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Guarantor and Non-Guarantor Financial Statements, Cash Flow Statements (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013
Cash flows from operating activities: |  |
Net cash (used in) provided by operating activities | $ 103.7 | $ 90.6
Cash flows from investing activities: |  |
Capital expenditures | (39.6) | (47.0)
Purchase of available for sale securities | (53.4) | (201.8)
Proceeds from disposition of available for sale securities | 82.2 | 170.7
Change in restricted cash | (0.7) | 0.7
Net cash provided by (used in) investing activities | (11.5) | (77.4)
Cash flows from financing activities: |  |
Excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest | 0.8 | 1.0
Cancellation of shares to cover employees’ tax withholdings upon vesting of non-vested shares | (2.4) | (2.4)
Repurchase of common stock | (28.7) | (43.9)
Cash dividend paid to stockholders | (19.1) | (17.3)
Receipts of cash dividends from distribution of bankruptcy trust | 0 | 0.6
Intercompany loan | 0 | 0
Net cash provided by (used in) financing activities | (49.4) | (62.0)
Net increase (decrease) in cash and cash equivalents during the period | 42.8 | (48.8)
Cash and cash equivalents at beginning of period | 169.5 | 273.4
Cash and cash equivalents at end of period | 212.3 | 224.6
Parent |  |
Cash flows from operating activities: |  |
Net cash (used in) provided by operating activities | 13.9 | (15.6)
Cash flows from investing activities: |  |
Capital expenditures | 0 | 0
Purchase of available for sale securities | 0 | 0
Proceeds from disposition of available for sale securities | 0 | 0
Change in restricted cash | 0 | 0
Net cash provided by (used in) investing activities | 0 | 0
Cash flows from financing activities: |  |
Excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest | 0 | 0
Cancellation of shares to cover employees’ tax withholdings upon vesting of non-vested shares | (2.4) | (2.4)
Repurchase of common stock | (28.7) | (43.9)
Cash dividend paid to stockholders | (19.1) | (17.3)
Receipts of cash dividends from distribution of bankruptcy trust |  | 0.6
Intercompany loan | 31.3 | 78.6
Net cash provided by (used in) financing activities | (18.9) | 15.6
Net increase (decrease) in cash and cash equivalents during the period | (5.0) | 0
Cash and cash equivalents at beginning of period | 5.0 | 5.0
Cash and cash equivalents at end of period | 0 | 5.0
Guarantor Subsidiaries |  |
Cash flows from operating activities: |  |
Net cash (used in) provided by operating activities | 82.7 | 102.8
Cash flows from investing activities: |  |
Capital expenditures | (38.1) | (44.8)
Purchase of available for sale securities | (53.4) | (201.8)
Proceeds from disposition of available for sale securities | 82.2 | 170.7
Change in restricted cash | (0.7) | 0.7
Net cash provided by (used in) investing activities | (10.0) | (75.2)
Cash flows from financing activities: |  |
Excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest | 0.8 | 1.0
Cancellation of shares to cover employees’ tax withholdings upon vesting of non-vested shares | 0 | 0
Repurchase of common stock | 0 | 0
Cash dividend paid to stockholders | 0 | 0
Receipts of cash dividends from distribution of bankruptcy trust |  | 0
Intercompany loan | (22.6) | (77.5)
Net cash provided by (used in) financing activities | (21.8) | (76.5)
Net increase (decrease) in cash and cash equivalents during the period | 50.9 | (48.9)
Cash and cash equivalents at beginning of period | 157.7 | 266.0
Cash and cash equivalents at end of period | 208.6 | 217.1
Non-Guarantor Subsidiaries |  |
Cash flows from operating activities: |  |
Net cash (used in) provided by operating activities | 7.1 | 3.4
Cash flows from investing activities: |  |
Capital expenditures | (1.5) | (2.2)
Purchase of available for sale securities | 0 | 0
Proceeds from disposition of available for sale securities | 0 | 0
Change in restricted cash | 0 | 0
Net cash provided by (used in) investing activities | (1.5) | (2.2)
Cash flows from financing activities: |  |
Excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest | 0 | 0
Cancellation of shares to cover employees’ tax withholdings upon vesting of non-vested shares | 0 | 0
Repurchase of common stock | 0 | 0
Cash dividend paid to stockholders | 0 | 0
Receipts of cash dividends from distribution of bankruptcy trust |  | 0
Intercompany loan | (8.7) | (1.1)
Net cash provided by (used in) financing activities | (8.7) | (1.1)
Net increase (decrease) in cash and cash equivalents during the period | (3.1) | 0.1
Cash and cash equivalents at beginning of period | 6.8 | 2.4
Cash and cash equivalents at end of period | 3.7 | 2.5
Consolidating Adjustments |  |
Cash flows from operating activities: |  |
Net cash (used in) provided by operating activities | 0 | 0
Cash flows from investing activities: |  |
Capital expenditures | 0 | 0
Purchase of available for sale securities | 0 | 0
Proceeds from disposition of available for sale securities | 0 | 0
Change in restricted cash | 0 | 0
Net cash provided by (used in) investing activities | 0 | 0
Cash flows from financing activities: |  |
Excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest | 0 | 0
Cancellation of shares to cover employees’ tax withholdings upon vesting of non-vested shares | 0 | 0
Repurchase of common stock | 0 | 0
Cash dividend paid to stockholders | 0 | 0
Receipts of cash dividends from distribution of bankruptcy trust |  | 0
Intercompany loan | 0 | 0
Net cash provided by (used in) financing activities | 0 | 0
Net increase (decrease) in cash and cash equivalents during the period | 0 | 0
Cash and cash equivalents at beginning of period | 0 | 0
Cash and cash equivalents at end of period | $ 0 | $ 0

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