Acquisition (Purchase Price Allocation) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended	3 Months Ended
Jan. 02, 2015	Jan. 02, 2015	Mar. 28, 2014
Business Acquisition [Line Items]
Bargain purchase gain on acquisition	$ 3,015
Technolab International Corporation [Member]
Business Acquisition [Line Items]
Total consideration		3,000	3,000
Cash	522	522
Accounts receivable	1,346	1,346
Total current assets acquired	1,868	1,868
Intangible assets	7,749	7,749
Total assets acquired	9,617	9,617
Accrued expenses and other liabilities	1,711	1,711
Deferred tax liability	1,891	1,891
Total liabilities acquired	3,602	3,602
Net assets identifiable assets	6,015	6,015
Bargain purchase gain on acquisition		$ 3,015

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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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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 assets acquired at the acquisition date.

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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 due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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

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

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