Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 27, 2020	Jun. 30, 2021	Jun. 27, 2020
Revenue:
Revenue	$ 435,668	$ 351,721	$ 1,326,504	$ 1,067,434
Cost of revenue:
Cost of revenue	95,077	79,224	271,355	249,656
Gross margin	340,591	272,497	1,055,149	817,778
Operating expenses:
Sales and marketing	134,412	104,594	388,315	319,636
Research and development	78,134	61,429	221,514	186,691
General and administrative	47,084	35,709	157,417	113,895
Amortization of acquired intangible assets	7,511	7,302	21,708	21,367
Restructuring and other charges (credits), net	(132)	62	584	32,338
Total operating expenses	267,009	209,096	789,538	673,927
Operating income	73,582	63,401	265,611	143,851
Interest and debt premium expense	(13,178)	(19,660)	(37,622)	(64,376)
Other income (expense), net	(1,935)	775	(5,756)	(150)
Income before income taxes	58,469	44,516	222,233	79,325
Provision for income taxes	7,266	9,838	38,253	2,036
Net income	$ 51,203	$ 34,678	$ 183,980	$ 77,289
Earnings per share—Basic	$ 0.44	$ 0.30	$ 1.58	$ 0.67
Earnings per share—Diluted	$ 0.43	$ 0.30	$ 1.56	$ 0.67
Weighted-average shares outstanding—Basic	116,934	115,759	116,702	115,521
Weighted-average shares outstanding—Diluted	118,611	116,229	118,181	115,981
License
Revenue:
Revenue	$ 163,583	$ 118,248	$ 538,769	$ 369,285
Cost of revenue:
Cost of revenue	15,502	13,001	42,918	40,047
Support and cloud services
Revenue:
Revenue	230,851	199,146	670,853	586,555
Cost of revenue:
Cost of revenue	42,392	34,788	120,706	107,980
Software
Revenue:
Revenue	394,434	317,394	1,209,622	955,840
Cost of revenue:
Cost of revenue	57,894	47,789	163,624	148,027
Professional services
Revenue:
Revenue	41,234	34,327	116,882	111,594
Cost of revenue:
Cost of revenue	$ 37,183	$ 31,435	$ 107,731	$ 101,629