Accrued Expenses and Other Current Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Accrued Expenses and Other Current Liabilities [Abstract]
Accrued wages, bonuses, and benefits	$ 12,135	$ 11,877
Acquired contract obligations	7,173	0
Deferred revenue	4,909	0
Accrued income taxes	3,846	4,257
Current portion of capital lease obligations	2,544	0
Current portions of retained acquisition contingencies	1,479	10,931
Accrued insurance	1,297	758
Accrued property taxes	1,149	1,161
Accrued professional fees	524	1,093
Deferred taxes	49	36
Other	5,497	4,362
Total	$ 40,602	$ 34,475