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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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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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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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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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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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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended			3 Months Ended
	Jan. 25, 2013 Softel Limited [Member]	Dec. 10, 2012 PPC Broadband Inc [Member]	Jun. 30, 2013 PPC Broadband Inc [Member]	Jul. 31, 2012 Miranda Technologies Inc [Member]
Business Acquisition [Line Items]
Amount paid for additional shares acquired	$ 9.1	$ 522.4		$ 374.7
Percentage of outstanding shares acquired		100.00%
Fair value of acquired receivables			27.1
Acquired receivable, gross contractual amount			27.7
Amount of acquired receivables not expected to be collected			0.6
Goodwill acquired			$ 277.0