| Summarized information by operating segment |
Summarized information by operating segment consists of the following (in thousands): | | | | | | | | | | Three Months Ended
March 31, | | 2015 | | 2014 | Revenues | | | | North America | $ | 153,017 |
| | $ | 113,326 |
| International | |
| | |
| External customers | 6,003 |
| | 5,750 |
| Intersegment revenue | 8 |
| | — |
| Total International revenue | 6,011 |
| | 5,750 |
| Intersegment eliminations | (8 | ) | | — |
| Total revenues | $ | 159,020 |
| | $ | 119,076 |
| | | | | EBITDA | |
| | |
| North America | $ | 13,677 |
| | $ | 26,368 |
| International | 629 |
| | 624 |
| Total EBITDA | $ | 14,306 |
| | $ | 26,992 |
|
|
| Reconciliation of EBITDA to net income |
The reconciliation of EBITDA to net income (loss) consists of the following (in thousands): | | | | | | | | | | Three Months Ended
March 31, | | 2015 | | 2014 | EBITDA | $ | 14,306 |
| | $ | 26,992 |
| Purchase amortization in cost of revenues | (6,347 | ) | | (2,877 | ) | Purchase amortization in operating expenses | (7,142 | ) | | (3,299 | ) | Depreciation and other amortization | (4,324 | ) | | (3,675 | ) | Interest income | 294 |
| | 137 |
| Interest expense | (2,343 | ) | | (1,615 | ) | Income tax expense, net | (571 | ) | | (5,923 | ) | Net income (loss) | $ | (6,127 | ) | | $ | 9,740 |
|
|
| Summarized information by operating segment, assets and liabilities |
Summarized information by operating segment consists of the following (in thousands): | | | | | | | | | | March 31,
2015 | | December 31,
2014 | Property and equipment, net | | | | North America | $ | 76,512 |
| | $ | 71,209 |
| International | 2,611 |
| | 2,544 |
| Total property and equipment, net | $ | 79,123 |
| | $ | 73,753 |
| | | | | Goodwill | |
| | |
| North America | $ | 1,114,363 |
| | $ | 1,114,363 |
| International | 23,344 |
| | 24,442 |
| Total goodwill | $ | 1,137,707 |
| | $ | 1,138,805 |
| | | | | Assets | |
| | |
| North America | $ | 2,157,218 |
| | $ | 2,138,768 |
| International | 38,752 |
| | 41,896 |
| Total operating segment assets | $ | 2,195,970 |
| | $ | 2,180,664 |
| | | | | Reconciliation of operating segment assets to total assets | |
| | |
| Total operating segment assets | $ | 2,195,970 |
| | $ | 2,180,664 |
| Investment in subsidiaries | (18,344 | ) | | (18,344 | ) | Intersegment receivables | (77,925 | ) | | (78,638 | ) | Total assets | $ | 2,099,701 |
| | $ | 2,083,682 |
| | | | | Liabilities | |
| | |
| North America | $ | 580,751 |
| | $ | 564,832 |
| International | 70,860 |
| | 75,584 |
| Total operating segment liabilities | $ | 651,611 |
| | $ | 640,416 |
| | | | | Reconciliation of operating segment liabilities to total liabilities | |
| | |
| Total operating segment liabilities | $ | 651,611 |
| | $ | 640,416 |
| Intersegment payables | (66,868 | ) | | (70,280 | ) | Total liabilities | $ | 584,743 |
| | $ | 570,136 |
|
|