Debt (Schedule of Quarterly Installments of Term Loans) (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2012
Term Loan Installments 1 Through 8 [Member]
Debt Instrument [Line Items]
Periodic installment amount	$ 1,500
Term Loan Installments 9 Through 12 [Member]
Debt Instrument [Line Items]
Periodic installment amount	1,750
Term Loan Installments 13 Through 16 [Member]
Debt Instrument [Line Items]
Periodic installment amount	2,000
Term Loan Installments 17 Through 20 [Member]
Debt Instrument [Line Items]
Periodic installment amount	$ 3,250