Senior Debt	9 Months Ended
Sep. 30, 2015
Debt Disclosure [Abstract]
Senior Debt	Senior Debt Senior Bank Debt On September 22, 2015, the Company entered into a $1.3 billion senior unsecured multicurrency revolving credit facility (the “revolver”) and a $350.0 million senior unsecured term loan facility (the “term loan” and, together with the revolver, the “credit facilities”). The credit facilities, which replaced previous credit facilities, both mature on September 30, 2020. Subject to certain conditions, the Company may increase commitments under the revolver by up to an additional $500.0 million and may borrow up to an additional $100.0 million under the term loan. The Company pays interest on any outstanding obligations under the revolver and on the term loan at specified rates, based either on the LIBOR rate or the prime rate as in effect from time to time. The credit facilities contain financial covenants with respect to leverage and interest coverage, as well as customary affirmative and negative covenants, including limitations on priority indebtedness, asset dispositions and fundamental corporate changes, and certain customary events of default. Senior Notes 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. On September 22, 2015, the Company delivered a notice to redeem all $140.0 million principal amount outstanding of its 5.25% senior unsecured notes due 2022 (the “2022 senior notes”) at a redemption price equal to 100% of the principal amount plus accrued and unpaid interest. As of the October 22, 2015 redemption date, all of the 2022 senior notes have been canceled and retired.

Senior Debt

Senior Bank Debt

On September 22, 2015, the Company entered into a $1.3 billion senior unsecured multicurrency revolving credit facility (the “revolver”) and a $350.0 million senior unsecured term loan facility (the “term loan” and, together with the revolver, the “credit facilities”). The credit facilities, which replaced previous credit facilities, both mature on September 30, 2020.

Subject to certain conditions, the Company may increase commitments under the revolver by up to an additional $500.0 million and may borrow up to an additional $100.0 million under the term loan. The Company pays interest on any outstanding obligations under the revolver and on the term loan at specified rates, based either on the LIBOR rate or the prime rate as in effect from time to time.

The credit facilities contain financial covenants with respect to leverage and interest coverage, as well as customary affirmative and negative covenants, including limitations on priority indebtedness, asset dispositions and fundamental corporate changes, and certain customary events of default.

Senior Notes

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.

On September 22, 2015, the Company delivered a notice to redeem all $140.0 million principal amount outstanding of its 5.25% senior unsecured notes due 2022 (the “2022 senior notes”) at a redemption price equal to 100% of the principal amount plus accrued and unpaid interest. As of the October 22, 2015 redemption date, all of the 2022 senior notes have been canceled and retired.