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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph ((b)(7))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Name:	us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Financial Instruments And Fair Value Measurements (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Auction Rate Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Original cost, par value	$ 0	$ 52,625	$ 5,000
Carrying value	0	38,025	4,460
Gain on sale of auction rate securities	0	4,094	540
Auction Rate Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Original cost, par value		$ 52,625
Auction Rate Securities [Member] \| Minimum [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Auction rate securities, interest rate setting interval (in days)	7 days
Auction Rate Securities [Member] \| Maximum [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Auction rate securities, interest rate setting interval (in days)	35 days