Summary of Significant Accounting Policies - Accumulated Other Comprehensive Income - Reclassified Amounts (Details) - USD ($) $ in Thousands	3 Months Ended																12 Months Ended
	Nov. 03, 2018		Aug. 04, 2018		May 05, 2018		Feb. 03, 2018		Oct. 28, 2017		Jul. 29, 2017		Apr. 29, 2017		Jan. 28, 2017		Nov. 03, 2018		Oct. 28, 2017		Oct. 29, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales	$ 502,932		$ 502,033		$ 479,241		$ 483,434		$ 535,145		$ 667,278		$ 507,539		$ 335,945		$ 1,967,640	[1]	$ 2,045,907	[1]	$ 1,194,236	[1]
Research and development	295,699		291,642		289,472		288,597		273,746		275,670		235,232		183,954		1,165,410	[1]	968,602	[1]	653,816	[1]
Selling, marketing, general and administrative	175,396		171,487		172,146		176,908		185,721		183,980		190,686		130,659		695,937	[1]	691,046	[1]	461,438	[1]
Interest expense	59,102	[2]	61,665	[2]	64,792	[2]	68,030	[2]	63,517	[2]	73,073	[2]	71,636	[2]	42,614	[2]	253,589		250,840		88,757
Total before tax	457,522		440,594		401,547		338,854		381,664		126,798		86,714		233,309		1,638,517		828,485		956,921
Tax	$ (24,557)	[3]	$ (26,130)	[3]	$ (21,716)	[3]	$ (70,682)	[3]	$ (34,014)	[3]	$ (57,882)	[3]	$ 6,850	[3]	$ (16,180)	[3]	(143,085)		(101,226)		(95,257)
Net Income																	1,495,432		727,259		$ 861,664
Total before tax																	(75)
Net of tax																	(376)		5,669
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total before tax																	(1,707)
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total before tax																	1,632		1,870
Tax																	(395)		(400)
Net of tax																	1,237		1,470
Accumulated Defined Benefit Plans Adjustment, Net Transition Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total before tax																	10		14
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total before tax																	1		(9)
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total before tax																	1,621		1,865
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net Income																	(1,613)		4,199
Reclassification out of Accumulated Other Comprehensive Income [Member] | Foreign Exchange Contract [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales																	396		2,188
Research and development																	(462)		330
Selling, marketing, general and administrative																	(317)		927
Reclassification out of Accumulated Other Comprehensive Income [Member] | Interest Rate Contract [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest expense																	(1,324)		2,080
Total before tax																	(1,707)		5,525
Tax																	$ 94		$ (1,326)

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

[2] Interest expense in fiscal 2017 and 2018 includes interest and fees associated with financing commitments entered into in connection with the Acquisition. See Note 14, Debt, of the Notes to the Consolidated Financial Statements contained in Item 8 of this Annual Report on Form 10-K.

[3] 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.