Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Goodwill - Additional Information (Detail)

Intangible Assets and Goodwill - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Developed technology \| Cost of Sales
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets	$ 742,000	$ 750,000	$ 2,300,000	$ 2,300,000
Trade Names Customer Relationships and Noncompete Agreement \| Selling, General and Administrative Expense
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets	$ 516,000	$ 518,000	$ 1,600,000	$ 1,600,000

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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