Income Taxes (Narrative) (Detail) - USD ($) $ in Millions	3 Months Ended
Apr. 01, 2016	Apr. 03, 2015	Jan. 01, 2016
Income Tax Contingency [Line Items]
Effective income tax rate	33.00%	23.00%
Statutory federal income tax rate	35.00%	35.00%
Unrecognized tax benefits that would impact effective tax rate	$ 56.0		$ 52.7
Unrecognized tax benefit liabilities include interest and penalties	7.7		$ 6.7
Tax Year 2010 and 2011 [Member] \| Internal Revenue Service (IRS) [Member]
Income Tax Contingency [Line Items]
Proposed Adjustments on Income Tax Assessments	$ 67.0

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
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 740
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Estimated amount of loss resulting from an adverse tax position.

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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.

+ References

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

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