Income Taxes (Narrative) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Oct. 03, 2014	Sep. 27, 2013	Oct. 03, 2014	Sep. 27, 2013	Jan. 03, 2014
Income Tax Contingency [Line Items]
Effective income tax rate	(66.00%)	14.00%	19.00%	15.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount	$ 51.3
Unrecognized tax benefit liabilities include interest and penalties	4.5		4.5		3.6
Statutory federal income tax rate	35.00%			35.00%
Unrecognized tax benefits that would impact effective tax rate	$ 44.5		$ 44.5		$ 38.1

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

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-Publisher FASB

-Name Accounting Standards Codification

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-Section S99

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

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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 other nondeductible expenses.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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