Goodwill and Intangible Assets, Net - Schedule of Changes in Carrying Amount of Goodwill (Detail) $ in Thousands	3 Months Ended
	Sep. 30, 2016 USD ($)
Goodwill [Line Items]
Goodwill, Beginning balance	$ 1,510,279
Acquisitions and adjustments	(99)
Other adjustments	1,200
Goodwill, Ending balance	1,511,380
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	1,081
Goodwill, Ending balance	165,752
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	108
Goodwill, Ending balance	157,708
Lifestyle Audio [Member] | Previously Reported [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	147,977
Lifestyle Audio [Member] | Restatement Adjustment
Goodwill [Line Items]
Goodwill, Beginning balance	9,623
Professional Solutions [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	385,609
Acquisitions and adjustments	1
Other adjustments	184
Goodwill, Ending balance	385,794
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	(173)
Goodwill, Ending balance	802,126
Connected Services [Member] | Previously Reported [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	811,922
Connected Services [Member] | Restatement Adjustment
Goodwill [Line Items]
Goodwill, Beginning balance	$ (9,623)