Fair Value Measurements (Schedule of Valuation of Financial Assets and Liabilities) (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012		Jun. 30, 2011
Fair Value Measurements [Line Items]
Contingent consideration	$ 1,779	[1]	$ 974	[2]
Accrued Expenses [Member]
Fair Value Measurements [Line Items]
Contingent consideration			68
Long-term Liabilities [Member]
Fair Value Measurements [Line Items]
Contingent consideration			$ 906

[1] Included in "Long-term liabilities" in the accompanying Consolidated Balance Sheet as of June 30, 2012.

[2] $68 included in "Accrued expenses" and $906 included in Long-term liabilities in the accompanying Consolidated Balance Sheet as of June 30, 2011.