Stockholders' Equity and Stock Compensation Plans (Tables)

12 Months Ended

Oct. 02, 2016

Stockholders' Equity and Stock Compensation Plans

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

	Fiscal Year Ended
	October 2, 2016			September 27, 2015			September 28, 2014
	(in thousands)
Total stock-based compensation	$	12,964		$	10,926		$	10,374
Income tax benefit related to stock-based compensation		(4,656	)		(3,811	)		(3,696	)
Stock-based compensation, net of tax benefit	$	8,308		$	7,115		$	6,678

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 27, 2015		2,985		$	23.71
Granted		242			27.16
Exercised		(839	)		30.04
Forfeited		(21	)		23.59
Outstanding at October 2, 2016		2,367		$	24.88		4.04	$	25,068
Vested or expected to vest at October 2, 2016		2,320		$	24.88		3.99	$	24,579
Exercisable on October 2, 2016		1,776		$	24.10		3.04	$	20,197

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

	Fiscal Year Ended
	October 2, 2016	September 27, 2015	September 28, 2014
Dividend yield	1.2%	1.0%	–
Expected stock price volatility	36.1% – 38.8%	36.2% – 38.8%	36.1% – 38.8%
Risk-free rate of return, annual	1.6% – 1.8%	1.5% – 1.7%	1.3% – 1.5%

Schedule of restricted stock activity

	Number of Shares (in thousands)			Weighted- Average Grant Date Fair Value
Nonvested balance at September 27, 2015		104		$	27.15
Granted		14			28.58
Vested		(49	)		28.58
Forfeited		(34	)		24.26
Nonvested balance at October 2, 2016		35		$	28.58
Vested or expected to vest at October 2, 2016		35		$	28.58

Schedule of performance-based awards

	Number of Shares (in thousands)		Weighted- Average Grant Date Fair Value
Nonvested balance at September 27, 2015		139	$	31.66
Granted		138		31.63
Nonvested balance at October 2, 2016		277	$	31.65

Schedule of RSU activity

	Number of Shares (in thousands)			Weighted- Average Grant Date Fair Value
Nonvested balance at September 27, 2015		483		$	26.75
Granted		217			27.14
Vested		(180	)		26.03
Forfeited		(21	)		27.11
Nonvested balance at October 2, 2016		499		$	27.16

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

	Fiscal Year Ended
	October 2, 2016		September 27, 2015		September 28, 2014
	(in thousands, except for purchase price)
Shares purchased		209		243		245
Weighted-average purchase price	$	22.54	$	21.44	$	22.99
Cash received from exercise of purchase rights	$	4,707	$	5,204	$	5,604
Aggregate intrinsic value	$	710	$	1,277	$	1,221

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
	October 2, 2016			September 27, 2015			September 28, 2014
Dividend yield		1.3	%		1.1	%		–
Expected stock price volatility		23.7	%		23.7	%		29.2	%
Risk-free rate of return, annual		0.2	%		0.2	%		0.1	%
Expected life (in years)		1			1			1