Carrying Value of Other Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Sep. 30, 2012	Jun. 30, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,664	5,664
Total intangible assets, gross carrying amount	7,534	7,534
Accumulated Amortization	(1,142)	(1,030)
Total intangible assets, accumulated amortization	(1,142)	(1,030)
Net Carrying Amount	4,522	4,634
Indefinite Trade Names	1,870	1,870
Total intangible assets, net carrying amount	6,392	6,504
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite Trade Names	1,870	1,870
Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,460	2,460
Accumulated Amortization	(627)	(586)
Net Carrying Amount	1,833	1,874
Intellectual Property [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life	6 years	6 years
Intellectual Property [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life	15 years	15 years
Customer Based [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,657	2,657
Accumulated Amortization	(330)	(285)
Net Carrying Amount	2,327	2,372
Customer Based [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life	1 year	1 year
Customer Based [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life	15 years	15 years
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	547	547
Accumulated Amortization	(185)	(159)
Net Carrying Amount	362	388
Other Intangible Assets [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life	3 years	3 years
Other Intangible Assets [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life	5 years	5 years