Stock-Based Benefit Plans (Tables)

6 Months Ended

Apr. 30, 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 the Company, for the periods indicated, is as follows (amounts in thousands):

	Six months ended April 30,				Three months ended April 30,
	2014		2013		2014		2013
Total stock-based compensation expense recognized	$	12,294	$	10,027	$	4,625	$	4,343
Income tax benefit recognized	$	4,619	$	3,666	$	1,647	$	1,588

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
Six months ended April 30,	$	5,660	$	4,835
Three months ended April 30,	$	1,630	$	1,360

Performance-based restricted stock units

The Company evaluates the performance goals quarterly and estimates 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 Company’s Performance-Based RSUs issued in the six-month periods ended April 30, 2014 and 2013 is provided below.

	2014		2013
Number of shares underlying Performance-Based RSUs to be issued	284,037		302,511
Closing price of the Company’s common stock on Valuation Date	$	35.16	$	37.78
Aggregate fair value of Performance-Based RSUs issued (in thousands)	$	9,987	$	11,429
Performance-Based RSU expense recognized in the six months ended April 30, (in thousands)	$	4,453	$	2,588
Performance-Based RSU expense recognized in the three months ended April 30, (in thousands)	$	2,382	$	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.

	April 30, 2014		October 31, 2013
Aggregate outstanding Performance-Based RSUs	956,725		672,687
Cumulative unamortized value of Performance-Based RSUs (in thousands)	$	13,653	$	8,120

Stock price-based restricted stock units

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

	2014		2013
Six months ended April 30,	$	231	$	979
Three months ended April 30,	$	—	$	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:

	April 30, 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 six months ended April 30, 2014 and 2013 is as follows:

	2014		2013
Number of RSUs issued	99,336		94,080
Closing price of the Company’s 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 Company’s RSUs, for the periods indicated, is as follows (amounts in thousands):

	2014		2013
Six months ended April 30,	$	1,902	$	1,584
Three months ended April 30,	$	591	$	472

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

	April 30, 2014		October 31, 2013
Aggregate outstanding RSUs	307,606		225,252
Cumulative unamortized value of RSUs (in thousands)	$	3,248	$	1,706