In millions, except per share items | Sep-30-19 | Jun-30-19 | Mar-31-19 | Dec-31-18 | Sep-30-18 | Jun-30-18 | Mar-31-18 | Dec-31-17 |
| 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K |
ASSETS | | | | | | | | |
Current assets: | | | | | | | | |
Cash and cash equivalents | 98.5 | 83.4 | 252.6 | 198.1 | 201.0 | 71.0 | 71.0 | 128.2 |
Trade accounts receivable, less allowances for doubtful accounts of $1,713 and $892 | 43.4 | 47.1 | 50.5 | 31.6 | 32.6 | 32.1 | 31.2 | 22.2 |
Prepaid expenses and other current assets | 22.9 | 22.6 | 30.7 | 10.4 | 10.1 | 10.6 | 8.7 | 6.8 |
Total current assets | 164.8 | 153.1 | 333.8 | 240.1 | 243.6 | 113.7 | 110.8 | 157.3 |
Property and equipment, net | 44.2 | 46.0 | 45.4 | 34.1 | 35.4 | 36.6 | 38.6 | 28.8 |
Right-of-use lease assets | 44.8 | 48.3 | 55.2 | | | | | |
Other assets | 24.5 | 24.2 | 26.3 | 13.9 | 13.1 | 12.3 | 10.8 | 0.8 |
Acquired intangible assets, net | 391.8 | 417.8 | 430.3 | 118.0 | 126.5 | 134.8 | 138.6 | 45.0 |
Goodwill | 544.0 | 543.5 | 541.2 | 155.1 | 155.3 | 155.3 | 157.2 | 81.0 |
Total assets | 1,214.1 | 1,232.8 | 1,432.3 | 561.1 | 573.9 | 452.7 | 456.1 | 312.8 |
|
LIABILITIES AND STOCKHOLDERS’ EQUITY | | | | | | | | |
Current liabilities: | | | | | | | | |
Accounts payable | 7.4 | 7.8 | 4.9 | 2.1 | 4.1 | 5.8 | 9.6 | 10.8 |
Accrued compensation | 20.4 | 20.9 | 21.8 | | 9.4 | 10.0 | | |
Accrued expenses and other current liabilities | 32.5 | 29.9 | 47.6 | 15.8 | 15.8 | 34.5 | 25.2 | 11.8 |
Current portion of deferred revenue | 183.4 | 180.1 | 172.4 | 121.6 | 121.3 | 121.0 | 116.9 | 100.2 |
Total current liabilities | 243.6 | 238.7 | 379.1 | 151.1 | 267.2 | 155.8 | 151.6 | 132.8 |
Long-term debt | 590.8 | 598.3 | 645.4 | 118.3 | | 195.0 | 203.4 | 111.8 |
Long-term lease liabilities | 43.4 | 46.8 | 51.8 | | | | | |
Deferred revenue, net of current portion | 41.6 | 43.7 | 42.4 | 29.2 | 28.0 | 27.7 | 27.5 | 24.3 |
Long-term deferred tax liabilities | 40.3 | 43.1 | 46.3 | | | | | |
Other long-term liabilities | 8.2 | 3.1 | 4.1 | 5.3 | 5.7 | 5.9 | 6.2 | 5.7 |
Total liabilities | 967.9 | 973.7 | 1,169.1 | 303.9 | 301.0 | 384.3 | 388.7 | 274.6 |
|
Commitments and contingencies (Note 14) | | | | | | | | |
Stockholders’ equity: | | | | | | | | |
Common stock | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 |
Additional paid-in capital | 466.7 | 461.6 | 456.0 | 451.6 | 420.4 | 243.1 | 237.9 | 233.3 |
Treasury stock, at cost | -47.6 | -47.9 | -49.3 | -48.5 | -27.8 | -26.9 | -27.2 | -26.6 |
Accumulated other comprehensive (loss) income | -2.3 | 2.2 | 2.0 | 1.7 | 1.5 | 1.1 | -0.1 | 0.6 |
Accumulated deficit | -171.1 | -157.2 | -145.9 | -147.9 | -148.6 | -149.2 | -143.5 | -169.3 |
Total stockholders’ equity | 246.1 | 259.2 | 263.2 | 257.2 | 245.8 | 68.4 | 67.4 | 38.3 |
Total liabilities and stockholders’ equity | 1,214.1 | 1,232.8 | 1,432.3 | 561.1 | 573.9 | 452.7 | 456.1 | 312.8 |