Financial Instruments And Fair Value Measurements (Significant Assumptions Used In Valuation Of Auction Rate Securities) (Details) (Auction Rate Securities [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2012
Schedule of Available-for-sale Securities [Line Items]
Fair value at September 30, 2012 (in thousands)	$ 34,286
Valuation technique	Probability Weighted Discounted cash flow
Weighted Average [Member]
Schedule of Available-for-sale Securities [Line Items]
Maximum coupon rate	1.80%
Cumulative probability of principal returned prior to maturity	59.50%
Cumulative probability of earning maximum rate until maturity	0.10%
Cumulative probability of default	40.40%
Liquidity risk premium	4.30%
Recovery rate in default	32.40%