Amount of direct write-downs of accounts receivable charged against the allowance.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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Cash receipts from customers during the current period which are usually for sales of goods and services.

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Changes in Operations Australia - Arrium (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Mar. 31, 2016	Sep. 30, 2018
Arrium Limited [Member]
Proceeds from Customers		$ 0.9
Gain on settlement	$ 0.9			$ 7.3
Australia Operations [Member]
Asset Impairment Charges			$ 13.0
Australia Operations [Member] \| Arrium Limited [Member]
Allowance for Doubtful Accounts Receivable, Write-offs			$ 8.1