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Acquisitions - Schedule of Proforma Financial Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Acquisitions [Line Items]
Net revenue	$ 73,319	$ 92,041	$ 151,945	$ 197,399
Net income	$ (63,355)	$ 2,642	$ (64,742)	$ 7,320
Basic net income per share	$ (1.53)	$ 0.06	$ (1.51)	$ 0.15
Diluted net income per share	$ (1.53)	$ 0.06	$ (1.51)	$ 0.15

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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