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Financial Instruments And Fair Value Measurements (Summary Of Redemptions And Sales Of Auction Rate Securities) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Auction Rate Securities [Member]
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Original cost, par value	$ 52,625	$ 5,000	$ 6,650
Impairment previously recorded in OCI and consolidated accumulated comprehensive income	0	(540)	(281)
Impairment previously recorded in consolidated statement of operations	(14,600)	0	(342)
Carrying value	38,025	4,460	6,027
Proceeds from redemption/sale	42,119	5,000	6,384
Gain from redemption/sale	4,094	540	357
Auction Rate Securities [Member]
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Original cost, par value	$ 52,625	$ 5,000

This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting.

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