Accounts Payable and Accrued Expenses (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Accounts Payable and Accrued Liabilities, Current [Abstract]
Trade accounts payable	$ 262.6	$ 256.7
Accrued marketing and promotion costs	142.0	123.7
Accrued wages and related benefit costs	37.3	67.0
Other accrued current liabilities	48.5	47.7
Total	$ 490.4	$ 495.1