Performance-Contingent Restricted Stock Activity (Detail) - Performance Contingent Restricted Stock - $ / shares shares in Thousands	12 Months Ended
Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Number of Shares
Number of Shares, Balance at beginning of period	1,543	1,349	1,404
Number of Shares, Initial grant	855	801	829
Number of Shares, Vested	(329)	(312)	(853)
Number of Shares, Forfeitures	(67)	(32)	(83)
Number of shares, Balance at end of period	1,575	1,543	1,349
Weighted Average Fair Value
Weighted Average Fair Value, Balance at beginning of period	$ 21.53	$ 21.26	$ 19.09
Weighted Average Fair Value, Initial grant	21.61	22.83	20.18
Weighted Average Fair Value, Vested	19.14	22.02	16.22
Weighted Average Fair Value, Forfeitures	21.08	23.60	20.99
Weighted Average Fair Value, Balance at end of period	$ 22.20	$ 21.53	$ 21.26
Performance Contingent Return On Invested Capital Shares
Number of Shares
Number of Shares, Supplemental grant for exceeding modifier			100
Number of Shares, Grant reduction for not achieving the modifier	(49)	(249)
Weighted Average Fair Value
Weighted Average Fair Value, Supplemental grant for exceeding ROIC modifier			$ 14.37
Weighted Average Fair Value, Grant reduction for not achieving the modifier	$ 19.14	$ 23.97
Performance Contingent Total Shareholders Return Shares
Number of Shares
Number of Shares, Grant reduction for not achieving the modifier	(378)	(14)	(48)
Weighted Average Fair Value
Weighted Average Fair Value, Grant reduction for not achieving the modifier	$ 21.21	$ 21.47	$ 17

The additional number of shares issued from exceeding the performance condition.

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Share based compensation arrangement by share based payment award equity instruments other than options canceled in period.

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- Definition

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

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options weighted average fair value supplemental grant.

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No definition available.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited 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)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ 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)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&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=96867065&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=96867065&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=96867065&loc=d3e5070-113901

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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=96867065&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

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-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=96867065&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.

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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=96867065&loc=d3e5070-113901

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