Business Segment Data - Schedule of Reports for Net Sales and Operating Income (Loss) by Each Reporting Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Net sales	$ 1,583,549	$ 1,328,024	$ 3,012,471	$ 2,499,829
Operating income (loss)	148,757	101,856	264,540	171,238
Infotainment [Member]
Segment Reporting Information [Line Items]
Net sales	774,078	690,704	1,522,175	1,330,457
Operating income (loss)	89,873	62,691	167,226	95,118
Lifestyle [Member]
Segment Reporting Information [Line Items]
Net sales	540,902	429,737	967,046	764,225
Operating income (loss)	56,611	51,103	106,577	92,343
Professional [Member]
Segment Reporting Information [Line Items]
Net sales	267,358	207,479	521,795	404,910
Operating income (loss)	35,820	25,404	59,085	51,884
Other [Member]
Segment Reporting Information [Line Items]
Net sales	1,211	104	1,455	237
Operating income (loss)	$ (33,547)	$ (37,342)	$ (68,348)	$ (68,107)