Expenses incurred under bonus and profit sharing arrangements.

No definition available.

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- Definition

Defined Contribution Plan Employee Eligibility Age

+ References

No definition available.

+ Details

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- Definition

Number of participants that received awards associated with the annual bonus program.

+ References

No definition available.

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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

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

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ 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 (d)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Employee Benefit Plans - Additional Information (Detail)	1 Months Ended		12 Months Ended
	Feb. 29, 2016 Employee $ / shares shares	Feb. 28, 2015 Employee $ / shares shares	Dec. 31, 2016 USD ($) Age shares	Jan. 02, 2016 USD ($)	Jan. 31, 2015 USD ($)	Jan. 03, 2015 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Defined contribution retirement plan, employee eligibility age \| Age			18
Cash contributions			$ 310,000	$ 0		$ 0
Annual incentive plan stock awards granted \| shares			422,500
Defined bonus plan, charges to expenses			$ 295,000	219,000	$ 22,000
Equity-based compensation			3,744,000	3,620,000		3,000,000
Restricted Stock Units (RSUs)
Defined Benefit Plan Disclosure [Line Items]
Number of participants in restricted stock grants awarded \| Employee	34	29
Annual incentive plan stock awards granted \| shares	266,000	133,000
Weighted-average fair value of grants per share \| $ / shares	$ 4.40	$ 6.85
Equity-based compensation			$ 2,190,000	$ 1,711,000		$ 1,464,000
Annual Incentive Plan \| Restricted Stock Units (RSUs)
Defined Benefit Plan Disclosure [Line Items]
Award, vesting period			1 year	1 year	1 year
Equity-based compensation			$ 490,000	$ 324,000	$ 554,000