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Senior Debt
3 Months Ended
Mar. 31, 2015
Debt Disclosure [Abstract]  
Senior Debt
Debt
On February 13, 2015, the Company issued $350.0 million aggregate principal amount of 3.50% senior unsecured notes due 2025 (the “2025 senior notes”). The 2025 senior notes pay interest semi-annually and may be redeemed at any time, in whole or in part, at a make-whole redemption price plus accrued and unpaid interest. In addition to customary event of default provisions, the indenture limits the Company's ability to consolidate, merge or sell all or substantially all of its assets.