Financial Instruments And Fair Value Measurements (Tables)

9 Months Ended

Mar. 31, 2012

Financial Instruments And Fair Value Measurements [Abstract]

Summary Of Short-Term And Long-Term Investments

		As of March 31, 2012				As of June 30, 2011
		Amortized		Aggregate		Amortized		Aggregate
(in thousands)		Cost Basis		Fair Value		Cost Basis		Fair Value
Time deposit – international	$	72,394	$	72,394	$	74,745	$	74,745
Auction rate securities		57,625		40,531		57,625		41,345
U.S. government debt securities		0		0		30,222		30,222
Foreign corporate debt securities		15,967		15,967		18,920		18,920
Total investments	$	145,986	$	128,892	$	181,512	$	165,232

Summary Of Financial Assets At Fair Value

(in thousands)		Level 1		Level 2		Level 3		Total
Balance, March 31, 2012:
Short-term and long-term investments:
Time deposit – international	$	0	$	72,394	$	0	$	72,394
Auction rate securities		0		0		40,531		40,531
Foreign corporate debt securities		15,967		0		0		15,967
Total short-term and long-term investments	$	15,967	$	72,394	$	40,531	$	128,892
Balance, June 30, 2011:
Short-term and long-term investments:
Time deposit – international	$	0	$	74,745	$	0	$	74,745
Auction rate securities		0		0		41,345		41,345
U.S. government debt securities		30,222		0		0		30,222
Foreign corporate debt securities		18,920		0		0		18,920
Total short-term and long-term investments	$	49,142	$	74,745	$	41,345	$	165,232

Contractual Maturities Of Investments

		Amortized		Aggregate
(in thousands)		Cost Basis		Fair Value
Due within one year	$	81,371	$	81,371
Due between 1 – 2 years		6,990		6,990
Due after 10 years – auction rate securities		57,625		40,531
Total short-term and long-term investments	$	145,986	$	128,892

Reconciliation Of Changes In Fair Value Of Auction Rate Securities

				Temporary		OTTI –			OTTI –
				Impairment		Non-Credit			Credit			Fair
(in thousands)		Cost		Loss (1)		Loss (1)			Loss (2)			Value
Balance, June 30, 2011	$	57,625	$	(6,280	)	$	0	$	(10,000	)	$	41,345
Changes in losses related to investments		0		(814	)		0		0			(814	)
Balance, March 31, 2012	$	57,625	$	(7,094	)	$	0	$	(10,000	)	$	40,531

Summary Of Redemptions And Sales Of Auction Rate Securities

		Three Months Ended				Nine months Ended
		March 31,				March 31,
(in thousands)		2012		2011		2012		2011
Original cost, par value	$	0	$	0	$	0	$	6,650
Impairment losses previously recorded in:
Accumulated other comprehensive income		0		0		0		(281	)
Consolidated statement of operations		0		0		0		(342	)
Carrying value		0		0		0		6,027
Proceeds from redemption/sale		0		0		0		6,384
Gain on redemption/sale		0		0		0		357
Reversal of impairment losses previously recorded in
accumulative other comprehensive income		0		0		0		(281	)
Gain from redemption/sale recorded in consolidated
statement of operations	$	0	$	0	$	0	$	76