Deferred Tax Assets and Deferred Tax Liabilities (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred Income Tax Assets And Liabilities [Line Items]
Employee benefits	$ 143.6	$ 169.9
Receivables and rebates	26.8	24.1
Accrued expenses	59.8	34.7
Loss carryforwards and credits	100.3	112.5
Other	5.2	0
Gross deferred tax assets	335.7	341.2
Valuation allowance	(35.1)	(32.5)
Deferred Tax Assets, Net of Valuation Allowance, Total	300.6	308.7
Intangibles	362.7	252.4
Accelerated depreciation	17.7	25.8
Other	0	3.9
Deferred Tax Liabilities, Net, Total	380.4	282.1
Deferred Tax Assets, Net, Total	$ (79.8)	$ 26.6