The following table provides share-based compensation expense and the related income tax impacts for the thirteen and twenty-six weeks ended July 29, 2023 and July 30, 2022:


	Thirteen Weeks Ended				Twenty-Six Weeks Ended
(in thousands)	July 29, 2023		July 30, 2022		July 29, 2023		July 30, 2022
Share-based compensation expense	$	11,559	$	7,760	$	19,647	$	16,116
Income tax benefit associated with share-based compensation expense recognized	1,079		1,015		2,083		1,980

The following table provides discrete income tax benefits and charges related to share-based compensation awards during the thirteen and twenty-six weeks ended July 29, 2023 and July 30, 2022:


	Thirteen Weeks Ended				Twenty-Six Weeks Ended
(in thousands)	July 29, 2023		July 30, 2022		July 29, 2023		July 30, 2022
Income tax discrete benefits (charges) realized for tax deductions related to the issuance of shares	$	325	$	(113)	$	1,442	$	1,998
Income tax discrete charges realized upon cancellation of stock appreciation rights	—		(8)		(101)		(203)
Total income tax discrete benefits (charges) related to share-based compensation awards	$	325	$	(121)	$	1,341	$	1,795

The following table provides the amount of employee tax withheld by the Company upon the issuance of shares associated with restricted stock units vesting and the exercise of stock appreciation rights for the thirteen and twenty-six weeks ended July 29, 2023 and July 30, 2022:


	Thirteen Weeks Ended				Twenty-Six Weeks Ended
(in thousands)	July 29, 2023		July 30, 2022		July 29, 2023		July 30, 2022
Employee tax withheld upon issuance of shares (1)	$	410	$	312	$	18,769	$	14,006


	Service-based Restricted Stock Units			Performance-based Restricted Stock Units			Market-based Restricted Stock Units
	Number of Underlying Shares	Weighted- Average Grant Date Fair Value		Number of Underlying Shares	Weighted- Average Grant Date Fair Value		Number of Underlying Shares	Weighted- Average Grant Date Fair Value
Unvested at January 28, 2023	2,461,395	$	21.30	336,549	$	31.08	662,137	$	23.68
Granted	883,296	28.66		222,144	28.36		111,077	41.20
Adjustments for performance achievement	—	—		—	—		493,854	16.24
Vested	(906,730)	19.48		—	—		(987,708)	16.24
Forfeited	(74,456)	25.02		(7,123)	—		(3,562)	43.46
Unvested at July 29, 2023 (1)	2,363,505	$	24.65	551,570	$	30.00	275,798	$	43.81

(1) Unvested shares related to restricted stock units with performance-based and market-based vesting conditions are reflected at 100% of their target vesting amount in the table above. Unvested shares related to restricted stock units with performance-based and market-based vesting conditions can be achieved at up to 200% of their target vesting amount.

The following table provides the unrecognized compensation cost and the remaining weighted-average period over which these costs are expected to be recognized for restricted stock units as of July 29, 2023:


	Service-based Restricted Stock Units		Performance-based Restricted Stock Units		Market-based Restricted Stock Units
Unrecognized compensation cost (in thousands)	$	46,071	$	14,810	$	6,969
Remaining weighted-average period cost is expected to be recognized (years)	1.3		1.7		1.7

The following table provides additional information pertaining to restricted stock units for the twenty-six weeks ended July 29, 2023 and July 30, 2022:


	Twenty-Six Weeks Ended
(in thousands)	July 29, 2023		July 30, 2022
Service-based restricted stock units:
Total grant date fair value of awards granted	$	25,315	$	27,173
Total grant date fair value of awards vested	17,663		15,393

Performance-based restricted stock units:
Total grant date fair value of awards granted	6,300		5,300
Total grant date fair value of awards vested	—		4,482

Market-based restricted stock units:
Total grant date fair value of awards granted	4,576		3,731
Total grant date fair value of awards vested	16,040		4,105

The following table provides the weighted-average assumptions used for market-based restricted stock units in the Monte Carlo simulation during the twenty-six weeks ended July 29, 2023 and July 30, 2022:


	Twenty-Six Weeks Ended
	July 29, 2023			July 30, 2022
Grant date market price	$	28.36		$	32.07
Fair value	41.20			45.15

Price volatility	63		%	66		%
Expected term (years)	2.9			2.9
Risk-free interest rate	4.6		%	2.3		%
Dividend yield	—			—
Average volatility of peer companies	66.0			72.9
Average correlation coefficient of peer companies	0.5295			0.5146


	Number of Underlying Shares	Weighted-Average Exercise Price		Aggregate Intrinsic Value (in thousands)		Weighted-Average Remaining Contractual Life (years)
Outstanding at January 28, 2023	190,589	$	29.43

Exercised	(13,788)	23.19
Forfeited or expired	(23,700)	45.69
Outstanding at July 29, 2023	153,101	$	27.47	$	1,914	1.3
Stock appreciation rights exercisable at July 29, 2023	153,101	$	27.47	$	1,914	1.3

The following table provides additional information pertaining to stock appreciation rights exercised during the twenty-six weeks ended July 29, 2023: