Goodwill and Intangible Assets, Net - Schedule of Changes in Carrying Amount of Goodwill (Detail) $ in Thousands	3 Months Ended
	Sep. 30, 2015 USD ($)
Goodwill [Line Items]
Beginning balance	$ 1,287,180
Acquisitions and adjustments	68,536
Other adjustments	(6,955)
Ending balance	1,348,761
Previously Reported [Member]
Goodwill [Line Items]
Beginning balance	1,287,180
Realignment Adjustment [Member]
Goodwill [Line Items]
Beginning balance	0
Connected Car [Member]
Goodwill [Line Items]
Acquisitions and adjustments	0
Other adjustments	62
Ending balance	20,811
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]
Acquisitions and adjustments	(395)
Other adjustments	(2,199)
Ending balance	149,756
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]
Acquisitions and adjustments	(4,265)
Other adjustments	(3,116)
Ending balance	380,480
Professional Solutions [Member] | Previously Reported [Member]
Goodwill [Line Items]
Beginning balance	387,861
Professional Solutions [Member] | Realignment Adjustment [Member]
Goodwill [Line Items]
Beginning balance	0
Connected Services [Member]
Goodwill [Line Items]
Acquisitions and adjustments	73,196
Other adjustments	(1,702)
Ending balance	797,714
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]
Goodwill [Line Items]
Acquisitions and adjustments	0
Other adjustments	0
Ending balance	0
Other [Member] | Previously Reported [Member]
Goodwill [Line Items]
Beginning balance	186,442
Other [Member] | Realignment Adjustment [Member]
Goodwill [Line Items]
Beginning balance	$ (186,442)