Stock-Based Awards (Tables)

12 Months Ended

Jan. 25, 2020

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock-based Compensation Expense and Related Tax Benefit Recognized

Stock-based compensation expense and the related tax benefit recognized during fiscal 2020, fiscal 2019, the 2018 transition period, and fiscal 2017 were as follows (dollars in thousands):

	Fiscal Year Ended				Six Months Ended		Fiscal Year Ended
	January 25, 2020		January 26, 2019		January 27, 2018		July 29, 2017
Stock-based compensation	$	10,034	$	20,187	$	13,277	$	20,805
Income tax effect of stock-based compensation	$	2,482	$	5,043	$	4,793	$	7,996

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The following table summarizes the valuation of stock options and restricted share units granted during fiscal 2020, fiscal 2019, the 2018 transition period, and fiscal 2017 and the significant valuation assumptions:

	Fiscal Year Ended						Six Months Ended			Fiscal Year Ended
	January 25, 2020			January 26, 2019			January 27, 2018			July 29, 2017
Weighted average fair value of RSUs granted	$	48.37		$	97.90		$	87.34		$	79.04
Weighted average fair value of Performance RSUs granted	$	45.94		$	106.19		$	84.13		$	79.29
Weighted average fair value of stock options granted	$	24.72		$	48.19		$	42.60		$	39.90
Stock option assumptions:
Risk-free interest rate	2.3		%	2.7		%	2.3		%	2.3		%
Expected life (in years)	8.4			6.3			7.6			7.6
Expected volatility	45.3		%	43.3		%	43.4		%	44.7		%
Expected dividends	—			—			—			—

Schedule of Share-based Compensation, Stock Options Award Activity

The following table summarizes stock option award activity during fiscal 2020:

	Stock Options
	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (In years)	Aggregate Intrinsic Value (In thousands)
Outstanding as of January 26, 2019	583,291		$	34.24
Granted	39,276		$	45.94
Options exercised	(45,258	)	$	11.11
Canceled	—		$	—
Outstanding as of January 25, 2020	577,309		$	36.85	4.1	$	9,485
Exercisable options as of January 25, 2020	497,739		$	31.44	3.4	$	9,485

Schedule of Share-based Compensation, RSU and Performance RSU Activity

The following table summarizes RSU and Performance RSU award activity during fiscal 2020:

	Restricted Stock
	RSUs				Performance RSUs
	Share Units		Weighted Average Grant Price		Share Units		Weighted Average Grant Price
Outstanding as of January 26, 2019	126,470		$	87.92	377,354		$	96.51
Granted	117,492		$	48.37	475,629		$	45.94
Share units vested	(66,485	)	$	79.06	(75,404	)	$	88.24
Forfeited or canceled	(2,560	)	$	65.55	(137,841	)	$	83.94
Outstanding as of January 25, 2020	174,917		$	65.05	639,738		$	62.60