STOCK-BASED COMPENSATION PLANS (Tables)

12 Months Ended

Oct. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of compensation costs related to stock-based awards

The compensation costs related to stock-based awards were as follows (in thousands):

Fiscal Years Ended October 31	2018		2017		2016
Stock option awards	$	5,006	$	5,496	$	4,606
Restricted stock units	2,997		2,300		1,891
Performance share awards	3,628		5,183		3,676
Unrestricted common stock awards	530		538		464
Total compensation cost for stock-based awards	$	12,161	$	13,517	$	10,637
Related tax benefit from stock-based awards	$	2,905	$	5,001	$	3,936

Schedule of stock options activity

The table below presents stock option activity for fiscal 2018:

	Stock Option Awards		Weighted-Average Exercise Price		Weighted-Average Contractual Life (years)	Aggregate Intrinsic Value (in thousands)
Outstanding as of October 31, 2017	4,459,695		$	26.22	5.3	$	163,369
Granted	430,914		65.61
Exercised	(1,138,340	)	15.10
Canceled/forfeited	(13,665	)	62.64
Outstanding as of October 31, 2018	3,738,604		$	34.01	5.0	$	87,470
Exercisable as of October 31, 2018	2,736,364		$	25.86	4.0	$	83,428

Schedule of total market value and the intrinsic value of options exercised

The table below presents the total market value of stock options exercised and the total intrinsic value of options exercised during the following fiscal years (in thousands):

Fiscal Years Ended October 31	2018		2017		2016
Market value of stock options exercised	$	70,775	$	58,976	$	61,468
Intrinsic value of options exercised1	$	53,778	$	48,017	$	41,365

¹  Intrinsic value is calculated as amount by which the stock price at exercise date exceeded the option exercise price.

Schedule of weighted-average valuation assumptions of stock-based compensation

The table below illustrates the weighted-average valuation assumptions for options granted in the following fiscal periods:

Fiscal Years Ended October 31	2018			2017			2016
Expected life of option in years	6.04			6.02			5.97
Expected stock price volatility	20.58		%	22.15		%	24.04		%
Risk-free interest rate	2.21		%	2.03		%	1.80		%
Expected dividend yield	0.97		%	1.01		%	1.24		%
Per share weighted-average fair value at date of grant	$	14.25		$	12.55		$	8.79

Schedule of restricted stock and restricted stock unit awards granted

Factors related to the company's restricted stock unit awards are as follows (in thousands, except per award data):

Fiscal Years Ended October 31	2018		2017		2016
Weighted-average per award fair value at date of grant	$	63.24	$	66.09	$	41.83
Fair value of restricted stock units vested	$	4,888	$	3,604	$	2,681

Schedule of unvested restricted stock shares and the weighted average fair value at the date of grant

The table below summarizes the activity during fiscal 2018 for unvested restricted stock units:

	Restricted Stock Units		Weighted-Average Fair Value at Date of Grant
Unvested as of October 31, 2017	124,272		$	45.66
Granted	55,652		63.24
Vested	(77,826	)	40.71
Forfeited	(2,544	)	51.37
Unvested as of October 31, 2018	99,554		$	59.15

Schedule of performance share awards granted

Factors related to the company's performance share awards are as follows (in thousands, except per award data):

Fiscal Years Ended October 31	2018		2017		2016
Weighted-average per award fair value at date of grant	$	65.40	$	54.52	$	38.89
Fair value of performance share awards vested	$	8,419	$	7,018	$	7,454

Schedule of unvested performance share awards and the weighted average fair value at the date of grant

The table below summarizes the activity during fiscal 2018 for unvested performance share awards:

	Performance Shares		Weighted-Average Fair Value at Date of Grant
Unvested as of October 31, 2017	282,151		$	40.71
Granted	60,800		65.40
Vested	(103,235	)	32.84
Canceled/forfeited	(18,324	)	43.14
Unvested as of October 31, 2018	221,392		$	50.96