| In millions, except per share items | Sep-24-22 | Jun-25-22 | Mar-26-22 | Dec-25-21 | Sep-25-21 | Jun-26-21 | Mar-27-21 | Dec-26-20 |
| | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| Revenues: | | | | | | | | |
| Revenue from product and services | 953.2 | 1,002.7 | 1,435.7 | 1,471.1 | 1,316.6 | 1,168.3 | 1,537.6 | 1,609.8 |
| Revenue from product and services growth | -27.6% | -14.2% | -6.6% | -8.6% | -2.2% | 42.0% | 103.4% | 89.3% |
| Costs of revenues: | | | | | | | | |
| Cost of goods and services sold | | | | | | | | |
| Amortization of acquired intangible assets | | | | | | | | |
| Gross Profit | 514.7 | 549.8 | 946.6 | 986.3 | 828.1 | 701.6 | 1,085.8 | 1,180.4 |
| Gross margin | 54.0% | 54.8% | 65.9% | 67.0% | 62.9% | 60.1% | 70.6% | 73.3% |
| |
| Operating expenses: | | | | | | | | |
| Research and development | 76.0 | 65.1 | 69.5 | 72.8 | 76.5 | 69.0 | 71.5 | 59.3 |
| Selling and marketing | 159.3 | 152.3 | 171.4 | 147.4 | 159.0 | 142.7 | 131.5 | 128.0 |
| General and administrative | 97.2 | 91.9 | 100.5 | 117.9 | 135.5 | 117.3 | 88.9 | 91.5 |
| Amortization of acquired intangible assets | 12.0 | 11.2 | 11.3 | 10.8 | 11.5 | 10.4 | 10.2 | 10.1 |
| Impairment of acquired intangible assets and equipment | | | | | | | | |
| Restructuring and divestiture charges | 1.6 | 0.8 | -0.2 | 0.2 | 2.7 | 3.6 | 1.6 | 1.4 |
| Operating expenses | 842.2 | 705.6 | 799.8 | 791.3 | 880.1 | 776.5 | 677.7 | 667.9 |
| Income from operations | 140.9 | 263.9 | 594.1 | 641.3 | 439.5 | 358.6 | 796.8 | 885.5 |
| Operating margin | 14.8% | 26.3% | 41.4% | 43.6% | 33.4% | 30.7% | 51.8% | 55.0% |
| Interest income | 9.3 | 2.4 | 0.8 | 0.5 | 0.3 | 0.4 | 0.3 | 0.4 |
| Interest expense | -24.1 | -22.7 | -22.6 | -25.7 | -22.7 | -21.6 | -21.3 | -28.1 |
| Debt extinguishment loss | | | | -0.7 | | | | -21.6 |
| Other income (expense), net | 17.3 | 4.8 | 2.1 | 6.5 | -6.5 | 0.1 | 4.7 | -3.8 |
| Provision (benefit) for income taxes | 24.7 | 20.0 | 118.7 | 122.7 | 81.8 | 69.4 | 161.1 | 179.0 |
| Net income attributable to Hologic | 118.7 | 228.4 | 455.7 | 499.2 | 330.6 | 268.1 | 619.4 | 653.4 |
| |
| Net income per common share attributable to Hologic: | | | | | | | | |
| Basic (in dollars per share) | $0.48 | $0.91 | $1.81 | $1.97 | $1.30 | $1.05 | $2.40 | $2.53 |
| Diluted (in dollars per share) | $0.48 | $0.90 | $1.80 | $1.95 | $1.28 | $1.04 | $2.38 | $2.50 |
| |
| Weighted average number of shares outstanding: | | | | | | | | |
| Basic (in shares) | 251.5 | 250.8 | 251.6 | 253.5 | 257.0 | 256.2 | 258.5 | 258.6 |
| Diluted (in shares) | 253.8 | 253.1 | 253.7 | 256.1 | 259.7 | 258.6 | 260.7 | 261.8 |