Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 30, 2010
Cash flows from operating activities:
Net income	$ 195,181	$ 50,610	$ 116,523
Adjustments to reconcile net income to net cash provided by operating activities:
Excess tax (benefits) detriments from stock-based compensation	(5,141)	(312)	(2,161)
Depreciation and amortization	192,218	206,352	199,637
Loss on disposal of property and equipment	883	2,325	10,412
Loss on sale of subsidiary	0	12,756	0
Amortization of debt issuance costs and original issue discount	7,788	13,183	21,100
Write-off of debt issuance costs and original issue discount on debt extinguishment	0	25,465	0
Net gains on investments	(179)	(340)	(523)
Provision for doubtful accounts receivable and sales allowances	11,301	9,343	11,811
Non-cash compensation expense	77,169	83,076	101,625
Non-cash facilities lease loss expense (benefit)	0	0	513
Capitalization of interest cost	0	0	(7,755)
Changes in assets and liabilities:
Restricted cash	0	0	12,502
Accounts receivable	4,701	53,561	(39,248)
Inventories	4,656	1,327	(4,657)
Prepaid expenses and other assets	3,987	(1,688)	13,657
Deferred tax assets	1,256	(2,158)	(1,134)
Accounts payable	7,720	(38,917)	(26,421)
Accrued employee compensation	47,679	216	(100,826)
Deferred revenue	22,744	19,579	15,420
Other accrued liabilities	20,277	20,878	(10,731)
Liabilities associated with facilities lease losses	(1,370)	(6,024)	(11,231)
Net cash provided by (used in) operating activities	590,870	449,232	298,513
Cash flows from investing activities:
Purchases of short-term investments	0	(38)	(53)
Purchases of non-marketable minority equity investments	0	0	(200)
Proceeds from maturities and sale of short-term investments	952	1,604	3,255
Purchases of property and equipment	(72,797)	(96,797)	(201,621)
Proceeds from sale of property	0	0	30,185
Proceeds from sale of subsidiary	35	3,905	0
Net cash provided by (used in) investing activities	(71,810)	(91,326)	(168,434)
Cash flows from financing activities:
Payment of fees related to the term loan	0	(1,167)	0
Payment of debt issuance costs related to the senior secured notes	0	0	(3,666)
Payment of principal related to the convertible subordinated debt	0	0	(172,500)
Payment of principal related to the term loan	(190,000)	(359,898)	(583,029)
Payment of principal related to capital leases	(1,866)	(1,761)	(1,173)
Common stock repurchases	(130,209)	(210,698)	(25,004)
Proceeds from senior secured notes	0	0	587,968
Proceeds from issuance of common stock	98,791	97,152	81,593
Proceeds from term loan	0	198,950	0
Payment of principal related to the revolving credit facility	0	0	(14,050)
Excess tax benefits (detriments) from stock-based compensation	5,141	312	2,161
Net cash provided by (used in) financing activities	(218,143)	(277,110)	(127,700)
Effect of Exchange Rate on Cash and Cash Equivalents:
Effect of exchange rate fluctuations on cash and cash equivalents	(1,893)	(578)	(2,588)
Net increase (decrease) in cash and cash equivalents	299,024	80,218	(209)
Cash and cash equivalents, beginning of period	414,202	333,984	334,193
Cash and cash equivalents, end of period	713,226	414,202	333,984
Interest Paid:
Cash paid for interest	44,686	56,576	59,549
Income Taxes Paid:
Cash paid for income taxes	4,999	1,148	8,801
Noncash Investing and Financing Items:
Note assumed on sale of subsidiary	0	1,218	0
Acquisition of property and equipment through capital leases	$ 0	$ 0	$ 9,716