Fair Value Measurements (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment Income, Interest and Dividend	$ 71	$ 62	$ 98
Restricted investments, realized gains reported	(23)	(4)	100
Restricted investments, realized losses reported	17	38	102
Restricted investments, realized gain (losses) in accumulated other comprehensive income, net	44	20	153
Contingent consideration liabilities [Roll Forward]
Contingent considerations, beginning of year	693	352	1,365
Additions for acquisitions	0	662	504
Reduction of liability for payments made	(835)	(346)	(567)
Reduction of liability related to re-measurement of fair value	375	25	(950)
Contingent consideration, end of period	233	693	$ 352
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investments, at Fair Value	9,868	6,094
Contingent consideration liabilities [Roll Forward]
Contingent considerations, beginning of year	693
Contingent consideration, end of period	233	693
Fair Value, Measurements, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investments, at Fair Value	8,556	4,996
Contingent consideration liabilities [Roll Forward]
Contingent considerations, beginning of year	0
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	1,312	1,098
Contingent consideration liabilities [Roll Forward]
Contingent considerations, beginning of year	0
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	1,312
Cost of restricted investments	1,304	1,103
Money market accounts and cash deposits | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investments, at Fair Value	6,476	4,896
Money market accounts and cash deposits | Fair Value, Measurements, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investments, at Fair Value	6,476	4,896
Money market accounts and cash deposits | 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