Goodwill And Intangible Assets (Schedule Of Gross Carrying Amount And Accumulated Amortization Of Intangible Assets Other Than Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Jun. 30, 2011
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 58,728	$ 42,797
Accumulated Amortization	(15,909)	(14,065)
Net Book Value	42,819	28,732
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	21,502	16,009
Accumulated Amortization	(6,751)	(5,843)
Net Book Value	14,751	10,166
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	13,187	11,074
Accumulated Amortization	(851)	(811)
Net Book Value	12,336	10,263
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	22,652	14,327
Accumulated Amortization	(6,920)	(6,024)
Net Book Value	15,732	8,303
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,387	1,387
Accumulated Amortization	(1,387)	(1,387)
Net Book Value