Gross Carrying Amount and Accumulated Amortization (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 144,484	$ 111,708
Accumulated Amortization	(27,304)	(25,007)
Net Book Value	117,180	86,701
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	54,749	39,659
Accumulated Amortization	(11,343)	(10,455)
Net Book Value	43,406	29,204
Trade Names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	17,872	17,855
Accumulated Amortization	(980)	(963)
Net Book Value	16,892	16,892
Customer Lists
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	69,769	52,614
Accumulated Amortization	(13,552)	(12,189)
Net Book Value	56,217	40,425
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,094	1,580
Accumulated Amortization	(1,429)	(1,400)
Net Book Value	$ 665	$ 180