Income Taxes - Income Tax Provision Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended																12 Months Ended
	Nov. 03, 2018	[1]	Aug. 04, 2018	[1]	May 05, 2018	[1]	Feb. 03, 2018	[1]	Oct. 28, 2017	[1]	Jul. 29, 2017	[1]	Apr. 29, 2017	[1]	Jan. 28, 2017	[1]	Nov. 03, 2018	Oct. 28, 2017	Oct. 29, 2016
Income Tax Disclosure [Abstract]
U.S. federal statutory tax rate																	23.40%	35.00%	35.00%
Income tax provision reconciliation:
Tax at statutory rate:																	$ 383,413	$ 289,970	$ 334,922
Net foreign income subject to lower tax rate																	(434,834)	(385,189)	(264,157)
State income taxes, net of federal benefit																	4,015	(8,801)	(10,821)
Valuation allowance																	2,232	(7,778)	13,658
Federal research and development tax credits																	(33,602)	(16,475)	(16,237)
Change in uncertain tax positions																	(32,945)	(51,088)	4,797
Amortization of purchased intangibles																	213,198	159,466	35,641
Acquisition and integration costs																	0	109,040	0
Taxes attributable to the Tax Cuts and Jobs Act of 2017																	70,029	0	0
Windfalls (Under ASU 2016-09)																	(26,237)	0	0
Other, net																	(2,184)	12,081	(2,546)
Provision for income taxes	$ 24,557		$ 26,130		$ 21,716		$ 70,682		$ 34,014		$ 57,882		$ (6,850)		$ 16,180		$ 143,085	$ 101,226	$ 95,257

[1] Provision for income taxes in the first quarter of fiscal 2018 included the impact related to the Tax Cuts and Jobs Act of 2017, enacted on December 22, 2017. Provision for income taxes in the fourth quarter of fiscal 2018 included a release of reserves relating to certain international transfer pricing matters. Provision for income taxes in the second quarter of fiscal 2017 included a tax benefit of $15.0 million for the release of a state tax credit valuation allowance as a result of the Acquisition. Provision for income taxes in the third quarter of fiscal 2017 included approximately $98.2 million of tax expense incurred during the quarter as part of the post-Acquisition integration, partially offset by a tax benefit of $50.5 million related to the reduction of reserves and related interest resulting from the U.S. Tax Court’s favorable ruling, as well as lower statutory tax rates applicable to our operations in the foreign jurisdictions in which the Company earns income. See Note 12, Income Taxes, of the Notes to the Consolidated Financial Statements contained in Item 8 of this Annual Report on Form 10-K.