Subsequent Events (Details) - Subsequent Event - Scenario, Forecast $ in Millions	2 Months Ended
Jun. 30, 2019 USD ($)
Disposal Group, Held-for-sale, Not Discontinued Operations \| Harsco Industrial Air-X-Changers Business
Subsequent Event [Line Items]
Selling price	$ 592
Clean Earth
Subsequent Event [Line Items]
Acquisition price	$ 625

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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