Commitments and Contingencies - Additional Information (Detail)	1 Months Ended	3 Months Ended
	Mar. 31, 2019 USD ($) Settlement	Mar. 31, 2019 USD ($) Settlement	Dec. 31, 2018 USD ($)	Mar. 31, 2016 USD ($)
Commitments And Contingencies [Line Items]
Accrued liabilities for environmental matters	$ 183,000	$ 183,000
Percentage of payment of investigation costs agreed by Hallowell Facility		50.00%
Insurance coverage of general liability and auto liability risks	$ 100,000,000	$ 100,000,000
Product liability deductible per claim		$ 250,000
Confidential settlement agreement with family groups | Settlement	3	3
Liability reserve	$ 0	$ 0
Litigation liability paid	$ 18,500,000
Estimated litigation liability			$ 18,450,000
Global Industrial Inc [Member]
Commitments And Contingencies [Line Items]
Estimated litigation liability				$ 0
Leidos Constructors, LLC [Member] | Global Industrial Inc [Member] | Accounts Payable [Member]
Commitments And Contingencies [Line Items]
Claim amount not approved for payment				$ 3,500,000