Stock Repurchase Program - Summary of Stock Repurchases (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Oct. 27, 2019	Oct. 27, 2019	Oct. 28, 2018	Oct. 27, 2019	Oct. 28, 2018
Equity, Class of Treasury Stock [Line Items]
Shares repurchased under the stock repurchase program, value	$ 310,200	$ 22,526	$ 30,000	$ 42,636	$ 79,739
Shares repurchased under the stock repurchase program
Equity, Class of Treasury Stock [Line Items]
Shares repurchased under the stock repurchase program, shares		477,262	536,680	925,743	1,677,433
Shares repurchased under the stock repurchase program, value		$ 22,526	$ 30,000	$ 42,636	$ 79,738