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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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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- Definition

For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the best estimate at the acquisition date of the contractual cash flows not expected to be collected, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

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- Definition

For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the fair value of the receivables acquired, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

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- Definition

For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

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Acquisitions - Additional Information (Detail) (USD $)	Mar. 31, 2013	Jan. 25, 2013	Mar. 31, 2013 PPC Broadband Inc [Member]	Dec. 10, 2012 PPC Broadband Inc [Member]	Jul. 31, 2012 Miranda Technologies Inc [Member]
Business Acquisition [Line Items]
Amount paid for additional shares acquired		$ 9,100,000			$ 374,700,000
Percentage of outstanding shares acquired				100.00%
Amount paid for additional shares acquired				522,392,000
Fair value of acquired receivables	27,100,000
Acquired receivable, gross contractual amount	27,700,000
Amount of acquired receivables not expected to be collected	600,000
Goodwill acquired			$ 277,000,000