Restructuring Program - Restructuring Expenses by Reporting Business Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 2,946	$ 23,623	$ 2,113	$ 29,155
Asset Impairments	1,940	1,391	3,964	2,785
Total	4,886	25,014	6,077	31,940
Connected Car [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	(443)	(161)	(1,237)	(171)
Lifestyle Audio [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	867	23,335	1,174	25,150
Professional Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	2,522	517	2,176	4,244
Connected Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	0	0	0	0
Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 0	$ (68)	$ 0	$ (68)