Discontinued Operation Gross Cash Proceeds Received From Sale Of Business

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Transition Services Agreements Expense

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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.

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- Definition

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

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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).

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Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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The total of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer, and the aggregate carrying amount of current assets, as of the balance sheet date, not separately presented elsewhere in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

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Amount due from customers for fees and charges arising from transactions related to the entity's brokerage activities and operations.

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Discontinued Operations - Additional Information (Detail) (USD $)			3 Months Ended		1 Months Ended
	Mar. 29, 2013	Dec. 31, 2012	Mar. 29, 2013 HFC business [Member]	Mar. 29, 2013 Aurora [Member]	Mar. 05, 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
Net gain from sale of HFC business					15,000,000
TSA billing to Aurora				328,000
Prepaid expenses and other current assets	28,977,000	23,636,000		1,700,000
Receivables from customers				3,000,000
Accrued liabilities				1,400,000
Payable to third party vendors for purchases				2,900,000
Goodwill impairment loss			0
Carrying value of goodwill based on the fair value	$ 14,547,000		$ 14,547,000