ACCOUNTING POLICIES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenue Recognition
WIC rebate accruals	$ 212.5	$ 205.1
Reduction in revenue due to rebates under the WIC program	751.5	763.0	$ 790.0
Sales return accruals	57.1	52.6
Reduction in sales due to sales returns	$ 94.2	89.8	$ 86.1
Cash and Cash Equivalents
Maximum Term of Original Maturity to Classify Instruments as Cash and Cash Equivalents(months)	3 months
Money market funds, classified as Level Two	$ 1,022.0	510.1
Change in Assumptions for Pension Plans [Member]
Change in Accounting Estimate [Line Items]
Defined Benefit Plan, Interest Cost		$ 2.0