Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment Income, Interest and Dividend	$ 98	$ 158	$ 189
Unrealized Gains (Losses), Included in Earnings, Net [Abstract]
Restricted investments, realized gains reported	100	19	471
Restricted investments, realized losses reported	102	194	789
Restricted investments, realized gain (losses) in accumulated other comprehensive income, net	153	309	176
Contingent consideration liabilities [Roll Forward]
Contingent considerations, beginning of year	1,365	873	362
Additions for 2013 acquisitions	504	675	1,080
Reduction of liability for payments made	(567)	(154)	(100)
Reduction of liability related to re-measurement of fair value	(950)	(29)	(469)
Contingent consideration, end of period	352	1,365	873
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investments, at Fair Value	4,105	5,089
Contingent consideration liabilities [Roll Forward]
Contingent consideration, end of period	352	1,365
Fair Value, Measurements, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investments, at Fair Value	2,790	831
Contingent consideration liabilities [Roll Forward]
Contingent consideration, end of period	0	0
Fair Value, Measurements, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investments, at Fair Value	1,315	4,258
Contingent consideration liabilities [Roll Forward]
Contingent consideration, end of period	0	0
Mutual Funds, Bonds, Certificates Of Deposits, Asset Backed Securities And US Treasury Notes | Fair Value, Measurements, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investments, at Fair Value	1,315
Cost of restricted investments	1,353	4,301
Money market accounts | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investments, at Fair Value	2,650	831
Money market accounts | Fair Value, Measurements, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investments, at Fair Value	2,650	831
Money market accounts | Fair Value, Measurements, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investments, at Fair Value	$ 0	$ 0
Maximum
Unrealized Gains (Losses), Included in Earnings, Net [Abstract]
Contingent Consideration Probability Range	100.00%