Debt	9 Months Ended
Sep. 30, 2018
Debt Disclosure [Abstract]
Debt	Debt On August 28, 2018, the Company completed a public offering of $700.0 aggregate principal amount of 3.65% senior unsecured notes due September 15, 2023 (“2023 Notes”) and $800.0 aggregate principal amount of 4.20% senior unsecured notes due September 15, 2028 (“2028 Notes” and, together with the 2023 Notes, the “Notes”). The net proceeds were used to redeem all of the $500.0 of outstanding 6.25% senior notes due September 1, 2019 (the “2019 Notes”) and a portion of the outstanding amounts under the unsecured credit facility. The Company incurred a debt extinguishment charge in connection with the 2019 Notes redemption of $15.9, which represents the make-whole premium and unamortized deferred financing costs. The 2023 Notes and 2028 Notes bear interest at a fixed rate of 3.65% and 4.20% per year, respectively, and are payable semi-annually in arrears on March 15 and September 15 of each year, beginning March 15, 2019. Roper may redeem some or all of the Notes at any time, or from time to time, at 100% of their principal amount, plus a make-whole premium based on a spread to U.S. Treasury securities. The Notes are senior unsecured obligations of the Company and rank equally in right of payment with all of its existing and future senior unsecured indebtedness. The Notes are effectively subordinated to any of our existing and future secured indebtedness to the extent of the value of the collateral securing such indebtedness. The Notes are not, and will not be, guaranteed by any of our subsidiaries and are effectively subordinated to all existing and future indebtedness and other liabilities of our subsidiaries. The Company had $800.0 of 2.05% senior notes mature on October 1, 2018. The Company used borrowings from its unsecured credit facility to repay these notes at maturity.

Debt

On August 28, 2018, the Company completed a public offering of $700.0 aggregate principal amount of 3.65% senior unsecured notes due September 15, 2023 (“2023 Notes”) and $800.0 aggregate principal amount of 4.20% senior unsecured notes due September 15, 2028 (“2028 Notes” and, together with the 2023 Notes, the “Notes”). The net proceeds were used to redeem all of the $500.0 of outstanding 6.25% senior notes due September 1, 2019 (the “2019 Notes”) and a portion of the outstanding amounts under the unsecured credit facility. The Company incurred a debt extinguishment charge in connection with the 2019 Notes redemption of $15.9, which represents the make-whole premium and unamortized deferred financing costs.

The 2023 Notes and 2028 Notes bear interest at a fixed rate of 3.65% and 4.20% per year, respectively, and are payable semi-annually in arrears on March 15 and September 15 of each year, beginning March 15, 2019.

Roper may redeem some or all of the Notes at any time, or from time to time, at 100% of their principal amount, plus a make-whole premium based on a spread to U.S. Treasury securities.

The Notes are senior unsecured obligations of the Company and rank equally in right of payment with all of its existing and future senior unsecured indebtedness. The Notes are effectively subordinated to any of our existing and future secured indebtedness to the extent of the value of the collateral securing such indebtedness. The Notes are not, and will not be, guaranteed by any of our subsidiaries and are effectively subordinated to all existing and future indebtedness and other liabilities of our subsidiaries.

The Company had $800.0 of 2.05% senior notes mature on October 1, 2018. The Company used borrowings from its unsecured credit facility to repay these notes at maturity.