Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

Stock-Based Compensation [Abstract]

Stock-Based Compensation, Expense

	2014		2013		2012
	(In thousands)
Cost of ATM operating revenues	$	1,273	$	911	$	930
Selling, general, and administrative expenses		15,229		11,413		10,180
Total stock-based compensation expense	$	16,502	$	12,324	$	11,110

Stock-Based Compensation, Restricted Share Awards

	Number of Shares		Weighted Average Grant Date Fair Value
RSAs outstanding as of January 1, 2014		375,498	$	18.42
Granted		—	$	—
Vested		(274,056)	$	15.22
Forfeited		(18,414)	$	27.16
RSAs outstanding as of December 31, 2014		83,028	$	27.06

Stock-Based Compensation, Restricted Share Units

	Number of Shares		Weighted Average Grant Date Fair Value
Non-vested RSUs as of January 1, 2014		733,235	$	25.26
Granted		412,668	$	31.87
Vested		(295,419)	$	23.48
Forfeited		(63,687)	$	27.99
Non-vested RSUs as of December 31, 2014		786,797	$	29.17

Stock-Based Compensation, Stock Options

	Number of Shares		Weighted Average Exercise Price		Aggregate Intrinsic Value (in thousands)		Weighted Average Remaining Contractual Term
Options outstanding as of January 1, 2014		280,175	$	9.66
Exercised		(93,092)	$	8.70
Forfeited		—	$	—
Cancelled		(3,716)	$	0.03
Options outstanding as of December 31, 2014		183,367	$	10.33	$	5,177	2.04 years
Options vested and exercisable as of December 31, 2014		183,367	$	10.33	$	5,177	2.04 years