, which is denominated in Chinese Renminbi, to meet working capital cash flow needs at its South China operations. The uncommitted facility is subject to changes in bank approval and outstanding borrowings bear interest at rates based on a benchmark lending rate.