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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 other assets expected to be realized or consumed before 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 liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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

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Acquisitions - Fair Value of Assets Acquired and Liabilities Assumed (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 PPC Broadband Inc [Member]	Dec. 10, 2012 PPC Broadband Inc [Member]
Business Acquisition [Line Items]
Cash				$ 6,874
Receivables				27,082
Inventories				45,370
Other current assets				468
Property, plant and equipment				28,020
Goodwill	772,014	778,708	277,005	277,005
Intangible assets				164,500
Other non-current assets				134
Total assets			441,505	549,453
Accounts payable				22,499
Accrued liabilities				3,916
Other long-term liabilities				646
Total liabilities				27,061
Net assets				$ 522,392