Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	May 02, 2020	May 04, 2019	May 02, 2020	May 04, 2019
Revenue:
Total revenue	$ 894,053	$ 865,011	$ 1,726,965	$ 1,643,538
Cost of goods sold:
Total cost of goods sold	480,727	490,334	943,104	945,520
Gross profit	413,326	374,677	783,861	698,018
Operating expenses:
Research and development	131,530	137,969	262,430	266,602
Selling and marketing	101,214	103,502	208,280	201,615
General and administrative	42,030	42,154	84,498	81,397
Amortization of intangible assets	5,839	5,529	11,692	11,057
Significant asset impairments and restructuring costs	3,811	4,068	8,283	6,341
Acquisition and integration costs	1,414	1,135	3,233	2,743
Total operating expenses	285,838	294,357	578,416	569,755
Income from operations	127,488	80,320	205,445	128,263
Interest and other income (loss), net	(2,665)	(244)	981	4,009
Interest expense	(7,860)	(9,471)	(16,675)	(18,912)
Loss on extinguishment and modification of debt	0	0	(646)	0
Income before income taxes	116,963	70,605	189,105	113,360
Provision for income taxes	25,308	17,867	35,122	27,006
Net income	$ 91,655	$ 52,738	$ 153,983	$ 86,354
Basic net income (loss) per common share (in dollars per share)	$ 0.60	$ 0.34	$ 1.00	$ 0.55
Diluted net income (loss) per potential common share (in dollars per share)	$ 0.59	$ 0.33	$ 0.99	$ 0.55
Weighted average basic common shares outstanding (in shares)	153,858	156,170	154,099	156,244
Weighted average dilutive potential common shares outstanding (in shares)	155,141	158,289	155,443	158,211
Products
Revenue:
Total revenue	$ 739,892	$ 710,688	$ 1,427,107	$ 1,353,220
Cost of goods sold:
Total cost of goods sold	405,138	411,050	794,151	791,492
Services
Revenue:
Total revenue	154,161	154,323	299,858	290,318
Cost of goods sold:
Total cost of goods sold	$ 75,589	$ 79,284	$ 148,953	$ 154,028