Supplementary Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended																12 Months Ended
	Oct. 29, 2016		Jul. 30, 2016		Apr. 30, 2016		Jan. 30, 2016		Oct. 31, 2015		Aug. 01, 2015		May 02, 2015		Jan. 31, 2015		Oct. 29, 2016		Oct. 31, 2015		Nov. 01, 2014
Supplementary Financial Information
Revenue	$ 1,003,623		$ 869,591		$ 778,766		$ 769,429		$ 978,722		$ 863,365		$ 821,019		$ 771,986		$ 3,421,409		$ 3,435,092		$ 2,864,773
Cost of sales	336,936		297,301		267,863		292,136		336,926		294,328		276,197		268,379		1,194,236	[1]	1,175,830	[1]	1,034,585	[1]
Gross margin	$ 666,687		$ 572,290		$ 510,903		$ 477,293		$ 641,796		$ 569,037		$ 544,822		$ 503,607		2,227,173		2,259,262		1,830,188
% of Revenue	66.40%		65.80%		65.60%		62.00%		65.60%		65.90%		66.40%		65.20%
Research and development	$ 172,926		$ 163,227		$ 160,235		$ 157,428		$ 170,736		$ 160,784		$ 154,233		$ 151,706		653,816	[1]	637,459	[1]	559,686	[1]
Selling, marketing, general and administrative	118,881		122,909		112,186		107,462		121,400		120,030		117,371		120,171		461,438	[1]	478,972	[1]	454,676	[1]
Special charges	0		0		13,684		0		0		0		0		0		13,684		0		37,322
Other Selling, General and Administrative Expense	0																0		223,672		0
Amortization of intangible Assets Operating Expenses	17,899		17,447		17,419		17,358		17,358		22,954		24,210		23,796		70,123		88,318		26,020
Total operating expenses	309,706		303,583		303,524		282,248		533,166		303,768		295,814		295,673		1,199,061		1,428,421		1,077,704
Operating income from continuing operations	$ 356,981		$ 268,707		$ 207,379		$ 195,045		$ 108,630		$ 265,269		$ 249,008		$ 207,934		1,028,112		830,841		752,484
% of Revenue	36.00%		31.00%		27.00%		25.00%		11.00%		31.00%		30.00%		27.00%
Nonoperating (income) expenses:
Interest expense	$ 38,764		$ 18,476		$ 18,455		$ 13,062		$ 6,739		$ 6,755		$ 6,880		$ 6,656		88,757		27,030		34,784
Interest income	(7,114)		(5,665)		(5,243)		(3,199)		(2,343)		(2,229)		(2,009)		(2,044)		(21,221)		(8,625)		(12,173)
Other, net	1,897	[2]	(504)	[2]	(743)	[2]	3,005	[2]	(443)	[2]	1,265	[2]	(1,052)	[2]	2,552	[2]	3,655		2,322		528
Total nonoperating (income) expense	33,547		12,307		12,469		12,868		3,953		5,791		3,819		7,164		71,191		20,727		23,139
Income from continuing operations before income taxes	$ 323,434		$ 256,400		$ 194,910		$ 182,177		$ 104,677		$ 259,478		$ 245,189		$ 200,770		956,921		810,114		729,345
% of Revenue	32.00%		29.00%		25.00%		24.00%		11.00%		30.00%		30.00%		26.00%
Provision for income taxes	$ 27,277	[3]	$ 25,970	[3]	$ 24,337	[3]	$ 17,673	[3]	$ 8,372	[3]	$ 43,000	[3]	$ 39,851	[3]	$ 22,013	[3]	95,257		113,236		100,025
Income from continuing operations, net of tax																	$ 861,664		$ 696,878		$ 629,320
Net income	$ 296,157		$ 230,430		$ 170,573		$ 164,504		$ 96,305		$ 216,478		$ 205,338		$ 178,757
% of Revenue	30.00%		26.00%		22.00%		21.00%		10.00%		25.00%		25.00%		23.00%
Earnings per share - Basic (in dollars per share)
Income from continuing operations																	$ 2.79		$ 2.23		$ 2.01
Net income	$ 0.96		$ 0.75		$ 0.55		$ 0.53		$ 0.31		$ 0.69		$ 0.66		$ 0.57
Earnings per share - Diluted (in dollars per share)
Net income	$ 0.95		$ 0.74		$ 0.55		$ 0.52		$ 0.30		$ 0.68		$ 0.65		$ 0.57
Shares used to compute earnings per share (in thousands):
Shares used to compute earnings per share - Basic (in shares)	307,854		307,135		308,790		311,166		312,829		313,877		312,660		311,274		308,736		312,660		313,195
Shares used to compute earnings per share - Diluted (in shares)	311,633		310,558		312,250		314,793		316,571		318,187		317,047		315,684		312,308		316,872		318,027
Dividends declared per share	$ 0.42		$ 0.42		$ 0.42		$ 0.40		$ 0.40		$ 0.40		$ 0.40		$ 0.37		$ 1.66		$ 1.57		$ 1.45
Unrecorded Potential Tax Liability Related To IRS Examination Open Tax Matter																	$ 36,500
Tax Benefit from Reversal of Certain Prior Period Tax Liabilities	$ 13,000
Tax Benefit from Reinstatement of the U.S. Federal R&D Tax Credit							$ 7,000
Tax Benefit Resulting from Purchase Accounting Adjustment							$ 3,800

[1] Includes stock-based compensation expense as follows:

[2] The Company converted the benefits provided to participants in the Company’s Irish defined benefits pension plan to benefits provided under the Company’s Irish defined contribution plan. As a result, the Company recorded expenses of $223.7 million, including settlement charges, legal, accounting and other professional fees to settle the pension obligation.

[3] ) Interest expense in the fourth quarter of fiscal 2016 includes $13.7 million related to accelerated amortization of fees associated with the bridge financing commitments related to the proposed Linear acquisition. c) Provision for income taxes in the fourth quarter of fiscal 2015 includes a benefit of $13.0 million for the reversal of certain prior period tax liabilities and in the first quarter of fiscal 2015 includes a tax benefit of $7.0 million from the reinstatement of the U.S. federal research and development tax credit in December 2014 retroactive to January 1, 2014 and a tax benefit of $3.8 million as a result of an acquisition accounting adjustment.