Business Segments - Narrative (Detail) - Sales Revenue, Net - Customer Concentration Risk - Customer	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Direct Customers
Concentration Risk [Line Items]
Number of customers representing 10% or more of net sales	0	0	0
McDonalds
Concentration Risk [Line Items]
Number of customers representing 10% or more of net sales		1	1

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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