Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	May 01, 2021	May 02, 2020	May 01, 2021	May 02, 2020
Revenue:
Total revenue	$ 833,927	$ 894,053	$ 1,591,057	$ 1,726,965
Cost of goods sold:
Total cost of goods sold	421,508	480,727	820,747	943,104
Gross profit	412,419	413,326	770,310	783,861
Operating expenses:
Research and development	110,246	131,530	242,987	262,430
Selling and marketing	110,387	101,214	207,665	208,280
General and administrative	43,635	42,030	83,628	84,498
Amortization of intangible assets	6,019	5,839	11,929	11,692
Significant asset impairments and restructuring costs	8,209	3,811	14,076	8,283
Acquisition and integration costs	294	1,414	601	3,233
Total operating expenses	278,790	285,838	560,886	578,416
Income from operations	133,629	127,488	209,424	205,445
Interest and other income (loss), net	(1,274)	(2,665)	(2,395)	981
Interest expense	(7,785)	(7,860)	(15,145)	(16,675)
Loss on extinguishment and modification of debt	0	0	0	(646)
Income before income taxes	124,570	116,963	191,884	189,105
Provision for income taxes	21,453	25,308	33,419	35,122
Net income	$ 103,117	$ 91,655	$ 158,465	$ 153,983
Basic net income per common share (in dollars per share)	$ 0.66	$ 0.60	$ 1.02	$ 1.00
Diluted net income per potential common share (in dollars per share)	$ 0.66	$ 0.59	$ 1.01	$ 0.99
Weighted average basic common shares outstanding (in shares)	155,331	153,858	155,257	154,099
Weighted average dilutive potential common shares outstanding (in shares)	156,876	155,141	156,734	155,443
Products
Revenue:
Total revenue	$ 670,043	$ 739,892	$ 1,267,263	$ 1,427,107
Cost of goods sold:
Total cost of goods sold	339,601	405,138	654,699	794,151
Services
Revenue:
Total revenue	163,884	154,161	323,794	299,858
Cost of goods sold:
Total cost of goods sold	$ 81,907	$ 75,589	$ 166,048	$ 148,953