Note 4 - Restructuring Charges and Acquisition Costs (Detail) (USD $)	9 Months Ended
	Jul. 02, 2011	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Oct. 01, 2011	Apr. 02, 2011	Jan. 01, 2011	Oct. 02, 2010
Restructuring Liabilites Satisfied		During the nine-month period ended June 30, 2012, all of the remaining restructuring liabilities were satisfied and the final proceeds were received from the sale of previously impaired machinery and equipment, which have been included in asset impairment charges
Restructuring Reserve	$ 556,000	$ 0	$ 162,000	$ 167,000	$ 254,000	$ 758,000	$ 1,127,000	$ 0
Accounts Payable, Current		32,226,000			38,607,000
Accrued Liabilities, Current		5,867,000			7,377,000
Business Combination, Acquisition Related Costs	3,518,000
Restructuring [Member]
Accounts Payable, Current	59,000
Accrued Liabilities, Current	$ 497,000