Note 6. Intangible Assets and Goodwill (Detail) - Estimated Useful Life of Intangible Assets
3 Months Ended
Sep. 30, 2012
Minimum [Member] | Developed Technology [Member]
 
Finite-lived intangible assets useful life 4 years
Minimum [Member] | Customer Relationships [Member]
 
Finite-lived intangible assets useful life 9 years
Minimum [Member] | Trade Names [Member]
 
Finite-lived intangible assets useful life 5 years
Maximum [Member] | Developed Technology [Member]
 
Finite-lived intangible assets useful life 7 years
Maximum [Member] | Customer Relationships [Member]
 
Finite-lived intangible assets useful life 10 years
Maximum [Member] | Trade Names [Member]
 
Finite-lived intangible assets useful life 7 years