Deferred Tax Assets and Deferred Tax Liabilities (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred Income Tax Assets And Liabilities [Line Items]
Employee benefits	$ 153.6	$ 143.6
Inventory	9.9us-gaap_DeferredTaxAssetsInventory	4.5us-gaap_DeferredTaxAssetsInventory
Receivables and rebates	30.0	26.8
Accrued expenses	232.0	119.6
Loss carryforwards and credits	76.5	100.3
Other	0us-gaap_DeferredTaxAssetsOther	0.7us-gaap_DeferredTaxAssetsOther
Gross deferred tax assets	502.0us-gaap_DeferredTaxAssetsGross	395.5us-gaap_DeferredTaxAssetsGross
Valuation allowance	(43.9)	(35.1)
Deferred Tax Assets, Net of Valuation Allowance, Total	458.1us-gaap_DeferredTaxAssetsNet	360.4us-gaap_DeferredTaxAssetsNet
Intangibles	334.5	362.7
Accelerated depreciation	21.1	17.7
Receivables and other	143.6	59.8
Deferred Tax Liabilities, Net, Total	499.2us-gaap_DeferredTaxLiabilities	440.2us-gaap_DeferredTaxLiabilities
Deferred Tax Assets, Net, Total	$ (41.1)us-gaap_DeferredTaxAssetsLiabilitiesNet	$ (79.8)us-gaap_DeferredTaxAssetsLiabilitiesNet

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Deferred Tax Asset, Receivables and Rebates

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Amount of deferred tax liability attributable to taxable temporary differences related to receivables and those not otherwise separately disclosed.

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- Definition

Deferred Tax Liability Accelerated Depreciation

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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-Publisher FASB

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed.

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- Definition

The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from employee benefit costs not otherwise specified in the taxonomy, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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