Goodwill and Intangible Assets, Net - Schedule of Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Goodwill [Line Items]
Beginning balance	$ 1,287,180	$ 540,952
Acquisitions	150,018	774,641
Contingent purchase price consideration associated with the acquisition of IS	74,540
Other adjustments	(1,459)	(28,413)
Ending balance	1,510,279	1,287,180
Connected Car [Member]
Goodwill [Line Items]
Beginning balance	20,749	17,080
Acquisitions	69,538	10,209
Realignment adjustment		(3,673)
Contingent purchase price consideration associated with the acquisition of IS	74,540
Other adjustments	(56)	(2,867)
Ending balance	164,771	20,749
Lifestyle Audio [Member]
Goodwill [Line Items]
Beginning balance	152,350	137,950
Acquisitions	(3,863)	28,809
Realignment adjustment		(6,738)
Other adjustments	(510)	(7,671)
Ending balance	147,977	152,350
Professional Solutions [Member]
Goodwill [Line Items]
Beginning balance	387,861	385,922
Acquisitions	(2,775)	19,225
Other adjustments	523	(17,286)
Ending balance	385,609	387,861
Connected Services [Member]
Goodwill [Line Items]
Beginning balance	726,220
Acquisitions	87,118	529,367
Realignment adjustment		196,853
Other adjustments	(1,416)
Ending balance	$ 811,922	726,220
Other [Member]
Goodwill [Line Items]
Acquisitions		187,031
Realignment adjustment		(186,442)
Other adjustments		$ (589)