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Financial Instruments And Fair Value Measurements (Summary Of Redemptions And Sales Of Auction Rate Securities) (Details) (Auction Rate Securities [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Auction Rate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Original cost, par value	$ 6,000	$ 0	$ 52,625	$ 0
Impairment previously recorded in consolidated statement of operations	(600)	0	(14,600)	0
Carrying value	5,400	0	38,025	0
Proceeds from sales	5,400	0	42,119	0
Gain from sales recorded in consolidated statement of operations	$ 0	$ 0	$ 4,094	$ 0

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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