Legal Proceedings - Additional Information (Details)	1 Months Ended		12 Months Ended
	Feb. 28, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jan. 30, 2021 USD ($) Well	Feb. 01, 2020 USD ($)	Feb. 02, 2019 USD ($)	Apr. 30, 2015 USD ($)
Loss Contingencies [Line Items]
Number of water supply wells | Well			2
Amount related to outstanding environmental contingencies			$ 1,500,000	$ 1,500,000	$ 1,800,000
Pretax accrual charges for environmental contingencies included in loss from discontinued operations			300,000	$ 400,000	$ 700,000
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
Minimum
Loss Contingencies [Line Items]
Historical cost associated with enhanced treatment required by the impact of groundwater plume			1,800,000
Maximum
Loss Contingencies [Line Items]
Historical cost associated with enhanced treatment required by the impact of groundwater plume			2,500,000
Environmental Monitoring, Operation and Maintenance Activities | Minimum
Loss Contingencies [Line Items]
Estimated possible loss			1,700,000
Environmental Monitoring, Operation and Maintenance Activities | Maximum
Loss Contingencies [Line Items]
Estimated possible loss			2,000,000.0
EPA Interim Oversight Costs
Loss Contingencies [Line Items]
Estimated possible loss			$ 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