Note 9 - Earnings Per Share (Detail) - Basic and Diluted Earnings Per Share Attributable to Common Shareholders (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012
Net earnings available to common shareholders (in Dollars)	$ 3,714	$ 262	$ 6,116	$ 82
Basic weighted average shares outstanding	17,846	17,649	17,785	17,630
Dilutive effect of stock-based compensation	440	389	402	356
Diluted weighted average shares outstanding	18,286	18,038	18,187	17,986
Net earnings (in Dollars per share)	$ 0.21	$ 0.01	$ 0.34	$ 0
Net earnings (in Dollars per share)	$ 0.20	$ 0.01	$ 0.34	$ 0