| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 |
|---|---|---|---|---|---|---|---|---|---|
Revenue | |||||||||
2,062,017 | 1,903,182 | 1,740,905 | 1,569,841 | 1,458,445 | 1,352,999 | 1,218,776 | 1,070,938 | 973,701 | 878,159 |
Cost of services | |||||||||
1,539,081 | 1,429,927 | 1,310,295 | 1,178,994 | 1,100,690 | 1,039,397 | 937,840 | 825,168 | 766,500 | 698,264 |
Gross profit | |||||||||
522,936 | 473,255 | 430,610 | 390,847 | 357,755 | 313,602 | 280,936 | 245,770 | 207,201 | 179,895 |
Selling, general and administrative expenses | |||||||||
221,496 | 201,591 | 188,939 | 163,967 | 148,164 | 137,683 | 141,827 | 123,373 | 92,938 | 83,601 |
Amortization of intangible assets | |||||||||
33,600 | 32,600 | 32,600 | 30,000 | 27,989 | 28,999 | 30,075 | 26,933 | 27,427 | 27,631 |
Income from operations | |||||||||
0 | 0 | 3,671 | 0 | 0 | - | - | - | - | - |
Income from operations | |||||||||
267,819 | 239,095 | 205,439 | 197,238 | 181,602 | 146,920 | 109,034 | 95,464 | 86,836 | 68,663 |
Interest expense — net | |||||||||
-45,154 | -47,508 | -44,039 | 42,924 | 41,446 | 34,709 | 40,626 | 83,864 | 82,908 | 88,999 |
Loss on extinguishment of debt | |||||||||
- | - | - | -11,117 | 0 | 0 | -63,682 | 0 | 0 | - |
Gain from foreign currency transactions | |||||||||
- | - | - | - | - | - | - | - | 835 | - |
Interest income | |||||||||
- | - | - | - | - | 103 | 85 | 152 | 824 | 28 |
Income before income tax | |||||||||
222,665 | 191,587 | 161,400 | 143,197 | 140,156 | 112,314 | 4,811 | 11,752 | 5,587 | -20,308 |
Income tax expense | |||||||||
42,279 | 33,606 | 4,437 | 48,437 | 46,229 | 40,279 | -7,533 | 3,243 | 825 | -10,314 |
Net income | |||||||||
180,386 | 157,981 | 156,963 | 94,760 | 93,927 | 72,035 | 12,344 | 8,509 | 4,762 | -9,994 |
Net loss attributable to non-controlling interest | |||||||||
- | - | - | - | - | - | -279 | 347 | 3 | - |
Net income | |||||||||
- | - | - | - | - | - | 12,623 | 8,162 | 4,759 | -9,994 |
Accretion of Class L preference | |||||||||
- | - | - | - | - | - | - | 79,211 | 72,842 | 65,962 |
Accretion of Class L preference for vested options | |||||||||
- | - | - | - | - | - | - | 5,436 | - | - |
Net income (loss) available to common shareholders | |||||||||
- | - | - | - | - | - | - | -76,485 | - | - |
Net income (loss) available to common Class L shareholders - basic and diluted | |||||||||
- | - | - | - | - | - | - | 79,211 | - | - |
Allocation of net income to common stockholders: Common stock-basic | |||||||||
179,520 | 157,096 | 155,995 | 93,919 | 93,287 | 71,755 | 12,623 | -76,485 | -68,083 | -75,957 |
Allocation of net income to common stockholders: Common stock-diluted | |||||||||
179,536 | 157,114 | 156,016 | - | 93,303 | 71,761 | 12,623 | -76,485 | - | - |
Earnings Per Share [Abstract] | |||||||||
Class Lbasic and diluted (in dollars per share) | |||||||||
- | - | - | - | - | - | - | 59.73 | - | - |
Earnings Per Share, Basic | |||||||||
3.10 | 2.72 | 2.65 | 1.59 | 1.53 | 1.09 | 0.20 | -12.62 | - | - |
Earnings Per Share, Diluted | |||||||||
3.05 | 2.66 | 2.59 | 1.55 | 1.50 | 1.07 | 0.20 | -12.62 | - | - |
Weighted Average Number of Shares Outstanding, Diluted [Abstract] | |||||||||
Class Lbasic and diluted (in shares) | |||||||||
- | - | - | - | - | - | - | 1,326 | - | - |
Weighted Average Number of Shares Outstanding, Basic | |||||||||
57,838 | 57,812 | 58,873 | 59,229 | 60,835 | 65,612 | 62,659 | 6,058 | - | - |
Weighted Average Number of Shares Outstanding, Diluted | |||||||||
58,947 | 59,000 | 60,253 | 60,594 | 62,360 | 67,244 | 64,509 | 6,058 | - | - |