Segment Information (Reconciliation Of Adjusted Earnings Before Interest, Taxes, Depreciation And Amortization To Net Income Attributable To Controlling Interests) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Segment Information [Abstract]
Adjusted EBITDA									$ 218,842		$ 189,533		$ 156,307
Loss (gain) on disposal of assets									2,790		1,787		981
Other expense (income)									(3,150)		(1,830)		(849)
Noncontrolling interests									(2,399)		(1,668)		(1,897)
Stock-based compensation expense									12,290		11,072		9,283
Acquisition-related expenses									15,400		3,332		4,747
Other adjustments to cost of ATM operating revenues									8,670	[1]
Other adjustment to selling, general, and administrative expenses									505	[2]	972	[2]
EBITDA									184,736		175,868		144,042
Interest expense, net, including amortization of deferred financing costs and note discount									23,086		22,057		21,109
Income tax expense (benefit)									42,018		27,009		(13,176)
Depreciation and accretion expense									68,480		61,499		47,962
Amortization expense									27,336		21,712		17,914
Net income attributable to controlling interests and available to common stockholders	$ 7,467	$ (8,408)	$ 15,327	$ 9,430	$ 11,201	$ 12,897	$ 9,664	$ 9,829	$ 23,816		$ 43,591		$ 70,233

[1] Adjustment to cost of ATM operating revenues for the year ended December 31, 2013 is related to the charge for retroactive property taxes on certain ATM locations in the U.K.

[2] Adjustment to selling, general, and administrative expense for the years ended December 31, 2013 and 2012 represent severance related costs associated with management of the Company’s U.K. operations.