Summary of Significant Accounting Policies - Insurance (Details) - USD ($)		3 Months Ended
	May 01, 2020	Mar. 31, 2020
Insurance Disclosures [Line Items]
Employer's liability claims subject to deductible per occurrence		$ 1,000,000.0
Worker's compensation claims per occurrence		5,000,000.0
Auto liability insurance claims deductible		10,000,000.0
General liability insurance claims deductible		10,000,000
Employee health care benefit plans subject to deductible per claimant		$ 800,000
Subsequent Event
Insurance Disclosures [Line Items]
Employer's liability claims subject to deductible per occurrence	$ 5,000,000.0
Auto liability insurance claims deductible	15,000,000.0
General liability insurance claims deductible	$ 15,000,000