Gross Carrying Amount and Accumulated Amortization (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Jun. 30, 2012
Intangible Assets Excluding Goodwill [Line Items]
Gross Carrying Amount	$ 111,372	$ 62,213
Accumulated Amortization	(22,816)	(18,199)
Net Book Value	88,556	44,014
Patents
Intangible Assets Excluding Goodwill [Line Items]
Gross Carrying Amount	39,532	21,856
Accumulated Amortization	(9,563)	(7,640)
Net Book Value	29,969	14,216
Trademarks
Intangible Assets Excluding Goodwill [Line Items]
Gross Carrying Amount	17,805	13,166
Accumulated Amortization	(944)	(888)
Net Book Value	16,861	12,278
Customer Lists
Intangible Assets Excluding Goodwill [Line Items]
Gross Carrying Amount	52,457	25,816
Accumulated Amortization	(10,920)	(8,296)
Net Book Value	41,537	17,520
Other
Intangible Assets Excluding Goodwill [Line Items]
Gross Carrying Amount	1,578	1,375
Accumulated Amortization	(1,389)	(1,375)
Net Book Value	$ 189