Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

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

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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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.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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Acquisitions (Details)	6 Months Ended			0 Months Ended	6 Months Ended			6 Months Ended
Acquisitions (Details)	Jun. 28, 2014 USD ($)	Jun. 29, 2013 USD ($)	Dec. 28, 2013 USD ($)	Dec. 30, 2013 Radiance [Member] USD ($)	Jun. 28, 2014 Radiance [Member] USD ($)	Dec. 30, 2013 Radiance [Member] USD ($)	Dec. 30, 2013 Radiance [Member] EUR (€)	Jun. 28, 2014 Prior Acquisition [Member] USD ($)
Business Acquisition [Line Items]
Cash Paid to Acquire Entity	$ 3,444,000	$ 15,332,000		$ 2,627,000				$ 817,000
Cash Acquired						674,000
Debt Assumed						53,000
Identifiable intangible assets acquired					1,800,000
Weighted average useful life of acquired intangible assets					12 years
Non-Tax deductible goodwill acquired	134,098,000		131,915,000		1,590,000
Business Acquisition, Contingent Consideration, Potential Cash Payment						$ 1,362,000	€ 1,000,000