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Subsequent Events (Detail) (Subsequent Event, PDI Ninth House, USD $) In Millions, unless otherwise specified	1 Months Ended
	Jun. 25, 2013
Subsequent Event | PDI Ninth House
Subsequent Event [Line Items]
Acquisition, contingent consideration	$ 15.0

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- Definition

Payments Of Contingent Consideration For Business Acquisitions

+ References

No definition available.

+ Details

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Period Type:	duration

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- Details

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