Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands	Jun. 30, 2011	Jun. 30, 2010
Income Taxes
Reserves and accruals	$ 29,945	$ 25,347
Stock-based compensation	28,768	30,739
Deferred compensation and post-retirement obligations	27,977	22,093
Deferred rent	2,929	1,746
Original issue discount related to the Notes	883	1,355
Other	1,323	3,138
Total deferred tax assets	91,825	84,418
Goodwill and other intangible assets	(121,842)	(98,988)
Unbilled revenue	(11,758)	(10,360)
Prepaid expenses	(4,011)	(3,630)
Other	(6,257)	(1,789)
Total deferred tax liabilities	(143,868)	(114,767)
Net deferred tax liability	$ (52,043)	$ (30,349)