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Condensed Guarantor and Non-Guarantor Financial Information, Cash Flow Statements (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Cash flows from operating activities: |  |  |
Net cash provided by operating activities | [1] | $ 26.1 | $ 4.1
Cash flows from investing activities |  |  |
Capital expenditures |  | (19.7) | (14.8)
Purchase of available for sale securities |  | 0.0 | (74.7)
Proceeds from disposition of available for sale securities |  | 100.3 | 110.9
Intercompany loans receivable |  | 0.0 | 0.0
Net cash provided by investing activities | [2] | 80.6 | 21.4
Cash flows from financing activities |  |  |
Repayment of capital lease |  | (0.2) | (0.2)
Cancellation of shares to cover employees' tax withholdings upon vesting of non-vested shares |  | (6.9) | (4.4)
Repurchase of common stock |  | (5.7) | (32.6)
Cash dividends paid to Parent |  | 0.0 |
Cash dividends and dividend equivalents paid |  | (10.0) | (9.3)
Intercompany loans payable |  | 0.0 | 0.0
Net cash (used in) financing activities | [2] | (22.8) | (46.5)
Net increase in cash, cash equivalents, and restricted cash during the period |  | 83.9 | (21.0)
Cash, cash equivalents and restricted cash at beginning of period |  | 64.3 | 67.7
Cash, cash equivalents and restricted cash at end of period |  | 148.2 | 46.7
Consolidating Adjustments |  |  |
Cash flows from operating activities: |  |  |
Net cash provided by operating activities |  | (100.0) | 0.0
Cash flows from investing activities |  |  |
Capital expenditures |  | 0.0 | 0.0
Purchase of available for sale securities |  |  | 0.0
Proceeds from disposition of available for sale securities |  | 0.0 | 0.0
Intercompany loans receivable |  | 77.0 | (47.3)
Net cash provided by investing activities |  | 77.0 | (47.3)
Cash flows from financing activities |  |  |
Repayment of capital lease |  | 0.0 | 0.0
Cancellation of shares to cover employees' tax withholdings upon vesting of non-vested shares |  | 0.0 | 0.0
Repurchase of common stock |  | 0.0 | 0.0
Cash dividends paid to Parent |  | 100.0 |
Cash dividends and dividend equivalents paid |  | 0.0 | 0.0
Intercompany loans payable |  | (77.0) | 47.3
Net cash (used in) financing activities |  | 23.0 | 47.3
Net increase in cash, cash equivalents, and restricted cash during the period |  | 0.0 | 0.0
Cash, cash equivalents and restricted cash at beginning of period |  | 0.0 | 0.0
Cash, cash equivalents and restricted cash at end of period |  | 0.0 | 0.0
Parent |  |  |
Cash flows from operating activities: |  |  |
Net cash provided by operating activities |  | 99.7 | (0.3)
Cash flows from investing activities |  |  |
Capital expenditures |  | 0.0 | 0.0
Purchase of available for sale securities |  |  | 0.0
Proceeds from disposition of available for sale securities |  | 0.0 | 0.0
Intercompany loans receivable |  | (77.1) | 46.6
Net cash provided by investing activities |  | (77.1) | 46.6
Cash flows from financing activities |  |  |
Repayment of capital lease |  | 0.0 | 0.0
Cancellation of shares to cover employees' tax withholdings upon vesting of non-vested shares |  | (6.9) | (4.4)
Repurchase of common stock |  | (5.7) | (32.6)
Cash dividends paid to Parent |  | 0.0 |
Cash dividends and dividend equivalents paid |  | (10.0) | (9.3)
Intercompany loans payable |  | 0.0 | 0.0
Net cash (used in) financing activities |  | (22.6) | (46.3)
Net increase in cash, cash equivalents, and restricted cash during the period |  | 0.0 | 0.0
Cash, cash equivalents and restricted cash at beginning of period |  | 0.0 | 0.0
Cash, cash equivalents and restricted cash at end of period |  | 0.0 | 0.0
Guarantor Subsidiaries |  |  |
Cash flows from operating activities: |  |  |
Net cash provided by operating activities |  | 25.6 | 2.6
Cash flows from investing activities |  |  |
Capital expenditures |  | (19.4) | (14.7)
Purchase of available for sale securities |  |  | (74.7)
Proceeds from disposition of available for sale securities |  | 100.3 | 110.9
Intercompany loans receivable |  | 0.0 | 0.0
Net cash provided by investing activities |  | 80.9 | 21.5
Cash flows from financing activities |  |  |
Repayment of capital lease |  | (0.2) | (0.2)
Cancellation of shares to cover employees' tax withholdings upon vesting of non-vested shares |  | 0.0 | 0.0
Repurchase of common stock |  | 0.0 | 0.0
Cash dividends paid to Parent |  | (100.0) |
Cash dividends and dividend equivalents paid |  | 0.0 | 0.0
Intercompany loans payable |  | 77.0 | (47.3)
Net cash (used in) financing activities |  | (23.2) | (47.5)
Net increase in cash, cash equivalents, and restricted cash during the period |  | 83.3 | (23.4)
Cash, cash equivalents and restricted cash at beginning of period |  | 61.3 | 65.1
Cash, cash equivalents and restricted cash at end of period |  | 144.6 | 41.7
Non-Guarantor Subsidiaries |  |  |
Cash flows from operating activities: |  |  |
Net cash provided by operating activities |  | 0.8 | 1.8
Cash flows from investing activities |  |  |
Capital expenditures |  | (0.3) | (0.1)
Purchase of available for sale securities |  |  | 0.0
Proceeds from disposition of available for sale securities |  | 0.0 | 0.0
Intercompany loans receivable |  | 0.1 | 0.7
Net cash provided by investing activities |  | (0.2) | 0.6
Cash flows from financing activities |  |  |
Repayment of capital lease |  | 0.0 | 0.0
Cancellation of shares to cover employees' tax withholdings upon vesting of non-vested shares |  | 0.0 | 0.0
Repurchase of common stock |  | 0.0 | 0.0
Cash dividends paid to Parent |  | 0.0 |
Cash dividends and dividend equivalents paid |  | 0.0 | 0.0
Intercompany loans payable |  | 0.0 | 0.0
Net cash (used in) financing activities |  | 0.0 | 0.0
Net increase in cash, cash equivalents, and restricted cash during the period |  | 0.6 | 2.4
Cash, cash equivalents and restricted cash at beginning of period |  | 3.0 | 2.6
Cash, cash equivalents and restricted cash at end of period |  | $ 3.6 | $ 5.0
[1] | See Note 8 for adjustments made to arrive at our Consolidated Balance Sheet as of January 1, 2018 upon adopting ASC 606 (as defined in Note 1).
[2] | See Note 12 for the supplemental disclosure on non-cash transactions.

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