Other Long-Term Liabilities (Narrative) (Details) (USD $)	12 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 U.K. Acquisition [Member] entity	Jun. 30, 2010 U.K. Acquisition [Member]	Jun. 30, 2012 Contingent Consideration [Member] U.K. Acquisition [Member]	Jun. 30, 2012 Indemnification Obligation [Member] U.K. Acquisition [Member]
Costs associated with post-retirement plan	$ 400,000
Deferred contingent consideration	4,385,000	24,779,000	4,800,000		3,000,000	1,800,000
Number of acquisitions related to indemnification obligations			2
Amount retained by the Company to secure seller's indemnification obligation				1,300,000
Accrued post-retirement obligations	4,143,000	3,447,000
Fair value of swap agreements	$ 2,200,000