ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Reconciliation of beginning and ending amount of unrecognized tax benefits [Roll Forward]
Gross unrecognized tax benefits beginning of year	$ 1,793	$ 1,923	$ 1,531
Increase in tax positions for prior years	0	0	230
Increase in tax positions for current year	754	556	481
Settlements with taxing authorities	0	0	0
Lapse in statute of limitations	(338)	(686)	(319)
Gross unrecognized tax benefits end of year	2,209	1,793	1,923
Income tax penalties and interest accrued	$ 200	$ 200	$ 200

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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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

+ Details

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- Definition

Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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- Definition

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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