Summary of Significant Accounting Policies - Disaggregation of revenue from contracts with customers (Details)	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Disaggregation of revenue from contracts with customers
Net sales (as a percent)	100.00%	100.00%	100.00%
Camping
Disaggregation of revenue from contracts with customers
Net sales (as a percent)	14.40%	14.20%	15.10%
Clothing
Disaggregation of revenue from contracts with customers
Net sales (as a percent)	9.30%	8.90%	9.30%
Fishing
Disaggregation of revenue from contracts with customers
Net sales (as a percent)	11.10%	10.60%	10.70%
Footwear
Disaggregation of revenue from contracts with customers
Net sales (as a percent)	7.50%	7.30%	7.40%
Hunting and Shooting
Disaggregation of revenue from contracts with customers
Net sales (as a percent)	49.10%	48.30%	48.70%
Optics, Electronics, Accessories, and Other
Disaggregation of revenue from contracts with customers
Net sales (as a percent)	8.60%	10.70%	8.80%