Discontinued Operation Gross Cash Proceeds Received From Sale Of Business

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- Definition

Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

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-Subparagraph (b)

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- Definition

For the disposal group, including a component of the entity (discontinued operation), carrying amount of goodwill (adjusted for any amortization recognized prior to adoption of FAS 142 and impairment charges).

+ References

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

-Publisher FASB

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-Topic 205

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-Section 50

-Paragraph 1

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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-Paragraph 28

-Subparagraph (b)

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-Publisher FASB

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

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Discontinued Operations - Additional Information (Detail) (USD $)	3 Months Ended				1 Months Ended	3 Months Ended
	Mar. 28, 2014	Mar. 29, 2013 segment	Mar. 28, 2014 HFC business [Member]	Mar. 29, 2013 HFC business [Member]	Mar. 05, 2013 Aurora [Member] HFC business [Member]	Mar. 29, 2013 Aurora [Member] HFC business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross proceeds from sale of cable access HFC business				$ 46,000,000	$ 46,000,000
Gain on disposal, net of taxes	0	14,956,000		14,956,000		15,000,000
Number of reporting units (in segment)		1
Carrying value of goodwill based on the fair value				14,547,000
Goodwill impairment				0
Operating Income (Loss)	$ (7,222,000)	$ (14,867,000)	$ 0