| In millions, except per share items | Mar-31-15 | Dec-31-14 | Sep-30-14 | Jun-30-14 | Mar-31-14 | Dec-31-13 | Sep-30-13 | Jun-30-13 |
| | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Net income | 86.7 | 100.4 | 82.0 | 71.4 | 63.4 | 74.4 | 72.9 | 63.4 |
| Depreciation and amortization [+] | 69.4 | 66.6 | -37.3 | 14.0 | 68.3 | 69.9 | -41.9 | 9.1 |
| Depreciation | 16.8 | 15.6 | 47.9 | 27.4 | 13.4 | 14.0 | 28.2 | 17.1 |
| Amortization of intangible assets | 52.6 | 51.0 | 162.2 | 110.0 | 55.0 | 55.8 | 147.4 | 100.1 |
| Stock-based compensation | 8.8 | 9.2 | 9.0 | 8.6 | 6.8 | 5.8 | 6.6 | 6.5 |
| Tax benefit from stock-based compensation | -1.9 | 0.7 | -4.2 | -4.0 | -2.7 | 0.7 | -10.5 | -9.5 |
| Deferred taxes | 3.8 | -14.5 | -17.5 | -13.7 | -12.3 | -8.1 | -10.4 | -9.1 |
| Change in working capital [+] | -47.3 | 108.7 | 59.0 | -89.9 | 19.4 | 111.4 | -38.9 | -9.1 |
| Restricted cash | | 0.0 | 0.0 | 0.0 | | | 0.2 | 0.2 |
| Accounts receivable | -82.2 | 41.9 | -122.6 | -42.1 | -171.9 | -97.8 | -98.4 | -19.6 |
| Other current assets | 22.1 | -33.2 | -11.4 | -56.4 | 26.3 | -33.4 | 8.0 | 13.4 |
| Accounts payable | 71.9 | -138.0 | 105.0 | 38.7 | 144.3 | 101.8 | 70.2 | 11.5 |
| Accrued expenses | -59.2 | | | | 20.8 | -43.7 | | |
| Other | | 238.0 | 87.9 | -30.0 | | 184.4 | -19.0 | -14.6 |
| Other operating activities | 27.2 | -108.1 | 143.3 | 70.8 | -7.3 | -114.5 | 121.8 | 121.7 |
| Cash from operations | 146.7 | 163.1 | 234.2 | 57.2 | 135.7 | 139.6 | 99.6 | 172.9 |
| |
| Capital expenditures | -9.1 | -31.9 | -13.3 | -20.1 | -12.8 | -35.6 | -21.1 | -46.9 |
| Purchases of property and equipment | -9.1 | -31.9 | -13.3 | -20.1 | -12.8 | -35.6 | -21.1 | -46.9 |
| Acquisitions | -261.7 | | | | -2.0 | -381.8 | | -7.1 |
| Other cash from investing | | 20.0 | | | | | | |
| Cash from investing | -270.8 | -11.9 | -13.3 | -20.1 | -14.8 | -417.4 | -21.1 | -54.0 |
| |
| Option exercises | 0.0 | 0.0 | 5.6 | 4.9 | 3.6 | 0.0 | 3.0 | 1.9 |
| Financing costs | | | -2.0 | -2.0 | -1.0 | | -2.3 | -2.3 |
| Other cash from financing | -22.6 | -46.0 | -20.0 | -9.3 | 179.2 | 228.8 | -15.1 | -57.2 |
| Cash from financing | -22.7 | -46.1 | -23.6 | -12.2 | 176.6 | 228.8 | -15.7 | -56.8 |
| |
| Free cash flow | 137.5 | 131.2 | 220.9 | 37.1 | 122.9 | 104.0 | 78.5 | 126.1 |
| Per share (diluted) | $0.66 | $0.63 | $1.06 | $0.18 | $0.59 | $0.50 | $0.38 | $0.61 |