Net Income Per Share Attributable to Common Stockholders - Computation of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Dec. 31, 2022	Jan. 01, 2022
Numerator:
Net income (loss)	$ 75,188	$ 123,481
Denominator:
Weighted-average shares of common stock - basic (in shares)	127,212,245	127,662,826
Weighted-average shares of common stock - diluted (in shares)	131,502,986	142,322,448
Net income (loss) attributable to common stockholders:
Net income (loss) per share attributable to common stockholders - basic (in USD per share)	$ 0.59	$ 0.97
Net income (loss) per share attributable to common stockholders - diluted (in USD per share)	$ 0.57	$ 0.87
Stock Options
Denominator:
Effect of potentially dilutive stock options, RSUs, and PSUs (in shares)	1,802,786	8,162,237
Restricted stock units
Denominator:
Effect of potentially dilutive stock options, RSUs, and PSUs (in shares)	2,460,948	6,306,547
Performance Share Units
Denominator:
Effect of potentially dilutive stock options, RSUs, and PSUs (in shares)	27,007	190,838