Restructuring Charges (Details) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Restructuring Charges [Abstract]
Restructuring charges, net	$ (301,000)	$ (247,000)	$ 1,128,000
Restructuring Reserve [Roll Forward]
Accrued expenses, beginning balance	4,201,000	8,514,000	12,218,000
Fiscal year payments	(2,998,000)	(4,066,000)	(4,832,000)
Restructuring charge-accretion	202,000	354,000	420,000
Change in estimate-revised assumption	(503,000)	(601,000)	708,000
Accrued expenses, ending balance	902,000	4,201,000	8,514,000
Estimated sub-lease income	1,400,000
Anticipated net cash payments to settle liabilities made through 2017	900,000
Closure, Consolidation of Facilities and Contract Termination Cost [Member]
Restructuring Reserve [Roll Forward]
Accrued expenses, beginning balance	4,201,000	8,514,000	11,919,000
Fiscal year payments	(2,998,000)	(4,066,000)	(4,535,000)
Restructuring charge-accretion	202,000	354,000	420,000
Change in estimate-revised assumption	(503,000)	(601,000)	710,000
Accrued expenses, ending balance	902,000	4,201,000	8,514,000
Employee Severance, Benefit and Related Costs [Member]
Restructuring Reserve [Roll Forward]
Accrued expenses, beginning balance	0	0	299,000
Fiscal year payments	0	0	(297,000)
Change in estimate-revised assumption	0	0	(2,000)
Accrued expenses, ending balance	$ 0	$ 0	$ 0