Federal and State Income Taxes - Components of Deferred Income Tax (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Tax Contingency [Line Items]
Valuation Allowance, Deferred Tax Asset, Change in Amount	$ 25,646		$ 25,646
Tax benefit from stock-based awards		3,115	203
Deferred Tax Assets, Gross [Abstract]
Deferred income tax assets	12,518	12,293	12,518
Deferred revenue	(68,514)	(70,398)	(68,514)
Deferred Tax Assets and Liabilities, Current
Deferred Tax Assets, Gross [Abstract]
Allowance for doubtful accounts	4,306	3,343	4,306
Vacation pay accrual	3,367	3,611	3,367
Bonus accrual	3,635	3,872	3,635
Contract loss reserves	1,082	993	1,082
Other accruals	2,234	2,498	2,234
Total deferred income tax liabilities	14,624	14,317	14,624
Unearned Revenue	(2,032)	(1,987)	(2,032)
Other liabilities	(74)	(37)	(74)
Total deferred income tax liabilities	(2,106)	(2,024)	(2,106)
Deferred income tax assets	12,518	12,293	12,518
Deferred Tax Assets and Liabilities, Noncurrent
Deferred Tax Assets, Gross [Abstract]
Other liabilities	(147)	(284)	(147)
Loss carryforwards	613	1,081	613
Goodwill and intangible asset expense	2,193	0	2,193
Legal reserve	458	567	458
Stock-based compensation expense	3,470	3,619	3,470
Other long-term assets	2,328	993	2,328
Total long-term deferred income tax assets	9,062	6,260	9,062
Depreciation	(1,708)	(1,496)	(1,708)
Deferred revenue	(606)	(213)	(606)
Net long-term deferred income tax (liabilities) assets	6,601	4,267	6,601
Total long-term deferred income tax liabilities	(2,461)	(1,993)	(2,461)
Net Deferred Income Tax Assets	19,119	16,560	19,119
Additional Paid-in Capital [Member]
Income Tax Contingency [Line Items]
Tax benefit from stock-based awards		$ 3,115	$ 203