| RECONCILIATION OF OPERATING EXPENSES TO NON-GAAP OPERATING EXPENSES | |||||||||||||||
| (Unaudited, in thousands) | |||||||||||||||
|
Three Months Ended
September 30, |
Nine Months Ended
September 30, | ||||||||||||||
| 2019 | 2018 | 2019 | 2018 | ||||||||||||
| Total operating expenses | $ | 63,126 | $ | 55,525 | $ | 182,521 | $ | 157,664 | |||||||
| Adjustments to reconcile total operating expenses to non-GAAP total operating expenses: | |||||||||||||||
| Stock-based compensation expense | (20,659 | ) | (14,372 | ) | (58,185 | ) | (44,381 | ) | |||||||
| Deferred compensation plan (expense) income | 13 | (650 | ) | (2,558 | ) | (923 | ) | ||||||||
| Non-GAAP operating expenses | $ | 42,480 | $ | 40,503 | $ | 121,778 | $ | 112,360 | |||||||
| RECONCILIATION OF OPERATING INCOME TO NON-GAAP OPERATING INCOME | |||||||||||||||
| (Unaudited, in thousands) | |||||||||||||||
|
Three Months Ended
September 30, |
Nine Months Ended
September 30, | ||||||||||||||
| 2019 | 2018 | 2019 | 2018 | ||||||||||||
| Total operating income | $ | 30,032 | $ | 33,493 | $ | 71,868 | $ | 80,411 | |||||||
| Adjustments to reconcile total operating income to non-GAAP total operating income: | |||||||||||||||
| Stock-based compensation expense | 21,300 | 14,843 | 60,019 | 45,765 | |||||||||||
| Amortization of acquisition-related intangible assets | 8 | 197 | 110 | 644 | |||||||||||
| Deferred compensation plan expense | 12 | 650 | 2,584 | 923 | |||||||||||
| Non-GAAP operating income | $ | 51,352 | $ | 49,183 | $ | 134,581 | $ | 127,743 | |||||||
