In millions, except per share items | Dec-31-22 | Jun-30-21 | Dec-31-20 | Jun-30-20 | Dec-31-19 | Jun-30-19 | Dec-31-18 |
| 10-K | 8-K | 10-K/A | 8-K | 10-K/A | 8-K | 10-K/A |
Revenues: | | | | | | | |
Total revenues | 717.8 | 611.6 | | 478.2 | | 440.1 | |
Total revenues growth | | 27.9% | | 8.7% | | | |
Cost of revenues: | | | | | | | |
Total cost of revenues | 407.7 | | | | | | |
Gross profit | 310.1 | 251.8 | | 197.0 | | 188.2 | |
Gross margin | 43.2% | 41.2% | | 41.2% | | 42.8% | |
|
Operating expenses: | | | | | | | |
Selling, general and administrative | 362.3 | 211.2 | | 158.1 | | 145.4 | |
Research and development | 30.3 | 29.4 | | 15.9 | | 14.0 | |
Total operating expenses | 607.9 | 240.6 | 2.4 | 174.0 | 0.0 | 159.4 | |
Loss from operations | -297.8 | 11.2 | | 23.0 | | 28.8 | |
Operating margin | -41.5% | 1.8% | | 4.8% | | 6.5% | |
|
Other expense (income): | | | | | | | |
Third party interest expense | 41.9 | | | | | | |
Loss on debt extinguishment | | | | | | 12.8 | |
Foreign currency (gain) loss, net | 4.9 | | | | | | |
Increase (decrease) in fair value of warrant liabilities | -37.6 | | -43.1 | | | | |
Other income, net | 0.4 | 1.1 | | 1.0 | | -1.9 | |
Loss before income taxes | -306.6 | | -45.5 | | 0.0 | | |
Benefit from income taxes | -18.2 | -5.9 | -0.3 | -5.5 | | -4.2 | |
Net loss | -288.4 | | | | | | |
Loss attributable to noncontrolling interests | -11.5 | | | | | | |
Net loss attributable to Mirion Technologies, Inc. | -276.9 | -158.4 | | -119.1 | | -122.0 | |
|
Net loss per common share attributable to Mirion Technologies, Inc. stockholders — basic | ($1.53) | | | | | | |
Net loss per common share attributable to Mirion Technologies, Inc. stockholders — diluted | ($1.53) | | | | | | |
|
Weighted average common shares outstanding — basic (in shares) | 181.1 | 6.5 | 57.0 | 6.5 | 20.1 | 6.3 | |
Weighted average common shares outstanding — diluted (in shares) | 181.1 | | | | | | |