Discontinued Operations (Changes In Future Remaining Lease Obligations Discontinued Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Discontinued Operations [Abstract]
Balance, Beginning of Period	$ 45,837		$ 50,378
Charges Incurred	297	[1]	(1,173)	[1]
Net Cash Payments	(2,536)		(2,523)
Balance, End of Period	$ 43,598		$ 46,682
Lease expiration year	2019

[1] Includes charges for newly vacated spaces and subsequent adjustments for accretion, revised estimates, and variances between estimated and actual charges, net of any reversals for terminated lease obligations.