Fair Value Measurements - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended		0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Jun. 17, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability	$ 0	$ 16,000	$ 866,000	$ 16,000
Selling General and Administrative Expense [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability			1,000,000
Yurbuds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability	6,200,000		6,200,000
Preliminary value of contingent consideration					6,200,000
IPSG/VFX [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Preliminary value of contingent consideration			7,700,000
Duran [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability			1,900,000
Contingent consideration liability previously reported			$ 900,000