Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Oct. 31, 2011

Summary Of Significant Accounting Policies [Abstract]

Changes In The Allowance For Doubtful Accounts

Fiscal Year	Balance at Beginning of Period		Provisions			Write-offs(2)			Balance at End of Period
	(in thousands)
2011	$	2,727	$	1,058		$	(1,296	)	$	2,489
2010	$	3,587	$	(899	)	$	39		$	2,727
2009(1)	$	2,338	$	4,698		$	(3,449	)	$	3,587

(1) Fiscal 2009 includes acquired bad debt reserves of $2.2 million.

(2) Balances written off, net of recoveries.

Schedule Of Property And Equipment

	October 31,
	2011			2010
	(in thousands)
Computer and other equipment	$	283,893		$	255,054
Buildings		53,926			55,447
Furniture and fixtures		28,759			27,639
Land		20,414			20,414
Leasehold improvements		85,984			87,405
		472,976			445,959
Less accumulated depreciation and amortization(1)		(313,459	)		(297,379	)
Total	$	159,517		$	148,580

(1) Change in accumulated depreciation and amortization is due to additional year of expense offset partially by retirement of fully amortized fixed assets.

Useful Lives Of Depreciable Assets

	Useful Life in Years
Computer and other equipment		3-5
Buildings		30
Furniture and fixtures		5
Leasehold improvements (average)		5

Schedule Of Accounts Payable And Accrued Liabilities

	October 31,
	2011		2010
	(in thousands)
Payroll and related benefits	$	238,691	$	216,079
Other accrued liabilities		53,173		73,230
Accounts payable		6,956		16,331
Acquisition-related costs		3,356		7,210
Total	$	302,176	$	312,850

Schedule Of Other Long-Term Liabilities

	October 31,
	2011		2010
	(in thousands)
Deferred compensation liability(1)	$	90,060	$	83,330
Other long-term liabilities		18,016		18,555
Total	$	108,076	$	101,885

(1) See Note 9.

Accumulated Other Comprehensive Income (Loss)

	October 31,
	2011			2010
	(in thousands)
Unrealized gain on investments	$	215		$	557
Deferred gain (loss) on cash flow hedges		(12,842	)		(6,354	)
Foreign currency translation adjustments		(8,318	)		(9,977	)
	$	(20,945	)	$	(15,774	)

Reconciliation Of Weighted Average Common Shares Used To Calculate Net Income Per Share

	Year Ended October 31,
	2011		2010		2009
	(in thousands)
Numerator:
Net income	$	221,364	$	237,063	$	167,681
Denominator:
Weighted average common shares for basic net income per share		146,573		148,013		143,752
Dilutive effect of common share equivalents from equity—based compensation		3,794		3,898		2,105
Weighted average common shares for diluted net income per share		150,367		151,911		145,857
Net income per share:
Basic	$	1.51	$	1.60	$	1.17
Diluted	$	1.47	$	1.56	$	1.15
Anti-dilutive employee stock-based awards excluded (1)		4,669		10,999		17,288

(1) These stock options and unvested restricted stock units were anti-dilutive for the respective periods and are excluded in calculating diluted net income per share. While such awards were anti-dilutive for the respective periods, they could be dilutive in the future.