Share-Based Compensation - Summary of the Activity for Unvested Stock Option Awards (Details) - $ / shares	12 Months Ended
	Jan. 31, 2021	Jan. 26, 2020	Jan. 27, 2019
Number of Shares
Options granted (in shares)	0	0
Weighted Average Exercise Price (per share)
Beginning balance (in dollars per share)	$ 30.26
Options granted (in dollars per share)	0
Options forfeited (in dollars per share)	44.51
Ending balance (in dollars per share)	$ 30.28	$ 30.26
Weighted Average Grant Date Fair Value (per share)
Options granted (in dollars per share)			$ 14.53
Unvested Stock Options Award
Number of Shares
Beginning balance (in shares)	196,000
Options granted (in shares)	0
Options vested (in shares)	(95,000)
Options forfeited (in shares)	(5,000)
Ending balance (in shares)	96,000	196,000
Weighted Average Exercise Price (per share)
Beginning balance (in dollars per share)	$ 41.14
Options granted (in dollars per share)	0
Options vested (in dollars per share)	37.24
Options forfeited (in dollars per share)	43.87
Ending balance (in dollars per share)	44.80	$ 41.14
Weighted Average Grant Date Fair Value (per share)
Beginning balance (in dollars per share)	12.13
Options granted (in dollars per share)	0
Options vested (in dollars per share)	10.84
Options forfeited (in dollars per share)	13.01
Ending balance (in dollars per share)	$ 13.35	$ 12.13