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Employee Benefit Plans - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Profit Sharing Plan
Defined Contribution Plan Disclosure [Line Items]
Employee benefit plans, contribution cost	$ 1,027	$ 733	$ 266
Profit Sharing Plan | Management
Defined Contribution Plan Disclosure [Line Items]
Employee benefit plans, contribution cost	$ 1,915	$ 1,950	$ 1,090
EPSP annualized interest rate, added percentage above prime rate	2.00%
Maximum | Profit Sharing Plan | Management
Defined Contribution Plan Disclosure [Line Items]
EPSP annualized interest rate cap	15.00%
Savings Plan
Defined Contribution Plan Disclosure [Line Items]
Employee benefit plans, employer contribution percentage	6.00%	3.00%	3.00%
Employee benefit plans, contribution cost	$ 1,945	$ 2,454	$ 2,525
Savings Plan | Maximum
Defined Contribution Plan Disclosure [Line Items]
Employee benefit plans, employer matching contribution percentage	50.00%	100.00%	100.00%

X

- Definition

The interest rate used to adjust for the time value of money for the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

+ Details

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X

- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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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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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

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- Definition

Applicable Margin Rate

+ References

No definition available.

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