...We are offering $250 million aggregate principal amount of 2.500% Senior Notes due 2021, or the 2021 notes, and $400 million aggregate principal amount of 3.250% Senior Notes due 2025, or the 2025 notes, and collectively with the 2021 notes, the notes. We will pay interest on the 2021 notes semi-annually in arrears on April 15 and October 15 each year, beginning on October 15, 2015. We will pay interest on the 2025 notes semi-annually in arrears on April 15 and October 15 each year, beginning on October 15, 2015. The 2021 notes will mature on April 15, 2021 and the 2025 notes will mature on April 15, 2025. We may redeem the notes at our option, at any time in whole or from time to time in part, at the applicable redemption price described in this prospectus supplement under "Description of Notes--Optional Redemption." If a Change of Control Triggering Event, as defined herein, occurs, unless we have exercised our option to redeem the notes, holders of the notes may require us to repurchase...