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Intangible Assets (Detail) (USD $)
In Thousands
Sep. 30, 2011
Jun. 30, 2011
Finite-Lived Intangible Assets [Line Items]  
Developed technology$ 29,230$ 29,943
Trade names17,82018,021
Customer relationships8,6888,781
Non-compete agreement400400
Finite-Lived Intangible Assets, Gross, Total56,13857,145
Accumulated amortization6,1084,863
Intangible assets, net$ 50,030$ 52,282