Amount expected to be charged against earnings in the current and future periods for the specified restructuring cost.

+ References+ Details

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

+ References+ Details

- Definition

The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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+ Details

Restructuring (Details) (USD $)	3 Months Ended	12 Months Ended
Restructuring (Details) (USD $)	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Restructuring Charges [Abstract]
Impairment charges associated with our real estate investments		$ 1,452,000	$ 86,341,000	$ 0
Severance costs		471,000	12,635,000	6,943,000
Impairment charges on assets held-for-sale or abandoned		226,000	7,521,000	1,449,000
Lease termination costs, net of estimated sublease income		32,000	2,782,000	1,061,000
Restructuring charges	107,300,000	2,181,000	109,279,000	9,453,000
Restructuring liabilities	4,100,000	2,400,000	4,100,000
Minimum [Member]
Restructuring Charges [Abstract]
Expected restructuring charges		1,000,000
Maximum [Member]
Restructuring Charges [Abstract]
Expected restructuring charges		9,000,000
Employee Severance, Salaried Employees [Member]
Restructuring Charges [Abstract]
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent	17.00%		17.00%	11.00%
Noncontrolling Interest [Member]
Restructuring Charges [Abstract]
Impairment charges associated with our real estate investments			$ 20,000,000