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Stock-Based Compensation (Tables)

6 Months Ended

Apr. 30, 2016

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summarized Activity Related to Stock Options

The following table summarizes activity related to stock options for the six months ended April 30, 2016:

		Number of Options				Weighted-Average Exercise Price Per Share				Aggregate Intrinsic Value				Weighted Average Remaining Term
Outstanding at October 31, 2015			1,759			$	50.74
Granted			490			$	70.91
Exercised			(84	)		$	34.40
Forfeited or expired			(32	)		$	68.99
Outstanding at April 30, 2016			2,133			$	55.75			$	45,595			6.5 years
Vested or expected to vest at April 30, 2016			2,103			$	55.51			$	45,453			6.5 years
Exercisable at April 30, 2016			1,245			$	43.80			$	41,202			4.9 years

Fair Value Assumptions of Stock Options

The fair value of each option grant was estimated at the date of grant using the Black-Scholes option-pricing model with the following assumptions:

Three months ended		April 30, 2016				April 30, 2015
Expected volatility		29.1%-30.4%				31.6%-39.5%
Expected dividend yield			1.54%				1.10%
Risk-free interest rate		1.78%-1.90%				1.70%-1.85%
Expected life of the option (in years)		5.4-6.2				5.4-6.1

Summarized Activity Related to Restricted Stock

The following table summarizes activity related to restricted shares during the six months ended April 30, 2016:

		Number of Shares				Weighted-Average Grant Date Fair Value
Restricted shares at October 31, 2015			53			$	73.23
Granted			30			$	70.80
Vested			(23	)		$	69.17
Restricted shares at April 30, 2016			60			$	73.56

Summarized Activity Related to Restricted Stock Units

The following table summarizes activity related to restricted share units during the six months ended April 30, 2016:

		Number of Units				Weighted-Average Grant Date Fair Value
Restricted share units at October 31, 2015			0			$	—
Granted			13			$	72.01
Restricted share units at April 30, 2016			13			$	72.01

Summarized Activity Related to Director Deferred Compensation Shares

The following table summarizes activity related to director deferred compensation share equivalent units during the six months ended April 30, 2016:

		Number of Shares				Weighted-Average Grant Date Fair Value
Outstanding at October 31, 2015			100			$	36.76
Deferrals			1			$	67.61
Dividend equivalents			1			$	67.53
Distributions			(6	)		$	26.16
Outstanding at April 30, 2016			96			$	37.73

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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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