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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Share-Based Payment Arrangement [Abstract]

Schedule of Additional Information Regarding Stock Based Compensation

Certain information regarding our stock-based compensation was as follows (in thousands, except per share amounts):

			Fiscal Year Ended
			December 31, 2022						December 25, 2021						December 26, 2020
Weighted average grant date per share fair value of RSUs granted			$	34.83					$	36.12					$	25.96
Total intrinsic value of stock options exercised			—						3,179						4,688
Fair value of RSUs vested			42,324						54,948						42,597

Schedule of Stock-based Compensation Expense

Pre-tax stock-based compensation expense by financial statement line and related tax benefit in the Consolidated Statements of Income are as follows (in thousands):

			Fiscal Year Ended
			December 31, 2022						December 25, 2021						December 26, 2020
Stock-based compensation expense included in:
Cost of revenues			$	3,807					$	5,200					$	3,951
Research and development			8,217						7,583						5,824
Selling, general and administrative			19,313						16,601						14,055
Total stock-based compensation			$	31,337					$	29,384					$	23,830
Stock-based compensation tax benefit			$	2,772					$	6,118					$	4,962

Schedule of Unrecognized Compensation Expense

Unrecognized stock-based compensation expense at December 31, 2022 consisted of the following (in thousands):

						Unrecognized Expense						Weighted Average Recognition Period (Years)
Restricted stock units						$	45,726					2.1
Performance restricted stock units						12,216						2.0
Employee stock purchase plan						424						0.1
Total unrecognized stock-based compensation expense						$	58,366					2.1

Schedule of Assumptions, Fair Value of PRSUs

The following assumptions were used in estimating the fair value of PRSUs:

			Fiscal Year Ended
			December 31, 2022						December 25, 2021						December 26, 2020
PRSUs:
Dividend yield			—		%				—		%				—		%
Expected volatility			53.0		%				52.5		%				52.0		%
Risk-free interest rate			2.8		%				0.3		%				0.2		%
Expected life (in years)			2.9						2.9						2.8

Schedule of Assumptions, Fair Value of Employee Purchase Rights

The following assumptions were used in estimating the fair value of shares under the Employee Stock Purchase Plan:

			Fiscal Year Ended
			December 31, 2022						December 25, 2021						December 26, 2020
Employee Stock Purchase Plan:
Dividend yield			—		%				—		%				—		%
Expected volatility			42.6% - 60.8%						33.6% - 74.4%						30.4% - 74.4%
Risk-free interest rate			0.1% - 3.0%						0.1% - 1.5%						0.1% - 1.5%
Expected life (in years)			0.5 - 1.0						0.5 - 1.0						0.5 - 1.0

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Tabular disclosure of share-based payment arrangement.

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