Stock-Based Compensation (Details) (USD $)	12 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Weighted Average Grant Date Fair Value [Abstract]
Percentage of the lower of the market price at which employee can purchase company stock (in hundredths)	85.00%
Minimum period to hold employee purchased company stock (in months)	18M
Period of payroll deductions for funding of employee purchases of company stock (in months)	6M
Stock-Based Compensation [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock plans	2
Shares available for future grant under the stock plans (in shares)	870,717
Stock-based compensation expense [Abstract]
Stock-based compensation expense	$ 2,704,000	$ 2,385,000	$ 3,332,000
Amounts capitalized as inventory	(652,000)	(639,000)	(775,000)
Amounts recognized in income for amounts previously capitalized as inventory	649,000	702,000	827,000
Total stock-based compensation included in income from operations	2,701,000	2,448,000	3,384,000
Income tax benefit on stock-based compensation	(931,000)	(828,000)	(1,091,000)
Net compensation expense included in net income	1,770,000	1,620,000	2,293,000
Stock-Based Compensation [Member] | Employee Stock Purchase Plan [Member]
Stock-based compensation expense [Abstract]
Stock-based compensation expense	159,000	175,000	242,000
Weighted Average Grant Date Fair Value [Abstract]
Number of employee stock purchased issued (in shares)	24,028	33,249	36,333
Weighted average share price (in dollars per share)	$ 27.72	$ 20.82	$ 19.75
Number of shares remaining for issuance under the employee stock purchase plan (in shares)	420,631
Number of shares available under the employee stock purchase plan (in shares)	750,000
Stock-Based Compensation [Member] | Restricted Stock Grants and Units [Member]
Stock-based compensation expense [Abstract]
Stock-based compensation expense	1,162,000	691,000	612,000
Stock-Based Compensation [Member] | Employee Stock Options [Member]
Stock-based compensation expense [Abstract]
Stock-based compensation expense	1,383,000	1,519,000	2,478,000
Stock expense related to non-vested awards not yet recognized	3,100,000
Stock expense related to non-vested awards expected to be recognized over a weighted average period (in years)	1.4
Weighted average per share fair value of stock options granted (in dollars per shares)	$ 9.45	$ 6.73	$ 4.71
Weighted average assumptions used to determine fair value of stock options granted [Abstract]
Expected life (in years)	3.0	2.9	2.7
Risk-free interest rate (in hundredths)	0.80%	1.00%	1.40%
Expected volatility (in hundredths)	35.40%	40.00%	41.40%
Dividend yield (in hundredths)	1.80%	2.10%	2.90%
Vesting period of options granted, minimum	1Y
Vesting period of options granted, maximum	3Y
Expiry period of options granted	5Y
Stock Options [Roll Forward]
Beginning balance (in shares)	1,329,000	1,492,000	1,572,000
Granted (in shares)	292,000	252,000	273,000
Exercised or vested (in shares)	(332,000)	(16,000)	(40,000)
Forfeited or expired (in shares)	(241,000)	(399,000)	(313,000)
Ending balance (in shares)	1,048,000	1,329,000	1,492,000
Options eligible for exercise at year-end	653,000	811,000	892,000
Weighted Average Exercise Price [Abstract]
Beginning balance (in dollars per share)	$ 34.53	$ 35.56	$ 37.59
Granted (in dollars per share)	$ 43.61	$ 28.62	$ 20.60
Exercised or vested (in dollars per share)	$ 36.80	$ 20.55	$ 22.40
Forfeited or expired (in dollars per share)	$ 36.91	$ 35.20	$ 34.36
Ending balance (in dollars per share)	$ 35.80	$ 34.53	$ 35.56
Options eligible for exercise at year-end (in dollars per share)	$ 36.13	$ 38.93	$ 38.90
Weighted average remaining contractual term of options outstanding (in years)	2.4
Aggregate intrinsic value of options outstanding	2,100,000
Weighted average remaining contractual term of options eligible for exercise (in years)	1.4
Aggregate intrinsic value of options eligible for exercise	1,200,000
Total intrinsic value of stock options exercised	2,300,000	100,000	100,000
Stock-Based Compensation [Member] | Restricted Stock Unit [Member] | Restricted Stock Grants and Units [Member]
Stock-based compensation expense [Abstract]
Stock expense related to non-vested awards not yet recognized	1,100,000
Stock expense related to non-vested awards expected to be recognized over a weighted average period (in years)	1.4
Weighted average assumptions used to determine fair value of stock options granted [Abstract]
Vesting period of options granted, maximum	3Y
Restricted Stock and Restricted Stock Units [Roll Forward]
Unvested shares at beginning of year (in shares)	59,000	38,000	0
Granted (in shares)	18,000	37,000	39,000
Vested (in shares)	(22,000)	(12,000)	0
Forfeited (in shares)	(18,000)	(4,000)	(1,000)
Unvested shares at end of year (in shares)	37,000	59,000	38,000
Weighted Average Grant Date Fair Value [Abstract]
Outstanding shares at beginning of year (in dollars per share)	$ 25.51	$ 20.55	$ 0
Granted (in dollars per share)	$ 42.50	$ 28.62	$ 20.55
Vested (in dollars per share)	$ 24.71	$ 20.55	$ 0
Forfeited (in dollars per share)	$ 27.50	$ 21.61	$ 20.55
Outstanding shares at end of year (in dollars per share)	$ 33.37	$ 25.51	$ 20.55
Stock-Based Compensation [Member] | Restricted Stock Grant [Member] | Restricted Stock Grants and Units [Member]
Stock-based compensation expense [Abstract]
Stock expense related to non-vested awards not yet recognized	$ 300,000
Stock expense related to non-vested awards expected to be recognized over a weighted average period (in years)	0.9
Weighted average assumptions used to determine fair value of stock options granted [Abstract]
Vesting period of options granted, maximum	3Y
Restricted Stock and Restricted Stock Units [Roll Forward]
Unvested shares at beginning of year (in shares)	29,000	36,000	20,000
Granted (in shares)	13,000	20,000	29,000
Vested (in shares)	(12,000)	(10,000)	(10,000)
Forfeited (in shares)	0	(17,000)	(3,000)
Unvested shares at end of year (in shares)	30,000	29,000	36,000
Weighted Average Grant Date Fair Value [Abstract]
Outstanding shares at beginning of year (in dollars per share)	$ 27.18	$ 28.72	$ 39.29
Granted (in dollars per share)	$ 42.89	$ 26.47	$ 24.76
Vested (in dollars per share)	$ 28.32	$ 33.71	$ 38.99
Forfeited (in dollars per share)	$ 0	$ 25.85	$ 26.91
Outstanding shares at end of year (in dollars per share)	$ 33.61	$ 27.18	$ 28.72