Business Segment Data - Schedule of Reports for Net Sales, Operating Income (Loss), Assets, Goodwill, Capital Expenditures and Depreciation and Amortization by Each Reporting Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Segment Reporting Information [Line Items]
Net sales	$ 1,182,235	$ 1,061,772	$ 1,055,642	$ 998,193	$ 1,090,771	$ 1,095,675	$ 1,127,029	$ 1,050,603	$ 1,031,122	$ 948,196	$ 956,081	$ 836,946	$ 4,297,842	$ 4,364,078	$ 3,772,345
Operating income(loss)													201,251	300,246	190,051
Assets	3,235,685				3,169,464								3,235,685	3,169,464
Goodwill	234,342				180,811				119,357				234,342	180,811	119,357
Capital expenditures													101,682	112,536	108,357
Depreciation and amortization													128,168	122,225	123,264
Infotainment [Member]
Segment Reporting Information [Line Items]
Goodwill	8,576				5,856				8,069				8,576	5,856	8,069
Lifestyle [Member]
Segment Reporting Information [Line Items]
Goodwill	107,438				109,945				39,167				107,438	109,945	39,167
Professional [Member]
Segment Reporting Information [Line Items]
Goodwill	118,328				65,010				72,121				118,328	65,010	72,121
Other [Member]
Segment Reporting Information [Line Items]
Goodwill	0				0				0				0	0	0
Operating Segments [Member] | Infotainment [Member]
Segment Reporting Information [Line Items]
Net sales													2,283,247	2,401,562	2,088,599
Operating income(loss)													90,799	180,529	77,384
Assets	1,094,118				960,929								1,094,118	960,929
Goodwill	8,576				5,856								8,576	5,856
Capital expenditures													54,364	66,050	61,712
Depreciation and amortization													63,009	66,130	70,796
Operating Segments [Member] | Lifestyle [Member]
Segment Reporting Information [Line Items]
Net sales													1,338,355	1,330,798	1,087,270
Operating income(loss)													137,477	151,490	109,649
Assets	1,192,610				1,096,395								1,192,610	1,096,395
Goodwill	107,438				109,945								107,438	109,945
Capital expenditures													25,587	24,467	18,474
Depreciation and amortization													36,572	33,401	31,193
Operating Segments [Member] | Professional [Member]
Segment Reporting Information [Line Items]
Net sales													672,805	630,731	595,687
Operating income(loss)													85,810	72,997	82,902
Assets	468,910				407,267								468,910	407,267
Goodwill	118,328				65,010								118,328	65,010
Capital expenditures													11,839	10,187	14,255
Depreciation and amortization													16,882	13,638	16,012
Operating Segments [Member] | Other [Member]
Segment Reporting Information [Line Items]
Net sales													3,435	987	789
Operating income(loss)													(112,835)	(104,770)	(79,884)
Assets	480,047				704,873								480,047	704,873
Goodwill	0				0								0	0
Capital expenditures													9,892	11,832	13,916
Depreciation and amortization													$ 11,705	$ 9,056	$ 5,263