Subsequent Events	12 Months Ended
Dec. 31, 2014
Subsequent Events [Abstract]
Subsequent Event	Subsequent Events In January 2015, the Company issued an additional $200 million of 4.75% Senior Notes ($200 million Add-on Notes) at par. The $200 million Add-on Notes were offered as additional debt securities under an indenture dated as of April 29, 2014, pursuant to which the Company previously issued $300 million aggregate principal amount of 4.75% Senior Notes due 2022. In connection with the January 2015 issuance, the Company entered into interest rate swap agreements for a notional amount of $200 million at a floating rate of interest based on the three month LIBOR plus 2.88%. Gains and losses due to changes in the fair value of the interest rate swap will completely offset changes in the fair value of the hedged portion of the underlying debt and will be recorded as an adjustment to the $200 million Add-on Notes. In January 2015, the Company sold 25% of our ownership in Celtic Insurance Company. No gain or loss was recognized on the sale of the ownership interest. Celtic Insurance Company is included in the Specialty Services segment. Under the terms of the agreement, the Company entered into a put agreement with the noncontrolling interest holder to purchase the noncontrolling interest at a later date.

Subsequent Events

In January 2015, the Company issued an additional $200 million of 4.75% Senior Notes ($200 million Add-on Notes) at par. The $200 million Add-on Notes were offered as additional debt securities under an indenture dated as of April 29, 2014, pursuant to which the Company previously issued $300 million aggregate principal amount of 4.75% Senior Notes due 2022. In connection with the January 2015 issuance, the Company entered into interest rate swap agreements for a notional amount of $200 million at a floating rate of interest based on the three month LIBOR plus 2.88%. Gains and losses due to changes in the fair value of the interest rate swap will completely offset changes in the fair value of the hedged portion of the underlying debt and will be recorded as an adjustment to the $200 million Add-on Notes.

In January 2015, the Company sold 25% of our ownership in Celtic Insurance Company. No gain or loss was recognized on the sale of the ownership interest. Celtic Insurance Company is included in the Specialty Services segment. Under the terms of the agreement, the Company entered into a put agreement with the noncontrolling interest holder to purchase the noncontrolling interest at a later date.