Fair Value Of Financial Instruments (Details) (USD $)	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Contingent consideration liability	$ 20,800,000	$ 20,800,000
Change in fair value of contingent consideration	9,600,000	2,000,000
Long-Term Asset [Member] | Fair Value, Inputs, Level 1 [Member]
Non-COLI assets held in connection with Supplemental Savings Plan	6,514,000
Current Liability [Member] | Fair Value, Inputs, Level 3 [Member]
Contingent consideration liability	$ 20,839,000