Goodwill and Intangible Assets, Net - Schedule of Changes in Carrying Amount of Goodwill (Detail) $ in Thousands	9 Months Ended
	Mar. 31, 2016 USD ($)
Goodwill [Line Items]
Beginning balance	$ 1,287,180
Acquisitions and adjustments	141,319
Other adjustments	(2,297)
Ending balance	1,426,202
Previously Reported [Member]
Goodwill [Line Items]
Beginning balance	1,287,180
Connected Car [Member]
Goodwill [Line Items]
Beginning balance	20,749
Acquisitions and adjustments	60,936
Other adjustments	402
Ending balance	82,087
Connected Car [Member] | Previously Reported [Member]
Goodwill [Line Items]
Beginning balance	24,422
Connected Car [Member] | Realignment Adjustment [Member]
Goodwill [Line Items]
Beginning balance	(3,673)
Lifestyle Audio [Member]
Goodwill [Line Items]
Beginning balance	152,350
Acquisitions and adjustments	(3,849)
Other adjustments	(860)
Ending balance	147,641
Lifestyle Audio [Member] | Previously Reported [Member]
Goodwill [Line Items]
Beginning balance	159,088
Lifestyle Audio [Member] | Realignment Adjustment [Member]
Goodwill [Line Items]
Beginning balance	(6,738)
Professional Solutions [Member]
Goodwill [Line Items]
Beginning balance	387,861
Acquisitions and adjustments	(4,249)
Other adjustments	(1,114)
Ending balance	382,498
Professional Solutions [Member] | Previously Reported [Member]
Goodwill [Line Items]
Beginning balance	387,861
Connected Services [Member]
Goodwill [Line Items]
Beginning balance	726,220
Acquisitions and adjustments	88,481
Other adjustments	(725)
Ending balance	813,976
Connected Services [Member] | Previously Reported [Member]
Goodwill [Line Items]
Beginning balance	529,367
Connected Services [Member] | Realignment Adjustment [Member]
Goodwill [Line Items]
Beginning balance	196,853
Other [Member] | Previously Reported [Member]
Goodwill [Line Items]
Beginning balance	186,442
Other [Member] | Realignment Adjustment [Member]
Goodwill [Line Items]
Beginning balance	$ (186,442)