Share Based Compensation - Schedule of Stock Option Outstanding (Detail) shares in Thousands	12 Months Ended
Jan. 02, 2016 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding [Line Items]
Outstanding options, Number of Options \| shares	1,757
Options Outstanding ,Remaining Contractual Life	8 years
Options Outstanding ,Weighted Average Exercise Price	$ 8.50
Options Exercisable, Weighted Average Exercise Price	$ 8.10
Options Exercisable, Number of Options \| shares	670
Range I [Member]
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding [Line Items]
Outstanding options, Exercise price	$ 6.58
Outstanding options, Number of Options \| shares	294
Options Outstanding ,Remaining Contractual Life	6 years 1 month 6 days
Options Outstanding ,Weighted Average Exercise Price	$ 6.58
Options Exercisable, Weighted Average Exercise Price	$ 6.58
Options Exercisable, Number of Options \| shares	294
Range II [Member]
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding [Line Items]
Outstanding options, Exercise price	$ 8.00
Outstanding options, Number of Options \| shares	421
Options Outstanding ,Remaining Contractual Life	8 years 1 month 6 days
Options Outstanding ,Weighted Average Exercise Price	$ 8.00
Options Exercisable, Weighted Average Exercise Price	$ 8.00
Options Exercisable, Number of Options \| shares	3
Range III [Member]
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding [Line Items]
Outstanding options, Exercise price	$ 9.00
Outstanding options, Number of Options \| shares	86
Options Outstanding ,Remaining Contractual Life	9 years 2 months 12 days
Options Outstanding ,Weighted Average Exercise Price	$ 9.00
Range IV [Member]
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding [Line Items]
Outstanding options, Exercise price	$ 9.25
Outstanding options, Number of Options \| shares	583
Options Outstanding ,Remaining Contractual Life	9 years 2 months 12 days
Options Outstanding ,Weighted Average Exercise Price	$ 9.25
Range V [Member]
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding [Line Items]
Outstanding options, Exercise price	$ 9.29
Outstanding options, Number of Options \| shares	373
Options Outstanding ,Remaining Contractual Life	7 years 3 months 18 days
Options Outstanding ,Weighted Average Exercise Price	$ 9.29
Options Exercisable, Weighted Average Exercise Price	$ 9.29
Options Exercisable, Number of Options \| shares	373

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding [Line Items]

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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

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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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

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- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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

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- Definition

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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

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- Definition

Weighted average remaining contractual term of outstanding stock options, 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 (e)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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