v3.3.0.814
Segment Information - Reportable Segment Results (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Segment Reporting Disclosure [Line Items]        
Total revenues $ 226,057 $ 222,134 $ 641,995 $ 605,783
Adjusted Pre-Tax Income before NCI 84,726 85,987 231,609 232,235
Fleet payment solutions [Member]        
Segment Reporting Disclosure [Line Items]        
Total revenues 140,672 144,497 404,682 425,760
Operating Segments [Member]        
Segment Reporting Disclosure [Line Items]        
Total revenues 226,057 222,134 641,995 605,783
Operating Interest Expense 1,483 1,860 4,419 4,747
Depreciation and Amortization 9,177 7,802 27,148 21,379
Adjusted Pre-Tax Income before NCI     231,609 232,235
Operating Segments [Member] | Fleet payment solutions [Member]        
Segment Reporting Disclosure [Line Items]        
Total revenues 140,672 144,497 404,682 425,760
Operating Interest Expense 405 1,033 1,566 2,143
Depreciation and Amortization 7,234 6,412 21,668 19,225
Adjusted Pre-Tax Income before NCI 54,377 54,045 149,151 159,373
Operating Segments [Member] | Other payment solutions [Member]        
Segment Reporting Disclosure [Line Items]        
Total revenues 85,385 77,637 237,313 180,023
Operating Interest Expense 1,078 827 2,853 2,604
Depreciation and Amortization 1,943 1,390 5,480 2,154
Adjusted Pre-Tax Income before NCI $ 30,349 $ 31,942 $ 82,458 $ 72,862