RETIREMENT PLAN. (Details) (USD $)	12 Months Ended
Dec. 29, 2012
RETIREMENT PLAN.
Age requirement for employees to be covered under the defined contribution plan	21 years
Credited service period requirement for employees to be covered under the defined contribution plan	30 days
Retirement plan
Employer's matching contribution before reinstatement (as a percent)	30.00%
Percentage of maximum employee's compensation matched by employer before reinstatement	7.00%
Employer's matching contribution (as a percent)	50.00%
Percentage of maximum employee's compensation matched by employer	4.00%
Expense	$ 184,275
Maximum
Retirement plan
Employee's contribution as a percentage of annual compensation	15.00%
Minimum
Retirement plan
Employee's contribution as a percentage of annual compensation	1.00%

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Represents the period of credited service for which the employees are required to work in order to be eligible under the defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Represents the specified age required for eligibility under the defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of annual compensation that can be contributed by eligible employees to the defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of employees' gross pays for which the employer contributes a matching contribution to a defined contribution plan before reinstatement.

+ References

No definition available.

+ Details

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- Definition

Represents the maximum percentage of employee gross pay, by the terms of the plan that the employer may contribute to a defined contribution plan before reinstatement.

+ References

No definition available.

+ Details

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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=6414718&loc=d3e28014-114942

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 11

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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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.

+ Details

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- Definition

Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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