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Net Income (Loss) Per Share Attributable to Common Stockholders
 6 Months Ended
Apr. 03, 2021
Earnings Per Share [Abstract]  
Net Income (Loss) Per Share Attributable to Common Stockholders Net Income (Loss) Per Share Attributable to Common Stockholders
Basic net income (loss) attributable to common stockholders per share is calculated by dividing net income (loss) attributable to common stockholders by the weighted-average number of shares of common stock outstanding less shares subject to repurchase. Diluted net income (loss) per share attributable to common stockholders adjusts the basic net income (loss) per share attributable to common stockholders and the weighted-average number of shares of common stock outstanding for the potentially dilutive impact of stock awards, using the treasury stock method.
 
The following table sets forth the computation of the Company’s basic and diluted net income (loss) per share attributable to common stockholders:
Three Months EndedSix Months Ended
April 3,
2021		March 28,
2020		April 3, 2021March 28, 2020
(In thousands, except share and per share data)
Numerator:
Net income (loss) attributable to common stockholders - basic and diluted$17,221 $(52,320)$149,513 $18,454 
Denominator:
Weighted-average shares of common stock—basic121,880,615 109,515,049 118,745,569 109,249,866 
Effect of potentially dilutive stock options12,040,149 — 10,073,032 6,185,155 
Effect of RSUs9,105,551 — 8,016,629 2,384,548 
Effect of PSUs29,231 — 14,616 — 
Weighted-average shares of common stock—diluted143,055,546 109,515,049 136,849,846 117,819,569 
Net income (loss) per share attributable to common stockholders:
Basic$0.14 $(0.48)$1.26 $0.17 
Diluted$0.12 $(0.48)$1.09 $0.16 
The following potentially dilutive shares were excluded from the computation of diluted net income (loss) per share attributable to common stockholders because including them would have been antidilutive:

Three Months EndedSix Months Ended
April 3, 2021March 28, 2020April 3, 2021March 28, 2020
Stock options to purchase common stock7,523,579 34,840,568 12,299,023 29,425,147 
Restricted stock units3,219,598 7,081,150 4,354,744 4,635,242 
Performance stock units44,217 — 22,109 — 
Total10,787,394 41,921,718 16,675,876 34,060,389