| In millions, except per share items | Dec-31-16 | Dec-31-15 | Mar-31-14 | Mar-31-13 | Mar-31-12 | Mar-31-11 | Mar-31-10 | Mar-31-09 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| United States | 784.4 | 749.9 | 503.0 | 434.6 | 357.9 | | | |
| Other Countries | 19.0 | 18.5 | 16.4 | 16.2 | 12.4 | | | |
| Total revenues | 803.4 | 768.3 | 519.4 | 450.8 | 370.3 | 283.4 | 232.6 | 230.4 |
| Revenue growth [+] | 4.6% | | 15.2% | 21.7% | 30.7% | 21.9% | 1.0% | 5.2% |
| United States | 4.6% | | 15.7% | 21.4% | | | | |
| Other Countries | 2.8% | | 1.2% | 30.5% | | | | |
| Cost of goods sold | 393.0 | 392.7 | 271.9 | 237.6 | 197.9 | 144.9 | 118.4 | 116.6 |
| Gross profit | 410.5 | 375.7 | 247.5 | 213.2 | 172.4 | 138.5 | 114.2 | 113.8 |
| Gross margin | 51.1% | 48.9% | 47.6% | 47.3% | 46.6% | 48.9% | 49.1% | 49.4% |
| Selling, general and administrative [+] | 256.7 | 249.6 | 170.5 | 147.4 | 121.8 | 102.5 | 84.7 | 79.0 |
| Sales and marketing | 130.0 | 121.0 | 96.3 | 85.3 | 73.9 | 64.3 | 52.5 | 52.3 |
| General and administrative | 126.6 | 128.7 | 74.2 | 62.2 | 47.9 | 38.2 | 32.1 | 26.7 |
| Equity in earnings | 46.7 | -4.4 | -6.1 | -6.8 | -1.3 | | | |
| Other operating expenses | | | | | | | | 5.6 |
| EBITDA [+] | 200.5 | 121.6 | 71.0 | 59.0 | 49.9 | 36.6 | 29.5 | 35.8 |
| EBITDA growth | 64.8% | | 20.3% | 18.4% | 36.2% | 24.1% | -17.5% | -21.9% |
| EBITDA margin | 25.0% | 15.8% | 13.7% | 13.1% | 13.5% | 12.9% | 12.7% | 15.5% |
| Depreciation | 54.5 | 48.7 | 23.1 | 14.5 | 9.7 | 6.6 | 4.8 | 5.6 |
| EBITA | 146.0 | 72.9 | 47.9 | 44.5 | 40.1 | 30.0 | 24.7 | 30.1 |
| EBITA margin | 18.2% | 9.5% | 9.2% | 9.9% | 10.8% | 10.6% | 10.6% | 13.1% |
| Amortization of intangibles | 22.8 | 24.4 | 8.0 | 5.8 | 5.1 | 4.1 | 1.6 | 1.0 |
| EBIT [+] | 123.2 | 48.5 | 39.9 | 38.7 | 35.0 | 25.9 | 23.1 | 29.1 |
| EBIT growth | 154.0% | | 3.1% | 10.5% | 35.2% | 12.1% | -20.7% | -30.5% |
| EBIT margin | 15.3% | 6.3% | 7.7% | 8.6% | 9.5% | 9.1% | 9.9% | 12.6% |
| Non-recurring items [+] | | 107.3 | | | | | 7.4 | |
| Asset impairment | | 107.3 | | | | | 7.4 | |
| Interest expense, net [+] | 18.1 | 21.1 | -3.3 | -3.4 | -2.4 | -1.7 | -2.3 | |
| Interest expense | 18.1 | 21.1 | | | | | | |
| Interest income | | | 3.3 | 3.4 | 2.4 | 1.7 | 2.3 | |
| Other income (expense), net [+] | -49.5 | -19.5 | 5.5 | -18.8 | -12.1 | -9.1 | 0.0 | 2.4 |
| Gain (loss) on debt retirement | | -17.4 | | | | | | |
| Other | -2.8 | -6.5 | 2.7 | 2.6 | 3.0 | 1.9 | 2.3 | |
| Pre-tax income | 55.6 | -99.4 | 48.7 | 23.3 | 25.3 | 18.5 | 18.1 | 31.6 |
| Income taxes | -11.0 | -15.2 | -18.7 | -18.0 | -15.2 | -9.7 | 6.2 | 10.1 |
| Tax rate | | 15.3% | | | | | 34.3% | 32.0% |
| Minority interest | | | | -0.1 | | | | |
| Earnings from continuing ops | 91.2 | -119.0 | 23.9 | 23.4 | 22.9 | 17.6 | 12.3 | 21.5 |
| Earnings from discontinued ops | | | | | 2.4 | 0.4 | -0.4 | |
| Net income | 91.2 | -119.0 | 23.9 | 23.4 | 25.3 | 18.1 | 11.9 | 21.5 |
| Net margin | 11.4% | -15.5% | 4.6% | 5.2% | 6.8% | 6.4% | 5.1% | 9.3% |
| |
| Basic EPS [+] | $2.25 | ($2.84) | $0.66 | $0.67 | $0.70 | $0.56 | $0.79 | $1.31 |
| Growth | -179.2% | | -1.4% | -3.3% | 24.3% | -29.2% | -39.3% | -26.7% |
| Diluted EPS [+] | $2.23 | ($2.84) | $0.65 | $0.64 | $0.66 | $0.54 | $0.78 | $1.30 |
| Growth | -178.6% | | 0.2% | -2.3% | 22.8% | -31.4% | -39.6% | -24.7% |
| |
| Shares outstanding (basic) [+] | 40.5 | 41.9 | 35.9 | 34.7 | 32.8 | 31.5 | 15.5 | 16.4 |
| Growth | -3.2% | | 3.4% | 5.8% | 4.3% | 102.8% | -5.6% | -8.7% |
| Shares outstanding (diluted) [+] | 40.9 | 41.9 | 37.0 | 36.3 | 34.7 | 32.8 | 15.7 | 16.6 |
| Growth | -2.4% | | 1.8% | 4.7% | 5.6% | 109.2% | -5.2% | -11.1% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |