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Stock-Based Compensation (Performance Awards) (Narrative) (Detail) (Performance Awards [Member], USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Apr. 02, 2011	Dec. 29, 2012 Y	Dec. 31, 2011	Jan. 01, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Performance period for awards granted (in years)		3
Weighted-average grant date fair value granted		60.00	55.97	41.01
Performance awards shares paid out		53,990	0	0
Performance share awards vested		213,000	54,208	0
Unrecognized compensation cost related to non-vested award		14.1
Cost expected to be recognized over weighted-average period in years		1 year 7 months 6 days
Restricted Stock Units [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Performance period for awards granted (in years)		1
Awards granted vesting period (in years)		2
Shares granted		95,047	159,970	169,921
Shares vested	2,706
Units granted vesting date		2014	2013	2012
2001 Incentive Stock And Awards Plan [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Weighted average contractual term (in years)		3
Maximum stock percentage to be awarded		100.00%

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901



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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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