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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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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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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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Note 2 - Acquisition of Business (Details) - Final Purchase Price Allocation (USD $) In Thousands, unless otherwise specified	Mar. 28, 2015	Dec. 27, 2014	Jan. 03, 2014
Note 2 - Acquisition of Business (Details) - Final Purchase Price Allocation [Line Items]
Goodwill	$ 190,804us-gaap_Goodwill	$ 196,256us-gaap_Goodwill
SymCom, Inc. [Member] \| Trademarks [Member]
Note 2 - Acquisition of Business (Details) - Final Purchase Price Allocation [Line Items]
Amortizable intangible assets			17,020
SymCom, Inc. [Member] \| Patents [Member]
Note 2 - Acquisition of Business (Details) - Final Purchase Price Allocation [Line Items]
Amortizable intangible assets			1,500
SymCom, Inc. [Member]
Note 2 - Acquisition of Business (Details) - Final Purchase Price Allocation [Line Items]
Cash			325
Current assets, net			9,154
Property, plant and equipment			11,193
Goodwill			15,018
Other non-current assets			20
Current liabilities			(1,137)
			$ 53,093