Commitments and Contingencies - Additional Information (Details)					1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 14, 2021 USD ($) mi	Jun. 30, 2018 site	Mar. 03, 2016 USD ($)	Apr. 11, 2014 USD ($) mi	Oct. 31, 2016 USD ($)	Jun. 30, 2022 USD ($) site mine mi	Mar. 31, 2022 USD ($)	Jun. 30, 2022 USD ($) site potentiallyResponsibleParty mine mi	Dec. 31, 2021 USD ($)	Oct. 18, 2021	Apr. 30, 2015 USD ($)
Site Contingency
Number of sites subject to remediation (sites) | site						19		19
Number of sites, cost in excess of 100K (sites) | site						12		12
Cost per site minimis threshold								$ 100,000
Number of sites, discontinued operations (sites) | site						17		17
Number of sites, active operations (sites) | site						2		2
Number of sites, investigation completed (sites) | site						16		16
Number of sites investigation in progress (sites) | site						3		3
Environmental loss accrual						$ 45,200,000		$ 45,200,000	$ 46,600,000
Environmental						17,100,000		17,100,000	$ 11,300,000
Estimated insurance recoveries						25,000,000		25,000,000
Insurance recoveries to date								22,000,000
Estimated recovery for non-GST Trust claimants						10,000,000		10,000,000
Threshold of recovery before shared in trust						3,000,000		$ 3,000,000
Lower Passaic River
Site Contingency
Portion of site subject to remediation (miles) | mi				8
Number of other potentially responsible parties		120						70
Estimate of cost											$ 726,000,000
Estimate low end					$ 165,000,000
Estimated development time					4 years
Upper nine miles of the river
Site Contingency
Portion of site subject to remediation (miles) | mi	9
Site contingency, loss exposure in excess of accrual best estimate	$ 441,000,000
Lower eight miles of river
Site Contingency
Environmental loss accrual						6,600,000		$ 6,600,000
Arizona Uranium Mines
Site Contingency
Environmental loss accrual						$ 13,300,000		$ 13,300,000
Investigative sites notice from EPA | mine						8		8
Percentage of expenses reimbursable by the U.S.										35.00%
Future contributions from U.S.						$ 3,400,000		$ 3,400,000
Minimum | Lower Passaic River
Site Contingency
Site contingency, loss exposure in excess of accrual best estimate			$ 1,380,000,000	$ 953,000,000
Maximum | Lower Passaic River
Site Contingency
Site contingency, loss exposure in excess of accrual best estimate			$ 1,730,000,000
Asbestos Issue
Site Contingency
Insurance coverage received payment							$ 2,200,000
Other expenses						2,800,000
Insurance receivable						2,400,000		2,400,000
Asbestos Issue | Other Current Assets
Site Contingency
Insurance receivable						$ 1,000,000		$ 1,000,000
Affiliated Entity | Crucible Steel Corporation
Site Contingency
Number of sites subject to remediation (sites) | site						19		19
Portion of site subject to remediation (miles) | mi						17		17