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Stock-based compensation (Tables)

9 Months Ended

Jun. 27, 2020

Share-based Payment Arrangement [Abstract]

Schedule of stock option activity

The summary of the Company’s stock option activity is as follows:

			Number of Options						Weighted-Average Exercise Price						Weighted Average Remaining Contractual Term						Aggregate Intrinsic Value
															(In years)						(In thousands)
Outstanding at September 29, 2019			37,155,568						$	11.39					6.3						$	94,288
Granted			—						—
Exercised			(3,262,189)						5.43
Forfeited			(2,088,232)						14.00
Outstanding at June 27, 2020			31,805,147						$	11.82					5.8						$	102,403
At June 27, 2020
Options exercisable			25,966,388						$	11.24					5.3						$	98,198
Options vested and expected to vest			31,071,037						$	11.76					5.7						$	101,890

Schedule of restricted stock unit activity

The summary of the Company’s unvested RSU activity is as follows:

			Number of Units						Weighted-Average Grant Date Fair Value						Aggregate Intrinsic Value
															(In thousands)
Unvested at September 29, 2019			6,716,786						$	11.40					$	90,744
Granted			8,863,308
Vested			(1,531,284)
Forfeited			(640,783)
Unvested at June 27, 2020			13,408,027						$	10.45					$	201,120
At June 27, 2020
Units expected to vest			10,772,089						$	10.48					$	161,581

Schedule of stock-based compensation expense

Total stock-based compensation expense by functional category was as follows:

			Three Months Ended																		Nine Months Ended
			June 27, 2020						June 29, 2019						June 27, 2020						June 29, 2019
(In thousands)
Cost of revenue			$	306					$	298					$	866					$	701
Research and development			6,154						4,904						16,697						12,792
Sales and marketing			3,710						3,608						10,658						9,416
General and administrative			4,871						4,598						13,417						10,616
Total stock-based compensation expense			$	15,041					$	13,408					$	41,638					$	33,525

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Tabular disclosure of share-based payment arrangement.

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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