Fair Value Of Financial Instruments (Details) (USD $)	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011 Long-Term Asset [Member] Fair Value, Inputs, Level 1 [Member]	Jun. 30, 2011 Long-Term Asset [Member] Fair Value, Inputs, Level 1 [Member]	Sep. 30, 2011 Current Liability [Member] Fair Value, Inputs, Level 3 [Member]	Jun. 30, 2011 Current Liability [Member] Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-COLI assets held in connection with Supplemental Savings Plan			$ 6,738,000	$ 6,514,000
Contingent consideration					20,174,000	20,839,000
Change in fair value of contingent consideration	$ 700,000	$ 1,700,000