Debt (Summary of Quarterly Installments of Term Loans) (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2015
Installments 1 through 4
Debt Instrument [Line Items]
Periodic installment amount	$ 2,000
Installments 5 through 8
Debt Instrument [Line Items]
Periodic installment amount	2,500
Installments 9 through 12
Debt Instrument [Line Items]
Periodic installment amount	3,000
Installments 13 through 16
Debt Instrument [Line Items]
Periodic installment amount	4,000
Installments 17 through 19
Debt Instrument [Line Items]
Periodic installment amount	$ 6,000