Fair Value Measurements - Additional Information (Detail) (USD $)	9 Months Ended	0 Months Ended			3 Months Ended
	Mar. 31, 2015	Mar. 31, 2015	Feb. 26, 2015	Jun. 17, 2014	Mar. 31, 2015
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
Red Bend Ltd. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Acquisition earn-out contingent payable	30,000,000	30,000,000			30,000,000
Preliminary value of contingent consideration		22,400,000	22,400,000
Yurbuds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Acquisition earn-out contingent payable				3,700,000
Preliminary value of contingent consideration				6,200,000
Contingent consideration liability	6,200,000				6,200,000
IPSG/VFX [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability	7,700,000				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