Revenue Recognition - Summary of Net Sales by Product Type and Services (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2023	Jul. 30, 2022	Jul. 29, 2023	Jul. 30, 2022
Disaggregation Of Revenue [Line Items]
Net sales	$ 1,530,734	$ 1,480,797	$ 3,086,642	$ 2,956,788
Consumables
Disaggregation Of Revenue [Line Items]
Net sales	734,077	687,068	1,497,128	1,372,998
Supplies and companion animals
Disaggregation Of Revenue [Line Items]
Net sales	544,521	600,711	1,098,066	1,199,890
Services and other
Disaggregation Of Revenue [Line Items]
Net sales	$ 252,136	$ 193,018	$ 491,448	$ 383,900