Discontinued Operations (Details) (USD $) In Thousands, except Per Share data	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income, Net of Tax	$ 0	$ 23,935	$ 0	$ 42,513
Income from Discontinued Operations, Net of Tax	0	23,935	0	42,513
Earnings per Share, Basic	$ 0.00	$ 0.22	$ 0.00	$ 0.40
Earnings per Share, Diluted	$ 0.00	$ 0.22	$ 0.00	$ 0.40
Basic	108,018	108,936	111,781	106,205
Diluted	108,641	109,716	112,486	107,046
Discontinued Operations Employer And Litigation Services Businesses [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operation, Operating Revenue		64,553		125,220
Discontinued Operation, Income from Discontinued Operation, before Income Tax		(3,574)		(6,191)
Discontinued Operation, Tax (Expense) Benefit		(2,800)		(5,184)
Income, Net of Tax		(774)		(1,007)
Less: Net Income Attributable to Noncontrolling Interests		0		0
Income from Discontinued Operations, Net of Tax		(774)		(1,007)
Earnings per Share, Basic		$ (0.01)		$ (0.01)
Earnings per Share, Diluted		$ (0.01)		$ (0.01)
Discontinued Operations FAFC [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operation, Operating Revenue		582,075		1,490,501
Discontinued Operation, Income from Discontinued Operation, before Income Tax		39,397		76,323
Discontinued Operation, Tax (Expense) Benefit		15,067		33,222
Income, Net of Tax		24,330		43,101
Less: Net Income Attributable to Noncontrolling Interests		(379)		(419)
Income from Discontinued Operations, Net of Tax		$ 24,709		$ 43,520
Earnings per Share, Basic		$ 0.23		$ 0.41
Earnings per Share, Diluted		$ 0.23		$ 0.41

Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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