Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

- Definition

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

+ References

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+ Details

Goodwill (Narrative) (Detail) (USD $)	12 Months Ended
Goodwill (Narrative) (Detail) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Goodwill impairment	$ 0	$ 0	$ 12,292,000
Goodwill	180,811,000	119,357,000	105,922,000
Innovative Systems GmbH[Member]
Goodwill		5,700,000
3dB [Member]
Goodwill		600,000
Selenium [Member]
Goodwill		4,500,000
Infotainment [Member]
Goodwill impairment			7,400,000
Lifestyle [Member]
Goodwill impairment			4,900,000
Mwm Acoustics [Member]
Goodwill	$ 79,800,000