Stockholders' Equity and Stock Compensation Plans (Tables)

12 Months Ended

Sep. 27, 2015

Stockholders' Equity and Stock Compensation Plans

Schedule of the stock-based compensation and related income tax benefits

	Fiscal Year Ended
	September 27, 2015			September 28, 2014			September 29, 2013
	(in thousands)
Total stock-based compensation	$	10,926		$	10,374		$	8,775
Income tax benefit related to stock-based compensation		(3,811	)		(3,696	)		(3,048	)
Stock-based compensation, net of tax benefit	$	7,115		$	6,678		$	5,727

Schedule of stock option activity

	Number of Options (in thousands)			Weighted- Average Exercise Price per Share		Weighted- Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in thousands)
Outstanding on September 28, 2014		3,383		$	23.14
Granted		266			27.26
Exercised		(501	)		26.12
Forfeited		(163	)		24.41
Outstanding at September 27, 2015		2,985		$	23.71		3.64	$	5,656
Vested or expected to vest at September 27, 2015		2,920		$	23.71		3.58	$	5,565
Exercisable on September 27, 2015		2,336		$	22.93		2.91	$	5,371

Schedule of assumptions used in the calculation of the fair value of stock options using the Black-Scholes option pricing model

	Fiscal Year Ended
	September 27, 2015		September 28, 2014		September 29, 2013
Dividend yield		1.0%		–		–
Expected stock price volatility		36.2% - 38.8%		36.1% - 38.8%		41.7% - 42.2%
Risk-free rate of return, annual		1.5% - 1.7%		1.3% - 1.5%		0.6% - 1.3%

Schedule of restricted stock activity

	Number of Shares (in thousands)			Weighted- Average Grant Date Fair Value
Nonvested balance at September 28, 2014		223		$	26.26
Granted		–			–
Vested		(55	)		28.58
Forfeited		(64	)		22.87
Nonvested balance at September 27, 2015		104		$	27.15
Vested or expected to vest at September 27, 2015		104		$	27.15

Schedule of RSU activity

	Number of Shares (in thousands)			Weighted- Average Grant Date Fair Value
Nonvested balance at September 28, 2014		432		$	26.09
Granted		235			27.21
Vested		(141	)		25.64
Forfeited		(43	)		26.33
Nonvested balance at September 27, 2015		483		$	26.75

Summary of shares purchased, weighted-average purchase price, cash received, and the aggregate intrinsic value for shares purchased under the ESPP

	Fiscal Year Ended
	September 27, 2015		September 28, 2014		September 29, 2013
	(in thousands, except for purchase price)
Shares purchased		243		245		253
Weighted-average purchase price	$	21.44	$	22.99	$	21.96
Cash received from exercise of purchase rights	$	5,204	$	5,604	$	5,551
Aggregate intrinsic value	$	1,277	$	1,221	$	1,140

Schedule of the assumptions used in the Black-Scholes option pricing model in estimating the grant date fair value of each award granted under the ESPP

	Fiscal Year Ended
	September 27, 2015			September 28, 2014			September 29, 2013
Dividend yield		1.1	%		–			–
Expected stock price volatility		23.7	%		29.2	%		27.1	%
Risk-free rate of return, annual		0.2	%		0.1	%		0.1	%
Expected life (in years)		1			1			1