Special Charges and Other Income (Rollforward of accrued liabilities) (Details) - Jun. 30, 2015 - USD ($) $ in Thousands	Total	Total
Restructuring Reserve [Roll Forward]
Beginning balance	$ 2,618	$ 1,870
Additions	4,242	5,305
Adjustments to accruals	(110)	(370)
Cash payments	(3,498)	(3,553)
Ending balance	3,252	3,252
Deferred rent
Restructuring Reserve [Roll Forward]
Beginning balance	1,171	1,431
Additions	0	0
Adjustments to accruals	(110)	(370)
Cash payments	0	0
Ending balance	1,061	1,061
Accrued compensation and related costs
Restructuring Reserve [Roll Forward]
Beginning balance	89	131
Additions	2,598	2,598
Adjustments to accruals	0	0
Cash payments	(2,097)	(2,139)
Ending balance	590	590
Accounts payable
Restructuring Reserve [Roll Forward]
Beginning balance	1,050	0
Additions	1,644	2,707
Adjustments to accruals	0	0
Cash payments	(1,401)	(1,414)
Ending balance	1,293	1,293
Accounts payable
Restructuring Reserve [Roll Forward]
Beginning balance	308	308
Additions	0	0
Adjustments to accruals	0	0
Cash payments	0	0
Ending balance	$ 308	$ 308