Stock-Based Compensation Summary of Nonvested Restricted Shares Issued Under Stock Award Plans (Detail) (USD $)	12 Months Ended
Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Restricted stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested shares, Beginning balance	1,930,425	1,398,462	1,491,858
Shares, granted	689,345	744,287	703,348
Shares, vested	(700,543)	(102,724)	(730,434)
Shares, forfeited	(192,045)	(109,600)	(66,310)
Nonvested shares, Ending balance	1,727,182	1,930,425	1,398,462
Weighted-Average Grant Date Fair Value, Beginning balance	$ 18.61	$ 16.58	$ 12.89
Weighted Average Grant Date Fair Value, granted	$ 27.09	$ 22.18	$ 20.14
Weighted-Average Grant Date Fair Value, vested	$ 16.49	$ 15.35	$ 12.51
Weighted-Average Grant Date Fair Value, forfeited	$ 22.39	$ 19.96	$ 16.13
Weighted-Average Grant Date Fair Value, Ending balance	$ 22.44	$ 18.61	$ 16.58
Performance Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested shares, Beginning balance	1,431,000	779,394	1,282,660
Shares, granted	609,335	789,814	401,190
Shares, vested	(244,625)	(28,580)	(872,352)
Shares, forfeited	(304,940)	(109,628)	(32,104)
Nonvested shares, Ending balance	1,490,770	1,431,000	779,394
Weighted-Average Grant Date Fair Value, Beginning balance	$ 20.31	$ 18.93	$ 12.69
Weighted Average Grant Date Fair Value, granted	$ 27.03	$ 21.52	$ 19.89
Weighted-Average Grant Date Fair Value, vested	$ 18.85	$ 13.62	$ 10.63
Weighted-Average Grant Date Fair Value, forfeited	$ 20.27	$ 20.99	$ 12.82
Weighted-Average Grant Date Fair Value, Ending balance	$ 23.30	$ 20.31	$ 18.93

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(3)

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

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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).

+ 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 (c)(2)(iii)(1)

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

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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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

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

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ 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 (c)(2)(i)-(ii)

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

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ 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 (c)(2)(i)-(ii)

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

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ 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 (c)(2)(iii)(2)

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

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ 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 (c)(2)(iii)(2)

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

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Share based compensation arrangement by share based award payment equity instruments other than options forfeited in period weighted average grant date fair value.

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