Restructuring Program - Restructuring Expenses by Reporting Business Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 3,203	$ 10,088	$ 5,316	$ 39,243
Asset Impairments	2,204	4,723	6,168	7,508
Total	5,407	14,811	11,484	46,751
Connected Car [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	(251)	1,223	(1,488)	1,052
Lifestyle Audio [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	945	4,440	2,119	29,590
Professional Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	2,516	$ 4,425	4,692	8,669
Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ (7)		$ (7)	$ (68)