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Discontinued Operations (Details) (USD $) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 30, 2013 | Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011 | Jan. 16, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Business Acquisition, Cost of Acquired Entity, Purchase Price |  |  |  |  | $ 70,200,000
Accounts and Notes Receivable, Net |  | 14,866,666 | 0 |  | 14,800,000
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] |  |  |  |  |
Income from discontinued operations, net of tax |  | 20,147,532 | 2,789,048 | 9,713,059 |
Assets |  |  |  |  |
Total current assets held for sale |  | 0 | 21,573,729 |  |
Total noncurrent assets held for sale |  | 0 | 29,145,732 |  |
Liabilities |  |  |  |  |
Total current liabilities held for sale |  | 0 | 7,102,895 |  |
Total noncurrent liabilities held for sale |  | 0 | 623,979 |  |
III-V product line including all outstanding equity interest in KTC Wireless, LLC |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Aggregate purchase price |  |  |  |  | 75,000,000
Proceeds received from divestiture | 55,200,000 |  |  |  |
Consideration to be paid on the third anniversary of the Closing Date |  |  |  |  | 15,000,000
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] |  |  |  |  |
Net sales and other operating revenues |  | 2,300,000 | 58,800,000 | 66,500,000 |
Income from operations before income taxes |  | (200,000) | 4,500,000 | 5,900,000 |
Provision for income taxes on operations |  | 0 | (1,700,000) | 3,800,000 |
Income from operations, net of tax |  | (200,000) | 2,800,000 | 9,700,000 |
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax |  | 20,400,000 | 0 | 0 |
Income from discontinued operations, net of tax |  | 20,200,000 |  |  |
Disposal Group, Including Discontinued Operation, Allowance for Doubtful Accounts Receivable |  | 100,000 |  |  |
Assets |  |  |  |  |
Cash and equivalents |  | 2,400,000 |  |  |
Accounts receivable, net of allowance of $0.1 million |  | 7,600,000 |  |  |
Accounts receivable from unconsolidated affiliates |  | 600,000 |  |  |
Inventory |  | 10,600,000 |  |  |
Prepaid taxes |  | 200,000 |  |  |
Prepaid expenses and other current assets |  | 200,000 |  |  |
Total current assets held for sale |  | 21,600,000 |  |  |
Property, plant and equipment, net |  | 25,700,000 |  |  |
Deferred tax assets |  | 3,300,000 |  |  |
Other assets |  | 100,000 |  |  |
Total noncurrent assets held for sale |  | 29,100,000 |  |  |
Total assets held for sale |  | 50,700,000 |  |  |
Liabilities |  |  |  |  |
Accounts payable |  | 3,700,000 |  |  |
Accrued payroll and expenses |  | 1,800,000 |  |  |
Accrued warranty |  | 200,000 |  |  |
Other accrued liabilities |  | 1,400,000 |  |  |
Total current liabilities held for sale |  | 7,100,000 |  |  |
Total noncurrent liabilities held for sale |  | $ 600,000 |  |  |

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- Definition For the disposal group, including a component of the entity (discontinued operation), the aggregate of amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection and net of any write-downs taken for collection uncertainty on the part of the holder, respectively. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 47 -Subparagraph a -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 For the disposal group, including a component of the entity (discontinued operation), cash includes currency on hand as well as demand deposits with banks or financial institutions. Cash equivalents, excluding items classified as marketable securities, include 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. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 47 -Subparagraph a -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. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7, 8, 9 -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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