The following table details share-based compensation expense and the related income tax impacts for the thirteen and thirty-nine weeks ended October 31, 2020 and November 2, 2019:


	Thirteen Weeks Ended				Thirty-nine Weeks Ended
(in thousands)	October 31, 2020		November 2, 2019		October 31, 2020		November 2, 2019
Share-based compensation expense	$	4,669	$	5,796	$	13,575	$	8,464
Income tax benefit associated with share-based compensation expense recognized (1)	$	—	$	1,211	$	—	$	1,566

(1) No income tax benefit was recognized related to share-based compensation expense during the thirteen and thirty-nine weeks ended October 31, 2020 due to the U.S. being a loss jurisdiction.

The following table details discrete income tax benefits and charges related to share-based compensation awards during the thirteen and thirty-nine weeks ended October 31, 2020 and November 2, 2019:


	Thirteen Weeks Ended				Thirty-nine Weeks Ended
(in thousands)	October 31, 2020		November 2, 2019		October 31, 2020		November 2, 2019
Income tax discrete benefits realized for tax deductions related to the issuance of shares (1)	$	—	$	6	$	—	$	1,175
Income tax discrete charges realized upon cancellation of stock appreciation rights (1)	—		(447)		—		(611)
Total income tax discrete (charges) benefits related to share-based compensation awards	$	—	$	(441)	$	—	$	564

(1) No income tax benefits or charges related to these items were recognized during the thirteen and thirty-nine weeks ended October 31, 2020 due to the U.S. being a loss jurisdiction.

The following table details 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 thirty-nine weeks ended October 31, 2020 and November 2, 2019:


	Thirteen Weeks Ended				Thirty-nine Weeks Ended
(in thousands)	October 31, 2020		November 2, 2019		October 31, 2020		November 2, 2019
Employee tax withheld upon issuance of shares (1)	$	150	$	181	$	5,566	$	6,619


	Service-based Restricted Stock Units			Performance-based Restricted Stock Units			Market-based Restricted Stock Units
	Number of Underlying Shares (1)	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 February 1, 2020	1,676,831	$	18.68	747,056	$	15.11	421,784	$	23.05
Granted	2,280,194	8.57		—	—		519,905	16.24
Adjustments for performance achievement	—	—		38,381	11.37		134,122	11.79
Vested	(790,429)	17.42		(481,304)	9.63		(350,447)	11.79
Forfeited	(107,795)	13.83		(6,917)	22.80		(3,485)	35.61
Unvested at October 31, 2020 (2)	3,058,801	$	11.63	297,216	$	22.43	721,879	$	21.46

(1) Includes 66,624 unvested restricted stock units as of October 31, 2020, subject to vesting requirements related to the achievement of certain performance metrics, such as operating income and net income, for the fiscal year immediately preceding the vesting date. Holders of these restricted stock units have the opportunity to earn back one or more installments of the award if the cumulative performance requirements are met in a subsequent year.

(2) 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. Certain unvested shares related to restricted stock units with performance-based vesting conditions can be achieved at up to 200% of their target vesting amount.

The following table details unrecognized compensation cost and the remaining weighted-average period these costs are expected to be recognized for restricted stock units as of October 31, 2020:


(in thousands)	Service-based Restricted Stock Units		Performance-based Restricted Stock Units		Market-based Restricted Stock Units
Unrecognized compensation cost	$	27,879	$	—	$	9,939
Remaining weighted-average period cost is expected to be recognized (years)	1.3		0.0		1.1


(in thousands)	October 31, 2020		November 2, 2019
Service-based restricted stock units:
Total grant date fair value of awards granted	$	19,541	$	16,175
Total grant date fair value of awards vested	$	13,769	$	13,087

Performance-based restricted stock units:
Total grant date fair value of awards granted	$	—	$	5,379
Total grant date fair value of awards vested	$	4,635	$	—

Market-based restricted stock units:
Total grant date fair value of awards granted	$	8,443	$	4,176
Total grant date fair value of awards vested	$	4,132	$	511

The weighted-average assumptions used for market-based restricted stock units in the Monte Carlo simulation during the thirty-nine weeks ended October 31, 2020 and November 2, 2019, respectively, were as follows:


	October 31, 2020			November 2, 2019
Grant date market price	$	12.31		$	25.34
Fair value	$	16.24		$	36.24
Assumptions:
Price volatility	67		%	57		%
Expected term (years)	2.4			2.9
Risk-free interest rate	0.2		%	2.2		%
Dividend yield	—		%	3.2		%
Average volatility of peer companies	66.0		%	40.0		%
Average correlation coefficient of peer companies	0.4967			0.2407


	Number of Underlying Shares	Weighted-Average Exercise Price		Aggregate Intrinsic Value		Weighted-Average Remaining Contractual Life (years)
Outstanding at February 1, 2020	796,725	$	40.06
Granted	—	—
Exercised	—	—
Forfeited or expired	(382,225)	47.87
Outstanding at August 1, 2020	414,500	$	32.86	$	—	3.2
Stock appreciation rights exercisable at October 31, 2020	414,500	$	32.86	$	—	3.2
Stock appreciation rights expected to become exercisable in the future as of October 31, 2020	—	$	—	$	—	0.0

No stock appreciation rights were exercised during the thirty-nine weeks ended October 31, 2020. Additional information pertaining to stock appreciation rights for the thirty-nine weeks ended November 2, 2019 follows: