Unaudited Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2015		Jan. 31, 2014
Cash flow from operating activities:
Net income	$ 65,189		$ 67,696
Adjustments to reconcile net income to net cash used in operating activities:
Amortization and depreciation	50,529		43,714
Stock compensation	20,581		18,118
Allowance for doubtful accounts	300		(400)
Deferred income taxes	(158)		5,891
(Gain) loss on sale of investments	(12)		(6,529)
Net changes in operating assets and liabilities, net of acquired assets and liabilities:
Accounts receivable	40,857		7,910
Prepaid and other current assets	(42,860)		(13,635)
Other long-term assets	(7,597)		(6,695)
Accounts payable and other liabilities	(125,320)		(134,902)
Income taxes	(14,024)		(10,068)
Deferred revenue	(74,828)		(44,992)
Net cash used in operating activities	(87,343)		(73,892)
Cash flows from investing activities:
Proceeds from sales of long-term investments	0		6,791
Proceeds from sales and maturities of short-term investments	8,012		0
Purchases of short-term investments	(128,427)		0
Purchases of property and equipment	(19,607)		(14,353)
Cash paid for intangible assets	0		(900)
Capitalization of software development costs	(909)		(902)
Net cash used in investing activities	(140,931)		(9,364)
Cash flows from financing activities:
Proceeds from credit facility	250,000		0
Repayment of debt	(22,723)		(7,748)
Issuances of common stock	10,542		21,581
Purchase of equity forward contract	(36,000)		0
Purchases of treasury stock	(144,000)	[1]	(54,747)
Other	(14)		(111)
Net cash provided by (used in) financing activities	57,805		(41,025)
Effect of exchange rate changes on cash and cash equivalents	(18,469)		(5,107)
Net change in cash and cash equivalents	(188,938)		(129,388)
Cash and cash equivalents, beginning of year	985,762	[2]	1,022,441
Cash and cash equivalents, end of period	$ 796,824		$ 893,053

[1] Does not include $36.0 million equity forward contract related to the above-referenced 2015 ASR.

[2] Derived from audited financial statements.