Note 4 - Stock-Based Compensation (Tables)

6 Months Ended

Mar. 29, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

	Three Months Ended						Six Months Ended
(In thousands)	March 29, 2014			March 30, 2013			March 29, 2014			March 30, 2013
Stock options:
Compensation expense	$	358		$	347		$	523		$	486
Excess tax benefits		(105	)		(295	)		(191	)		(331	)

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Six Months Ended
	March 29, 2014			March 30, 2013
Risk-free interest rate		1.56	%		1.25	%
Dividend yield		0.62	%		0.74	%
Expected volatility		41.46	%		48.15	%
Expected term (in years)		4.94			6.47

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Options			Exercise Price Per Share							Contractual Term -		Aggregate Intrinsic
	Outstanding								Weighted		Weighted		Value
	(in thousands)			Range					Average		Average (years)		(in thousands)
Outstanding at September 28, 2013		918		$	5.43	-	$	20.27	$	12.65
Granted		67			19.08	-		19.08		19.08
Exercised		(90	)		6.89	-		13.06		10.58			$	804
Outstanding at March 29, 2014		895			5.43	-		20.27		13.34		6.02		5,318
Vested and anticipated to vest in the future at March 29, 2014		893								13.33		6.01		5,310
Exercisable at March 29, 2014		604								12.53		4.64		4,095

Schedule of RSU Grants And Compensation Expense [Table Text Block]

	Three Months Ended				Six Months Ended
(In thousands)	March 29, 2014		March 30, 2013		March 29, 2014		March 30, 2013
Restricted stock unit grants:
Units		40		43		40		43
Market value	$	763	$	703	$	763	$	703
Compensation expense		462		433		705		607

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

(Unit amounts in thousands)	Restricted Stock Units Outstanding			Weighted Average Grant Date Fair Value
Balance, September 28, 2013		221		$	13.20
Granted		40			19.08
Released		(49	)		13.63
Balance, March 29, 2014		212		$	14.21