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Payout Percentage of ROIC Awards (Detail) - Performance Contingent Return On Invested Capital Shares	12 Months Ended
	Dec. 29, 2018
2014 Award | Fiscal 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout percentage	96.00%
2015 Award | Fiscal 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout percentage	87.00%
2016 Award | Fiscal 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout percentage	70.00%

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- Definition

Share-based compensation arrangement by Share-based payment award payout percentage.

+ 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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