Other Assets and Liabilities - Additional Information (Detail) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Other Assets And Liabilities [Abstract]
Receivables related to supplier allowances included Accounts receivable	$ 84.3	$ 90.8
Current and non-current prepaid customer rebates, net of allowances included in Other current assets and Other long-term assets	53.8	40.7
Accrued customer rebates included in Accrued liabilities	$ 43.6	$ 49.2

Carrying value as of the balance sheet date of obligations incurred through that date and payable for the marketing, trade and selling of the entity's goods and services. Marketing costs would include expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services; costs of public relations and corporate promotions; and obligations incurred and payable for sales discounts, rebates, price protection programs, etc. offered to customers and under government programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

No definition available.

Name:	us-gaap_AccruedMarketingCostsCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant