Basis of Presentation - Schedule of Revision of Balance Sheet (Detail) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Receivables, less allowance for doubtful accounts	$ 1,303.4	$ 1,417.6	$ 1,267.0
Inventories	324.4	416.8	401.7
Accounts payable	$ 812.3	$ 1,094.7	886.4
As Reported
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Receivables, less allowance for doubtful accounts			1,301.5
Inventories			392.4
Accounts payable			911.6
Adjustments
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Receivables, less allowance for doubtful accounts			(34.5)
Inventories			9.3
Accounts payable			$ (25.2)

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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No definition available.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

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The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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