Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Depreciation Accretion And Amortization Amounts Excluded From Operating Revenues and Gross Profit) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Basis Of Presentation And Summary Of Significant Accounting Policies [Abstract]
Depreciation and accretion expenses related to ATMs and ATM-related assets									$ 41,364	$ 35,521	$ 32,595
Amortization expense									17,914	15,471	18,916
Total depreciation, accretion, and amortization expenses excluded from Cost of ATM operating revenues and Gross profit	$ 16,900	$ 15,500	$ 13,500	$ 13,400	$ 13,600	$ 13,000	$ 12,100	$ 12,300	$ 59,278	$ 50,992	$ 51,511