RECONCILIATION OF GAAP RESEARCH AND DEVELOPMENT EXPENSES TO NON-GAAP RESEARCH AND DEVELOPMENT EXPENSES
| Three Months Ended | Nine Months Ended | ||||||||||||||
| December 31, | December 31, | ||||||||||||||
| 2019 | 2018 | 2019 | 2018 | ||||||||||||
| Research and development expenses, as reported | $ | 217.1 | $ | 217.7 | $ | 656.0 | $ | 611.6 | |||||||
| Share-based compensation expense | (21.2 | ) | (19.4 | ) | (63.0 | ) | (53.2 | ) | |||||||
| Acquisition-related costs | — | (0.3 | ) | (0.1 | ) | (1.3 | ) | ||||||||
| Non-GAAP research and development expenses | $ | 195.9 | $ | 198.0 | $ | 592.9 | $ | 557.1 | |||||||
| Non-GAAP research and development expenses as a percentage of net sales | 15.2 | % | 14.4 | % | 15.0 | % | 13.9 | % | |||||||
