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Debt (Details) (USD $) Share data in Millions, unless otherwise specified | 0 Months Ended | 3 Months Ended | 0 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 13, 2014 | Jun. 30, 2014 | Apr. 15, 2014 Senior Unsecured Term Loan | Apr. 15, 2014 Senior Unsecured Term Loan | Feb. 11, 2014 Senior Notes 4.25% Senior Notes Due 2024 | Jun. 30, 2014 Senior Unsecured Revolving Credit Facility Line of Credit
Long-term debt |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 250,000,000 |  | $ 1,250,000,000
Line of credit outstanding |  |  |  |  |  | 50,000,000
Term |  |  | 5 years |  |  |
Additional borrowing capacity |  |  |  | 100,000,000 |  |
Face amount |  |  |  |  | 400,000,000 |
Interest rate |  |  |  |  | 4.25% |
Shares issued in connection with conversion | 1.9 |  |  |  |  |
Expense recognized upon redemption |  | $ 18,800,000 |  |  |  |

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