CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Sep. 25, 2021	Sep. 26, 2020	Sep. 28, 2019
Net sales	$ 365,817	$ 274,515	$ 260,174
Cost of sales	212,981	169,559	161,782
Gross margin	152,836	104,956	98,392
Operating expenses:
Research and development	21,914	18,752	16,217
Selling, general and administrative	21,973	19,916	18,245
Total operating expenses	43,887	38,668	34,462
Operating income	108,949	66,288	63,930
Other income/(expense), net	258	803	1,807
Income before provision for income taxes	109,207	67,091	65,737
Provision for income taxes	14,527	9,680	10,481
Net income	$ 94,680	$ 57,411	$ 55,256
Earnings per share:
Basic (in dollars per share)	$ 5.67	$ 3.31	$ 2.99
Diluted (in dollars per share)	$ 5.61	$ 3.28	$ 2.97
Shares used in computing earnings per share:
Basic (in shares)	16,701,272	17,352,119	18,471,336
Diluted (in shares)	16,864,919	17,528,214	18,595,651
Products
Net sales	$ 297,392	$ 220,747	$ 213,883
Cost of sales	192,266	151,286	144,996
Services
Net sales	68,425	53,768	46,291
Cost of sales	$ 20,715	$ 18,273	$ 16,786