RECONCILIATION OF OPERATING INCOME TO NON-GAAP OPERATING INCOME | ||||||||||||||||
(Unaudited, in thousands) | ||||||||||||||||
Three Months Ended
September 30, |
Nine Months Ended
September 30, | |||||||||||||||
2020 | 2019 | 2020 | 2019 | |||||||||||||
Total operating income | $ | 59,979 | $ | 30,032 | $ | 118,920 | $ | 71,868 | ||||||||
Adjustments to reconcile total operating income to non-GAAP total operating income: | ||||||||||||||||
Stock-based compensation expense | 22,975 | 21,300 | 62,581 | 60,019 | ||||||||||||
Amortization of acquisition-related intangible assets | - | 8 | - | 110 | ||||||||||||
Deferred compensation plan expense | 1,946 | 12 | 2,322 | 2,584 | ||||||||||||
Non-GAAP operating income | $ | 84,900 | $ | 51,352 | $ | 183,823 | $ | 134,581 |