| Three Months Ended | Twelve Months Ended | ||||||||||||||
| March 31, | March 31, | ||||||||||||||
| 2021 | 2020 | 2021 | 2020 | ||||||||||||
| Income tax provision (benefit) as reported | $ | 28.4 | $ | (54.1 | ) | $ | (9.9 | ) | $ | (420.2 | ) | ||||
| Income tax rate, as reported | 19.7 | % | (118.1 | )% | (2.9 | )% | (279.4 | )% | |||||||
| Other non-GAAP tax adjustment | (18.9 | ) | 82.3 | 86.7 | 516.4 | ||||||||||
| Non-GAAP income tax provision | $ | 9.5 | $ | 28.2 | $ | 76.8 | $ | 96.2 | |||||||
| Non-GAAP income tax rate | 1.8 | % | 7.0 | % | 4.1 | % | 6.3 | % | |||||||
RECONCILIATION OF GAAP NET INCOME AND GAAP DILUTED NET INCOME PER COMMON SHARE TO NON-GAAP NET INCOME AND NON-GAAP DILUTED NET INCOME PER COMMON SHARE
