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Note 6 - Stock-based Compensation (Tables)

6 Months Ended

Apr. 01, 2017

Notes Tables

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
		April 1,				April 2,				April 1,				April 2,
(In thousands)		2017				2016				2017				2016
Compensation expense		$	411			$	383			$	507			$	466

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

		Six Months Ended
		April 1,				April 2,
		2017				2016
Risk-free interest rate			2.03	%			1.39	%
Dividend yield			0.33	%			0.53	%
Expected volatility			38.79	%			39.23	%
Expected term (in years)			5.12				5.75

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

														Contractual Term -				Aggregate
		Options				Exercise Price Per Share								Weighted				Intrinsic
		Outstanding								Weighted				Average				Value
		(in thousands)				Range				Average				(in years)				(in thousands)
Outstanding at October 1, 2016			371			$9.16	-	$34.49		$	20.81
Granted			36			37.06	-	37.06			37.06
Exercised			(67	)		9.16	-	23.95			19.05							$	1,212
Outstanding at April 1, 2017			340			9.16	-	37.06			22.88				7.80				4,536
Vested and anticipated to vest in the future at April 1, 2017			335								22.84				7.79				4,493
Exercisable at April 1, 2017			135								17.37				6.31				2,530

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

		Three Months Ended								Six Months Ended
		April 1,				April 2,				April 1,				April 2,
(In thousands)		2017				2016				2017				2016
Restricted stock unit grants:
Units			19				43				19				43
Market value		$	690			$	1,027			$	690			$	1,027
Compensation expense			465				664				626				810

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

						Weighted
		Restricted				Average
		Stock Units				Grant Date
(Unit amounts in thousands)		Outstanding				Fair Value
Balance, October 1, 2016			145			$	22.35
Granted			19				37.06
Released			(31	)			20.39
Balance, April 1, 2017			133				24.88

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