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Amount paid or received to resolve the preacquisition contingency.

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-Name Staff Accounting Bulletin (SAB)

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In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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The aggregate amount of expenditures for salaries, wages, profit sharing and incentive compensation, and other employee benefits, including equity-based compensation, and pension and other postretirement benefit expense.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Acquisition (Narrative) (Details) (USD $)	3 Months Ended								12 Months Ended
Acquisition (Narrative) (Details) (USD $)	Jan. 02, 2015	Sep. 26, 2014	Jun. 27, 2014	Mar. 28, 2014	Dec. 27, 2013	Sep. 27, 2013	Jun. 28, 2013	Mar. 29, 2013	Jan. 02, 2015	Dec. 27, 2013	Dec. 28, 2012
Business Acquisition [Line Items]
Purchase price, cash									$ 2,877,000
Bargain purchase gain									3,015,000
Revenue	60,343,000us-gaap_Revenues	60,437,000us-gaap_Revenues	61,052,000us-gaap_Revenues	54,905,000us-gaap_Revenues	52,604,000us-gaap_Revenues	57,916,000us-gaap_Revenues	58,961,000us-gaap_Revenues	54,349,000us-gaap_Revenues	236,737,000us-gaap_Revenues	223,830,000us-gaap_Revenues	222,736,000us-gaap_Revenues
Technolab International Corporation [Member]
Business Acquisition [Line Items]
Contingent consideration				8,000,000
Purchase price	3,000,000			3,000,000
Purchase price, common stock				1,000,000
Acquired intangible assets	7,700,000								7,700,000
Adjustments To Labor and Related Expense	9,000,000
Compensation expense									4,300,000
Deferred tax liability	1,891,000								1,891,000
Bargain purchase gain	3,015,000
Revenue									10,300,000
Contribution before depreciation, amortization, interest, corporate overhead allocation and taxes									$ 3,300,000
Minimum [Member] \| Technolab International Corporation [Member]
Business Acquisition [Line Items]
Amortization period									2 years
Maximum [Member] \| Technolab International Corporation [Member]
Business Acquisition [Line Items]
Amortization period									5 years