Goodwill (Schedule Of Changes In The Carrying Amount Of Goodwill) (Detail) (USD $)	12 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Dec. 31, 2011	Jul. 22, 2011	Jun. 01, 2010
Goodwill, balance	$ 180,811,000		$ 119,357,000
Goodwill, balance	119,357,000		105,922,000
Acquisitions and adjustments	79,757,000		(3,902,000)		56,661,000	79,757,000	56,661,000
Contingent purchase price consideration associated with the acquisition of IS	(2,083,000)		5,737,000			22,100,000
Other adjustments	(16,220,000)	[1]	11,600,000	[1]
Infotainment [Member]
Goodwill, balance	5,856,000		8,069,000
Goodwill, balance	8,069,000		3,701,000
Acquisitions and adjustments	0		0
Contingent purchase price consideration associated with the acquisition of IS	(1,258,000)		3,465,000
Other adjustments	(955,000)	[1]	903,000	[1]
Lifestyle [Member]
Goodwill, balance	109,945,000		39,167,000
Goodwill, balance	39,167,000		33,112,000
Acquisitions and adjustments	79,757,000		(1,476,000)
Contingent purchase price consideration associated with the acquisition of IS	(825,000)		2,272,000
Other adjustments	(8,154,000)	[1]	5,259,000	[1]
Professional [Member]
Goodwill, balance	65,010,000		72,121,000
Goodwill, balance	72,121,000		69,109,000
Acquisitions and adjustments	0		(2,426,000)
Contingent purchase price consideration associated with the acquisition of IS	0		0
Other adjustments	(7,111,000)	[1]	5,438,000	[1]
Other [Member]
Goodwill, balance	0		0
Goodwill, balance	0		0
Acquisitions and adjustments	0		0
Contingent purchase price consideration associated with the acquisition of IS	0		0
Other adjustments	$ 0	[1]	$ 0	[1]

[1] The other adjustments to goodwill primarily consist of foreign currency translation adjustments.