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 |
Operating activities | | | | | | | | |
Net (loss) income | -14.0 | -11.3 | 2.0 | 0.7 | 0.6 | -5.7 | 11.9 | -1.6 |
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Adjustments to reconcile net (loss) income to net cash from operating activities: | | | | | | | | |
Depreciation and amortization | 23.5 | 23.1 | 11.1 | 12.2 | 11.9 | 11.7 | 6.1 | 5.7 |
Amortization of right-of-use assets | 2.2 | 2.3 | 1.3 | | | | | |
Amortization of deferred costs | 0.8 | 0.8 | 0.6 | 0.6 | 0.6 | 0.5 | 0.4 | |
Gain on disposal of equipment | -0.1 | 0.0 | 0.0 | 0.1 | -0.1 | -0.2 | 0.1 | 0.0 |
Impairment of intangible assets | 6.0 | | | | | | | |
Impairment of other long-lived assets | 0.1 | | | | | | 0.7 | |
Stock-based compensation expense | 5.3 | 5.5 | 4.2 | 4.1 | 5.0 | 4.7 | 3.7 | 3.5 |
Benefit for deferred income taxes | -2.9 | -4.9 | -7.3 | -0.4 | 0.1 | 1.3 | -17.7 | -0.3 |
Non-cash interest expense related to amortization of debt discount | 2.3 | 2.2 | 1.7 | 1.6 | 1.6 | 1.6 | 1.5 | 1.5 |
Other non-cash items, net | -0.4 | -0.3 | 0.0 | -0.3 | 0.1 | 0.0 | 0.1 | -0.2 |
Changes in assets and liabilities: | | | | | | | | |
Accounts receivable | 3.2 | 3.8 | -0.4 | 1.0 | -0.6 | -1.8 | -4.6 | 1.3 |
Prepaid expenses and other current assets | -0.6 | 5.0 | -5.4 | -1.4 | -0.7 | -1.6 | 0.1 | -0.6 |
Other assets | -0.6 | -1.6 | 0.1 | -0.6 | -0.9 | -1.6 | -2.2 | -0.4 |
Accounts payable | 0.1 | 5.4 | -0.9 | -1.5 | -1.9 | 0.3 | -4.2 | 4.7 |
Accrued expenses and other current liabilities | 4.5 | -13.6 | 7.3 | 2.3 | 0.8 | -0.5 | 3.0 | 1.2 |
Other long-term liabilities | -2.3 | -5.5 | -1.4 | -0.2 | -0.1 | -0.2 | 0.3 | 0.0 |
Deferred revenue | 2.0 | 9.4 | 5.7 | 1.6 | 0.7 | 5.0 | 4.1 | -1.4 |
Net cash provided by operating activities | 29.3 | 20.3 | 18.7 | 19.8 | 17.0 | 13.6 | 3.3 | 13.9 |
|
Investing activities | | | | | | | | |
Purchases of property and equipment | -3.5 | -3.3 | -2.8 | -3.2 | -2.1 | -4.5 | -3.3 | -5.4 |
Proceeds from sale of property and equipment and businesses | 0.1 | 0.0 | 0.1 | 0.2 | 0.1 | 0.2 | 0.3 | 0.0 |
Proceeds from maturities of derivatives | 0.5 | 1.3 | 0.0 | | 0.9 | 1.7 | | |
Purchases of derivatives | | | 0.0 | 1.4 | | | -1.4 | 4.8 |
Payment for intangibles | | | | | -4.5 | | -1.3 | -1.3 |
Payment for acquisition, net of cash acquired | 0.3 | -132.4 | -489.6 | | | 0.0 | -144.6 | |
Net cash used in investing activities | -2.7 | -134.3 | -492.3 | -1.6 | -5.6 | -2.6 | -150.2 | -6.7 |
|
Financing activities | | | | | | | | |
Proceeds from exercise of stock options | 0.1 | 1.7 | 0.1 | 1.5 | 0.2 | 1.4 | 0.7 | 1.9 |
Proceeds from issuance of common stock for secondary offering | | | | 0.0 | 199.3 | | | |
Proceeds from issuance of treasury stock under employee stock purchase plan | 0.1 | 1.7 | 0.1 | 1.5 | 0.2 | 1.4 | 0.7 | 1.9 |
Payments of withholding taxes in connection with restricted stock unit vesting | | -0.2 | -0.8 | -0.7 | -1.0 | -0.6 | -0.6 | -0.5 |
Proceeds from long-term borrowings, net of debt issuance costs | -0.5 | -2.4 | 531.9 | | | -0.9 | 89.0 | |
Payments on long-term borrowings | -10.0 | -55.0 | | 90.0 | -80.0 | -10.0 | | 39.2 |
Net cash provided by financing activities | -10.4 | -55.8 | 531.3 | -20.7 | 118.5 | -10.1 | 89.2 | 1.3 |
Effect of currency exchange rate changes on cash | -1.0 | 0.4 | -0.5 | -0.3 | 0.1 | -0.8 | 0.5 | 0.3 |
Net (decrease) increase in cash, cash equivalents and restricted cash | -97.1 | | | | 72.8 | | | |
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Supplemental disclosure of cash flow information | | | | | | | | |
Cash paid for income taxes, net | 2.8 | 0.4 | 0.2 | 0.3 | -0.2 | 0.2 | 0.3 | -0.1 |
Cash paid for interest | 2.8 | 10.5 | | 1.8 | 0.4 | 2.6 | | |
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Supplemental disclosure of non-cash investing and financing activities: | | | | | | | | |
Capitalization of stock-based compensation | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 |
Acquisition of property and equipment included in accounts payable and accrued expenses | -0.8 | 1.1 | 0.0 | -0.5 | 0.4 | -2.8 | 2.8 | -3.3 |