Restructuring (Summary Of Activity In Restructuring Liability) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Restructuring Reserve [Roll Forward]
Balance, beginning	$ 32,282
Accruals	(107)
Payments	(7,439)
Accretion of sub-lease expense	1,429
Balance, ending	26,165
Employee Separation Costs [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning	2,145
Accruals	0
Payments	(2,145)
Accretion of sub-lease expense	0
Balance, ending	0
Facilities Related Charges [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning	30,137
Accruals	77
Payments	(5,478)
Accretion of sub-lease expense	1,429
Balance, ending	26,165
Other Restructuring Charges [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning	0
Accruals	(184)
Payments	184
Accretion of sub-lease expense	0
Balance, ending	$ 0