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Guarantor and Non-Guarantor Financial Statements, Cash Flow Statements (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013
Cash flows from operating activities: |  |
Net cash (used in) provided by operating activities | $ 71.3 | $ 48.9
Cash flows from investing activities: |  |
Capital expenditures | (30.1) | (26.0)
Purchase of available for sale securities | (23.4) | (98.2)
Proceeds from disposition of available for sale securities | 25.0 | 135.7
Change in restricted cash | 0 | 0.7
Net cash provided by (used in) investing activities | (28.5) | 12.2
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 | 0.9
Cancellation of shares to cover employees’ tax withholdings upon vesting of non-vested shares | (2.4) | (2.2)
Repurchase of common stock | (23.7) | (39.9)
Cash dividend paid to stockholders | (12.8) | (11.6)
Intercompany loan | 0 | 0
Net cash provided by (used in) financing activities | (38.1) | (52.8)
Net increase (decrease) in cash and cash equivalents during the period | 4.7 | 8.3
Cash and cash equivalents at beginning of period | 169.5 | 273.4
Cash and cash equivalents at end of period | 174.2 | 281.7
Parent |  |
Cash flows from operating activities: |  |
Net cash (used in) provided by operating activities | 7.6 | (14.4)
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
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) | (2.2)
Repurchase of common stock | (23.7) | (39.9)
Cash dividend paid to stockholders | (12.8) | (11.6)
Intercompany loan | 31.3 | 68.1
Net cash provided by (used in) financing activities | (7.6) | 14.4
Net increase (decrease) in cash and cash equivalents during the period | 0 | 0
Cash and cash equivalents at beginning of period | 5.0 | 5.0
Cash and cash equivalents at end of period | 5.0 | 5.0
Guarantor Subsidiaries |  |
Cash flows from operating activities: |  |
Net cash (used in) provided by operating activities | 56.9 | 60.4
Cash flows from investing activities: |  |
Capital expenditures | (29.4) | (25.0)
Purchase of available for sale securities | (23.4) | (98.2)
Proceeds from disposition of available for sale securities | 25.0 | 135.7
Change in restricted cash |  | 0.7
Net cash provided by (used in) investing activities | (27.8) | 13.2
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 | 0.9
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
Intercompany loan | (22.9) | (64.8)
Net cash provided by (used in) financing activities | (22.1) | (63.9)
Net increase (decrease) in cash and cash equivalents during the period | 7.0 | 9.7
Cash and cash equivalents at beginning of period | 157.7 | 266.0
Cash and cash equivalents at end of period | 164.7 | 275.7
Non-Guarantor Subsidiaries |  |
Cash flows from operating activities: |  |
Net cash (used in) provided by operating activities | 6.8 | 2.9
Cash flows from investing activities: |  |
Capital expenditures | (0.7) | (1.0)
Purchase of available for sale securities | 0 | 0
Proceeds from disposition of available for sale securities | 0 | 0
Change in restricted cash |  | 0
Net cash provided by (used in) investing activities | (0.7) | (1.0)
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
Intercompany loan | (8.4) | (3.3)
Net cash provided by (used in) financing activities | (8.4) | (3.3)
Net increase (decrease) in cash and cash equivalents during the period | (2.3) | (1.4)
Cash and cash equivalents at beginning of period | 6.8 | 2.4
Cash and cash equivalents at end of period | 4.5 | 1.0
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
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
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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