Discontinued Operations (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Loss from discontinued operations
Pre-tax loss from discontinued operations	$ (460,000)	$ (371,000)	$ (969,000)	$ (2,087,000)
Income tax benefit (expense)	11,240,000	(38,000)	11,150,000	65,000
Earnings (Loss) from discontinued operations, net of tax	10,780,000	(409,000)	10,181,000	(2,022,000)
Assets:
Total assets, primarily deposits	4,134,000		4,134,000		4,600,000
Liabilities:
Total liabilities, primarily contingent accruals	5,401,000		5,401,000		6,502,000
Brazil tax due on sale of business [Member]
Liabilities:
Tax Amounts Assessed But Not Reserved			15,700,000
Brazil Federal and Social Contribution tax [Member]
Liabilities:
Tax Amounts Assessed But Not Reserved			4,600,000
Brazil state operating tax [Member]
Liabilities:
Tax Amounts Assessed But Not Reserved			5,700,000
Expiration of statute of limitations [Member]
Loss from discontinued operations
Income tax benefit (expense)	11,300,000		11,300,000
SCS, Sub-lease facility, Europe [Member]
Loss from discontinued operations
Pre-tax loss from discontinued operations			$ 600,000