Note 9 - Stock-based Compensation (Tables)

12 Months Ended

Oct. 01, 2016

Notes Tables

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

	Year Ended
(In thousands)	October 1, 2016		October 3, 2015		September 27, 2014
Stock options:
Compensation expense	$	988	$	1,007	$	1,139

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

	Year Ended
	Octo ber 1 , 201 6			Octo ber 3 , 201 5			Septem ber 27 , 201 4
Expected term (in years)		5.45			5.72			5.08
Risk-free interest rate		1.30	%		2.18	%		0.38	%
Expected volatility		39.00	%		37.99	%		39.57	%
Expected dividend yield		0.48	%		0.61	%		0.60	%

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

				Exercise Price						Contractual Term -		Aggregate
				Per Share						Weighted		Intrinsic
(Share amounts in thousands)	Options Outstanding			Range				Weighted Average		Average (in years)		Value (in thousands)
Outstanding at September 28, 2013		918			$5.43	-	$20.27	$	12.65
Granted		136			19.08	-	20.50		19.80
Exercised		(183	)		5.43	-	20.27		10.42			$	1,789
Outstanding at September 27, 2014		871			6.89	-	20.50		14.23
Granted		134			18.05	-	21.96		19.89
Exercised		(27	)		6.89	-	11.15		9.17				328
Forfeited		(55	)		9.16	-	21.96		15.37
Outstanding at October 3, 2015		923			7.55	-	21.96		15.14
Granted		99			23.95	-	34.49		28.47
Exercised		(651	)		7.55	-	21.96		13.93				8,718
Outstanding at October 1, 2016		371			9.16	-	34.49		20.81		7.98		5,722
Vested and anticipated to vest in future at October 1, 2016		365							20.78		7.96		5,647
Exercisable at October 1, 2016		142							16.41		6.56		2,826

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

	Year Ended
(In thousands)	October 1, 2016		October 3, 2015		September 27, 2014
Restricted stock unit grants:
Units		57		62		64
Market value	$	1,516	$	1,253	$	1,252
Compensation expense		1,451		1,291		1,522

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		64			19.61
Released		(88	)		12.33
Balance, September 27, 2014		197			15.68
Granted		62			20.33
Forfeited		(13	)		17.52
Released		(89	)		12.86
Balance, October 3, 2015		157			18.96
Granted		57			26.57
Forfeited		(2	)		23.95
Released		(67	)		17.95
Balance, October 1, 2016		145			22.35