Goodwill and Intangible Assets, Net - Schedule of Changes in Carrying Amount of Goodwill (Detail) $ in Thousands	6 Months Ended
	Dec. 31, 2016 USD ($)
Goodwill [Line Items]
Goodwill, Beginning balance	$ 1,510,279
Acquisitions and adjustments	(105)
Other adjustments	(9,675)
Goodwill, Ending balance	1,500,499
Previously Reported [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	1,510,279
Connected Car [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	164,771
Acquisitions and adjustments	(100)
Other adjustments	(4,936)
Goodwill, Ending balance	159,735
Connected Car [Member] | Previously Reported [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	164,771
Lifestyle Audio [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	157,600
Other adjustments	(1,628)
Goodwill, Ending balance	155,972
Lifestyle Audio [Member] | Previously Reported [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	147,977
Lifestyle Audio [Member] | Realignment adjustments [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	9,623
Professional Solutions [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	385,609
Acquisitions and adjustments	(5)
Other adjustments	(756)
Goodwill, Ending balance	384,848
Professional Solutions [Member] | Previously Reported [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	385,609
Connected Services [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	802,299
Other adjustments	(2,355)
Goodwill, Ending balance	799,944
Connected Services [Member] | Previously Reported [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	811,922
Connected Services [Member] | Realignment adjustments [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	$ (9,623)