CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
Jan. 01, 2022	Jan. 02, 2021
Income Statement [Abstract]
Revenues	$ 460,888	$ 267,857
Cost of sales	237,650	146,371
Gross profit	223,238	121,486
Selling, general and administrative	38,959	35,900
Research and development	33,169	31,544
Operating expenses	72,128	67,444
Income from operations	151,110	54,042
Interest income	471	651
Interest expense	(40)	(32)
Income before income taxes	151,541	54,661
Income tax expense (benefit)	17,935	6,298
Net income	$ 133,606	$ 48,363
Net income per share:
Basic (in dollars per share)	$ 2.14	$ 0.78
Diluted (in dollars per share)	$ 2.11	$ 0.77
Weighted average shares outstanding:
Basic (in shares)	62,385	61,965
Diluted (in shares)	63,316	62,740

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227