Award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale.

No definition available.

Stock-Based Compensation (Details)	3 Months Ended						9 Months Ended		12 Months Ended
Stock-Based Compensation (Details)	Jul. 31, 2015 shares	May. 01, 2015 shares	Jan. 30, 2015 $ / shares	Aug. 01, 2014 shares	May. 02, 2014 shares	Jan. 31, 2014 $ / shares	Jul. 31, 2015 $ / shares shares	Aug. 01, 2014 $ / shares	Oct. 31, 2014 $ / shares
Stock Option Awards
Valuation assumptions of stock-based compensation
Expected life of option in years							5 years 11 months 9 days		6 years
Expected stock price volatility (as a percent)							29.67%		34.29%
Risk-free interest rate (as a percent)							1.61%		1.92%
Expected dividend yield (as a percent)							1.29%		1.25%
Grant date per share weighted-average fair value (in dollars per share)							$ 16.81		$ 18.69
Stock Option Awards \| Executive officers
Stock-Based Compensation
Frequency of grants							On an annual basis in the first quarter of the company's fiscal year
Portion of stock-based award that generally vest per year for employees and non-employee directors							0.333
Award vesting period							3 years
Term of award							10 years
Stock Option Awards \| Other employees
Stock-Based Compensation
Frequency of grants							On an annual basis in the first quarter of the company's fiscal year
Portion of stock-based award that generally vest per year for employees and non-employee directors							0.333
Award vesting period							3 years
Term of award							10 years
Stock Option Awards \| Non-employee directors
Stock-Based Compensation
Frequency of grants							On an annual basis in the first quarter of the company's fiscal year
Portion of stock-based award that generally vest per year for employees and non-employee directors							0.333
Award vesting period							3 years
Term of award							10 years
Requisite service period for non-employee director based upon which fair value of options granted is expensed on the date of grant							10 years
Stock Option Awards \| Non-officer employees
Stock-Based Compensation
Award vesting period							3 years
Term of award							10 years
Performance Share Awards
Stock-Based Compensation
Frequency of grants							On an annual basis in the first quarter of the company's fiscal year
Award vesting period							3 years
Valuation assumptions of stock-based compensation
Grant date per share weighted-average fair value (in dollars per share)			$ 65.68			$ 60.19
Granted (in shares) \| shares	0	0		0	0
Performance goal period							3 years
Maximum increase in the number of shares of common stock a participant receives based on the achievement of performance goals (as a percent)							200.00%
Potential lowest number of shares of common stock that could be received based on the achievement level of performance goals \| shares							0
Restricted Stock and Restricted Stock Unit Awards
Stock-Based Compensation
Portion of stock-based award that generally vest per year for employees and non-employee directors							0.333
Award vesting period							3 years
Valuation assumptions of stock-based compensation
Grant date per share weighted-average fair value (in dollars per share)							$ 66.10	$ 63.09