Performance Contingent TSR Shares (Detail) - Total Shareholders Return - Omnibus Plan - $ / shares shares in Thousands	12 Months Ended
Dec. 30, 2017	Jan. 02, 2016
Grant Date First January Twenty Seventeen
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	426
Assumed vesting date	Mar. 01, 2019
Fair value per share	$ 23.31
Grant Date Third January Twenty Sixteen
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted		401
Assumed vesting date		Feb. 21, 2018
Fair value per share		$ 24.17

Share based compensation arrangement by share based payment award vesting date.

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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

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- Definition

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.

+ References

No definition available.

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