Income Taxes - Additional information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 52.8	$ 41.1	$ 105.5	$ 79.0
Effective tax rate	26.20%	23.70%	28.50%	24.70%
Consolidated income before provision for income taxes	201.4	173.5	370.7	320.3
Tax benefits related to restructuring charges			22.1	20.2
Tax benefits related to audit settlements			11.3
U.S. federal statutory income tax rate			35.00%	35.00%
Tax benefit related to reversal of full valuation allowance				$ 15.8

Tax benefits related to debt redemption costs, restructuring charges and various other items.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.

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