Stock-Based Compensation - Summary of Allocation of Stock-Based Compensation Expense in Condensed Consolidated Statements of Earnings (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 06, 2018	Oct. 07, 2017	Oct. 06, 2018	Oct. 07, 2017
Employee Service Share Based Compensation Aggregate Disclosures [Abstract]
Restricted stock	$ 773	$ 1,103	$ 7,040	$ 8,593
Tax benefits	(166)	(439)	(1,095)	(3,149)
Stock-based compensation expense, net of tax	$ 607	$ 664	$ 5,945	$ 5,444

The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

No definition available.

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- References

No definition available.

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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