Summary of Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended							3 Months Ended	12 Months Ended	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Minimum [Member]	Dec. 31, 2011 Maximum [Member]	Dec. 31, 2011 Financial self-service [Member]	Dec. 31, 2011 Software Solutions [Member]	Sep. 30, 2010 Revenue Recognition [Member]	Dec. 31, 2010 Revenue Recognition [Member]	Dec. 31, 2009 Impact to Income Tax Expense [Member]
Summary of Significant Accounting Policies [Abstract]
Percentage of total revenue (international)	52.70%	55.30%	50.90%
Revenues								$ (19,822)	$ (19,822)
Operating profit (loss)	155,594	(1,802)	150,592						(5,753)
Income Tax Expense (Benefit)	12,815	14,561	44,477							8,765
Service Contract Term						12 months	12 months
Advertising Expense	$ 10,474	$ 8,782	$ 8,890
Defined Benefit Plan, Period of Return for Fixed Income Investments From Discount Rate Assumptions	20 years
Defined Benefit Plan, Pensions, Threshold for Amortization of Unrecognized Net Gain (Loss) If Gain (Loss) exceeds Greater of Projected Benefit Obligation Or Market-Value of Plan Assets				5.00%
Cash Equivalents, Maturity Period					3 months