Debt - Adjusted Financial Statements to Apply Adopted Guidance (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended | | |
Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019 |
Statement of operations | | | | | | | | |
Interest expense, net | | | $ 0 | | $ 0.3 | $ 0 | | |
Income from operations before income taxes | $ 4 | | (2.2) | | 4.1 | (4.4) | | |
Income tax benefit | (2.5) | | (2) | | (1.6) | (2.3) | | |
Net income/(loss) | 6.5 | $ (0.8) | (0.2) | $ (1.9) | 5.7 | (2.1) | | |
Adjustments to reconcile net income to cash provided by operating activities: | | | | | | | | |
Deferred income taxes | | | | | (3) | (1.9) | | |
Deferred financing fees amortization | | | | | 0.3 | 0 | | |
Cash provided/(required) by operating activities | | | | | 30.6 | (0.3) | | |
Net increase in cash and cash equivalents | | | | | | 0.4 | | |
Cash and cash equivalents, beginning of period | | | | 16.8 | | 16.8 | | |
Cash and cash equivalents, end of period | | | $ 17.2 | | | $ 17.2 | | |
Net loss per weighted average share - basic (in dollars per share) | | | $ 0 | | | $ (0.01) | | |
Net loss weighted average share - diluted (in dollars per share) | | | $ 0 | | | $ (0.01) | | |
Balance Sheet | | | | | | | | |
Deferred income taxes | 16.5 | | | | 16.5 | | $ 13.4 | |
Long-term debt | 239.7 | | | | 239.7 | | 274.6 | |
Total current and long-term liabilities | 355.4 | | | | 355.4 | | 400.6 | |
Common stock, $0.001 per share par value | 0.1 | | | | 0.1 | | 0.1 | |
Capital in excess of par value of common stock | 775.2 | | | | 775.2 | | 520.9 | |
Retained earnings | 66 | | | | 66 | | 60.3 | |
Accumulated other comprehensive loss | (43.4) | | | | (43.4) | | (44.4) | |
Treasury stock, common; 100,566 and 99,268 shares at June 30, 2021 and December 31, 2020, respectively | (0.8) | | | | (0.8) | | (0.7) | |
Total equity | 797.1 | 535.6 | $ 541.7 | 540.8 | 797.1 | $ 541.7 | 536.2 | $ 544 |
Total liabilities and equity | 1,152.5 | | | | 1,152.5 | | 936.8 | |
Statement of cash flows | | | | | | | | |
Net loss | 6.5 | (0.8) | $ (0.2) | $ (1.9) | 5.7 | $ (2.1) | | |
Accounting Standards Update 2020-06 | | | | | | | | |
Statement of operations | | | | | | | | |
Interest expense, net | 0 | | | | 0.3 | | | |
Income from operations before income taxes | 4 | | | | 4.1 | | | |
Income tax benefit | (2.5) | | | | | | | |
Net income/(loss) | 6.5 | | | | 5.7 | | | |
Adjustments to reconcile net income to cash provided by operating activities: | | | | | | | | |
Deferred income taxes | | | | | (3) | | | |
Deferred financing fees amortization | | | | | 0.3 | | | |
Cash provided/(required) by operating activities | | | | | 3 | | | |
Net increase in cash and cash equivalents | | | | | 205 | | | |
Cash and cash equivalents, beginning of period | | 11.6 | | | 11.6 | | | |
Cash and cash equivalents, end of period | $ 216.6 | | | | $ 216.6 | | | |
Net loss per weighted average share - basic (in dollars per share) | $ 0.04 | | | | $ 0.04 | | | |
Net loss weighted average share - diluted (in dollars per share) | $ 0.03 | | | | $ 0.03 | | | |
Balance Sheet | | | | | | | | |
Deferred income taxes | $ 5.8 | | | | $ 5.8 | | 5.6 | |
Long-term debt | 239.7 | | | | 239.7 | | 274.6 | |
Total current and long-term liabilities | 245.5 | | | | 245.5 | | 280.2 | |
Common stock, $0.001 per share par value | 0.1 | | | | 0.1 | | 0.1 | |
Capital in excess of par value of common stock | 775.2 | | | | 775.2 | | 520.9 | |
Retained earnings | 66 | | | | 66 | | 60.3 | |
Accumulated other comprehensive loss | (43.4) | | | | (43.4) | | (44.4) | |
Treasury stock, common; 100,566 and 99,268 shares at June 30, 2021 and December 31, 2020, respectively | (0.8) | | | | (0.8) | | (0.7) | |
Total equity | 797.1 | | | | 797.1 | | 536.2 | |
Total liabilities and equity | 1,042.6 | | | | 1,042.6 | | 816.4 | |
Statement of cash flows | | | | | | | | |
Net loss | 6.5 | | | | 5.7 | | | |
As computed under ASC 470-20 | | | | | | | | |
Statement of operations | | | | | | | | |
Interest expense, net | 1.7 | | | | 3.7 | | | |
Income from operations before income taxes | 2.3 | | | | 0.7 | | | |
Income tax benefit | (2.9) | | | | (2.4) | | | |
Net income/(loss) | 5.2 | | | | 3.1 | | | |
Adjustments to reconcile net income to cash provided by operating activities: | | | | | | | | |
Deferred income taxes | | | | | (3.8) | | | |
Deferred financing fees amortization | | | | | 3.7 | | | |
Cash provided/(required) by operating activities | | | | | 3 | | | |
Net increase in cash and cash equivalents | | | | | 205 | | | |
Cash and cash equivalents, beginning of period | | 11.6 | | | 11.6 | | | |
Cash and cash equivalents, end of period | $ 216.6 | | | | $ 216.6 | | | |
Net loss per weighted average share - basic (in dollars per share) | $ 0.03 | | | | $ 0.02 | | | |
Net loss weighted average share - diluted (in dollars per share) | $ 0.03 | | | | $ 0.02 | | | |
Balance Sheet | | | | | | | | |
Deferred income taxes | $ 13.2 | | | | $ 13.2 | | 13.9 | |
Long-term debt | 205.3 | | | | 205.3 | | 236.7 | |
Total current and long-term liabilities | 218.5 | | | | 218.5 | | 250.6 | |
Common stock, $0.001 per share par value | 0.1 | | | | 0.1 | | 0.1 | |
Capital in excess of par value of common stock | 807.4 | | | | 807.4 | | 553.1 | |
Retained earnings | 60.8 | | | | 60.8 | | 57.7 | |
Accumulated other comprehensive loss | (43.4) | | | | (43.4) | | (44.4) | |
Treasury stock, common; 100,566 and 99,268 shares at June 30, 2021 and December 31, 2020, respectively | (0.8) | | | | (0.8) | | (0.7) | |
Total equity | 824.1 | | | | 824.1 | | 565.8 | |
Total liabilities and equity | 1,042.6 | | | | 1,042.6 | | 816.4 | |
Statement of cash flows | | | | | | | | |
Net loss | 5.2 | | | | 3.1 | | | |
Effect of change | Accounting Standards Update 2020-06 | | | | | | | | |
Statement of operations | | | | | | | | |
Interest expense, net | (1.7) | | | | (3.4) | | | |
Income from operations before income taxes | 1.7 | | | | 3.4 | | | |
Income tax benefit | 0.4 | | | | 0.8 | | | |
Net income/(loss) | 1.3 | | | | 2.6 | | | |
Adjustments to reconcile net income to cash provided by operating activities: | | | | | | | | |
Deferred income taxes | | | | | 0.8 | | | |
Deferred financing fees amortization | | | | | (3.4) | | | |
Cash provided/(required) by operating activities | | | | | 0 | | | |
Net increase in cash and cash equivalents | | | | | 0 | | | |
Cash and cash equivalents, beginning of period | | $ 0 | | | 0 | | | |
Cash and cash equivalents, end of period | $ 0 | | | | $ 0 | | | |
Net loss per weighted average share - basic (in dollars per share) | $ 0.01 | | | | $ 0.02 | | | |
Net loss weighted average share - diluted (in dollars per share) | $ 0 | | | | $ 0.01 | | | |
Balance Sheet | | | | | | | | |
Deferred income taxes | $ (7.4) | | | | $ (7.4) | | (8.3) | |
Long-term debt | 34.4 | | | | 34.4 | | 37.9 | |
Total current and long-term liabilities | 27 | | | | 27 | | 29.6 | |
Common stock, $0.001 per share par value | 0 | | | | 0 | | 0 | |
Capital in excess of par value of common stock | (32.2) | | | | (32.2) | | (32.2) | |
Retained earnings | 5.2 | | | | 5.2 | | 2.6 | |
Accumulated other comprehensive loss | 0 | | | | 0 | | 0 | |
Treasury stock, common; 100,566 and 99,268 shares at June 30, 2021 and December 31, 2020, respectively | 0 | | | | 0 | | 0 | |
Total equity | (27) | | | | (27) | | (29.6) | |
Total liabilities and equity | 0 | | | | 0 | | $ 0 | |
Statement of cash flows | | | | | | | | |
Net loss | $ 1.3 | | | | $ 2.6 | | | |