Legal Proceedings and Other Matters (Details)		1 Months Ended		3 Months Ended			6 Months Ended
	May 19, 2017 employee	Feb. 28, 2017 USD ($)	Jun. 30, 2016 USD ($)	Aug. 03, 2019 USD ($) Well	May 04, 2019 USD ($)	Aug. 04, 2018 USD ($)	Aug. 03, 2019 USD ($) Well	Aug. 04, 2018 USD ($)	Aug. 05, 2019 USD ($)	Feb. 02, 2019 USD ($)	Apr. 30, 2015 USD ($)
Loss Contingencies [Line Items]
Number of water supply wells | Well				2			2
Minimum historical cost associated with enhanced treatment required by the impact of groundwater plume							$ 1,800,000
Maximum historical cost associated with enhanced treatment required by the impact of groundwater plume							2,500,000
Amount related to outstanding environmental contingencies				$ 1,700,000		$ 3,000,000.0	1,700,000	$ 3,000,000.0		$ 1,800,000
Pretax accrual charges (gains) for environmental contingencies included in provision for discontinued operations				300,000		$ 300,000	400,000	$ 300,000
Number of claimants | employee	2
Pending Litigation
Loss Contingencies [Line Items]
Payment of attorneys fees and administrative costs							400,000
Village of Garden City, New York
Loss Contingencies [Line Items]
Future operation and maintenance costs							126,400
Amount awarded to other party			$ 10,000,000.0
Chen and Salas vs. Genesco Inc | Pending Litigation | Maximum
Loss Contingencies [Line Items]
Amount awarded to other party							800,000
Environmental Monitoring, Operation and Maintenance Activities | Minimum
Loss Contingencies [Line Items]
Estimated possible loss				1,700,000			1,700,000
Environmental Monitoring, Operation and Maintenance Activities | Maximum
Loss Contingencies [Line Items]
Estimated possible loss				2,000,000.0			2,000,000.0
EPA Interim Oversight Costs
Loss Contingencies [Line Items]
Estimated possible loss				$ 1,250,000			$ 1,250,000
Response Costs Claimed by the EPA
Loss Contingencies [Line Items]
Estimated possible loss											$ 2,200,000
Amount awarded to other party		$ 1,500,000
Estimated recovery percent from settlement		75.00%
Estimated recovery amount from a third party		$ 500,000
Internal Revenue Service (IRS)
Loss Contingencies [Line Items]
Estimate of possible loss					$ 12,300,000
Subsequent Event | Internal Revenue Service (IRS)
Loss Contingencies [Line Items]
ESRP liability									$ 60,750