Income Taxes - Reconciliation of the Beginning and Ending Balances of the Total Amounts of Uncertain Tax Positions (Detail) - USD ($) $ in Thousands	12 Months Ended
Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Income Tax Disclosure [Abstract]
Gross uncertain tax positions at the beginning of the year	$ 2,620	$ 2,630	$ 4,950
Increase as a result of tax positions taken during a prior period	0	0	55
Decrease as a result of tax positions taken during a prior period	0	0	(33)
Increase as a result of tax positions taken in the current period	547	498	578
Reduction as a result of the expiration of the applicable statute of limitations	(534)	(508)	(2,920)
Gross uncertain tax positions at the end of the year	$ 2,633	$ 2,620	$ 2,630

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- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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- Definition

Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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