Stock-Based Benefit Plans (Tables)

9 Months Ended

Jul. 31, 2014

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

Stock-based compensation expense recognized

Information regarding the amount of total stock-based compensation expense and tax benefit recognized by us, for the periods indicated, is as follows (amounts in thousands):

	Nine months ended July 31,				Three months ended July 31,
	2014		2013		2014		2013
Total stock-based compensation expense recognized	$	16,985	$	14,449	$	4,691	$	4,422
Income tax benefit recognized	$	6,388	$	5,283	$	1,769	$	1,617

Weighted-average assumptions and the fair value used for stock option grants

The weighted-average assumptions and the fair value used for stock option grants in fiscal 2014 and 2013 were as follows:

	2014	2013
Expected volatility	36.44% - 44.71%	44.04% - 48.13%
Weighted-average volatility	42.71%	46.70%
Risk-free interest rate	1.45% - 2.71%	0.64% - 1.56%
Expected life (years)	4.55 - 9.02	4.48 - 8.88
Dividends	none	none
Weighted-average grant date fair value per share of options granted	$14.26	$13.05

Stock based compensation expense recognized for stock options [Table Text Block]

Stock compensation expense, related to stock options, for the periods indicated, was as follows (amounts in thousands):

	2014		2013
Nine months ended July 31,	$	7,335	$	6,276
Three months ended July 31,	$	1,675	$	1,442

Performance-based restricted stock units

We evaluate the performance goals quarterly and estimate the number of shares underlying the Performance-Based RSUs that are probable of being issued. Information regarding the issuance, valuation assumptions and amortization of the Performance-Based RSUs issued in the nine-month periods ended July 31, 2014 and 2013 is provided below.

	2014		2013
Number of shares underlying Performance-Based RSUs to be issued	287,817		302,511
Closing price of our common stock on Valuation Date	$	35.16	$	37.78
Aggregate fair value of Performance-Based RSUs issued (in thousands)	$	10,120	$	11,429
Performance-Based RSU expense recognized in the nine months ended July 31, (in thousands)	$	6,886	$	4,662
Performance-Based RSU expense recognized in the three months ended July 31, (in thousands)	$	2,433	$	2,074

Note: The fiscal 2014 number of shares underlying Performance-Based RSUs to be issued and their aggregate fair value is estimated.

Information regarding the aggregate number of outstanding Performance-Based RSUs and the aggregate unamortized value of the outstanding Performance-Based RSUs, as of the date indicated, is provided below.

	July 31, 2014		October 31, 2013
Aggregate outstanding Performance-Based RSUs	960,505		672,687
Cumulative unamortized value of Performance-Based RSUs (in thousands)	$	11,353	$	8,120

Stock price-based restricted stock units

Information regarding the amortization of our Stock Price-Based RSUs, for the periods indicated, is provided below (amounts in thousands):

	2014		2013
Nine months ended July 31,	$	231	$	1,395
Three months ended July 31,	$	—	$	416

Information regarding the aggregate number of outstanding Stock Price-Based RSUs and aggregate unamortized value of the outstanding Stock Price-Based RSUs, as of the date indicated, is provided below:

	July 31, 2014		October 31, 2013
Aggregate outstanding Stock Price-Based RSUs	—		306,000
Cumulative unamortized value of Stock Price-Based RSUs (in thousands)	$	—	$	231

Non-performance based restricted stock units

Information regarding these RSUs issued in the nine months ended July 31, 2014 and 2013 is as follows:

	2014		2013
Number of RSUs issued	99,336		94,080
Closing price of our common stock on date of issuance	$	35.16	$	32.22
Aggregate fair value of RSUs issued (in thousands)	$	3,493	$	3,031

Information regarding the amortization of the RSUs, for the periods indicated, is as follows (amounts in thousands):

	2014		2013
Nine months ended July 31,	$	2,459	$	2,048
Three months ended July 31,	$	557	$	464

Information regarding the aggregate number of outstanding RSUs and aggregate unamortized value of the outstanding RSUs, as of the date indicated, is as follows:

	July 31, 2014		October 31, 2013
Aggregate outstanding RSUs	305,186		225,252
Cumulative unamortized value of RSUs (in thousands)	$	2,620	$	1,706