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Acquisitions - Fair Value of Assets Acquired and Liabilities Assumed (Detail) (PPC Broadband Inc [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 10, 2012
PPC Broadband Inc [Member]
Business Acquisition [Line Items]
Cash		$ 6,874
Receivables		27,100
Inventories		45,370
Other current assets		468
Property, plant and equipment		28,020
Goodwill	276,987	276,987
Intangible assets		164,500
Other non-current assets		134
Total assets		549,453
Accounts payable		22,499
Accrued liabilities		3,916
Other long-term liabilities		646
Total liabilities		27,061
Net assets		$ 522,392

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The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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