Note 4 (Details) - Calculation of EPS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014
Basic EPS
Income (Numerator) (in Dollars)	$ 14,637	$ 13,521	$ 25,893	$ 25,947
Shares (Denominator)	18,689	18,693	18,679	18,686
Per Share Amount (in Dollars per share)	$ 0.78	$ 0.72	$ 1.39	$ 1.39
Effect of Dilutive Securities
Income (Numerator)	132	126	132	120
Shares (Denominator) (in Dollars per share)			$ (0.01)	$ (0.01)
Diluted EPS
Income (Numerator) (in Dollars)	$ 14,637	$ 13,521	$ 25,893	$ 25,947
Shares (Denominator)	18,821	18,819	18,811	18,806
Per Share Amount (in Dollars per share)	$ 0.78	$ 0.72	$ 1.38	$ 1.38