Subsequent Events	12 Months Ended
Dec. 31, 2016
Subsequent Events [Abstract]
Subsequent Events	13. Subsequent Events On February 1, 2017, we replaced our Credit Facility with a new revolving credit and term loan agreement. The new agreement includes a $1.3 billion unsecured revolving loan facility, a $200 million unsecured term loan facility, and a €200 million unsecured term loan facility. The new unsecured revolving loan facility matures in February 2021 and can be extended for an additional 12 months at our option. The $200 million unsecured term loan facility matures on February 1, 2022 and the €200 million unsecured term loan facility matures on January 31, 2020, and can be extended for an additional 12 months at our option. The commitment fee on the total facility is paid at a rate of 0.25%. The term loan and/or revolving loan commitments may be increased in an aggregate amount not to exceed $500 million. At our election, loans under the new credit facility may be made as either ABR Loans or Eurodollar Loans. The applicable margin for term loans that are ABR Loans is adjustable on a sliding scale from 0.00% to 0.95% based on our current credit rating. The applicable margin for term loans that are Eurodollar Loans is adjustable on a sliding scale from 0.90% to 1.95% based on our current credit rating. The applicable margin for revolving loans that are ABR Loans is adjustable on a sliding scale from 0.00% to 0.65% based on our current credit rating. The applicable margin for revolving loans that are Eurodollar Loans is adjustable on a sliding scale from 0.875% to 1.65% based on our current credit rating. The facility fee is adjustable on a sliding scale from 0.125% to 0.30% based on our current credit rating and is payable on the revolving loan facility. On February 2, 2017, we delivered an irrevocable notice of full redemption to the holders of the €200 million aggregate principal amount of our 5.750% Senior Notes due 2020 and set a redemption date of March 4, 2017. To fund such redemption, including any premium and accrued interest, we plan to use the proceeds of the new euro term loan together with cash on hand. With the new revolving credit facility and term loans along with the redemption of the 5.750% Senior Notes due 2020, we expect to incur a one-time debt refinancing charge of approximately $13 million in the 2017 first quarter (of which approximately $9 million relates to the redemption premium).

13. Subsequent Events

On February 1, 2017, we replaced our Credit Facility with a new revolving credit and term loan agreement. The new agreement includes a $1.3 billion unsecured revolving loan facility, a $200 million unsecured term loan facility, and a €200 million unsecured term loan facility. The new unsecured revolving loan facility matures in February 2021 and can be extended for an additional 12 months at our option. The $200 million unsecured term loan facility matures on February 1, 2022 and the €200 million unsecured term loan facility matures on January 31, 2020, and can be extended for an additional 12 months at our option. The commitment fee on the total facility is paid at a rate of 0.25%. The term loan and/or revolving loan commitments may be increased in an aggregate amount not to exceed $500 million.

At our election, loans under the new credit facility may be made as either ABR Loans or Eurodollar Loans. The applicable margin for term loans that are ABR Loans is adjustable on a sliding scale from 0.00% to 0.95% based on our current credit rating. The applicable margin for term loans that are Eurodollar Loans is adjustable on a sliding scale from 0.90% to 1.95% based on our current credit rating. The applicable margin for revolving loans that are ABR Loans is adjustable on a sliding scale from 0.00% to 0.65% based on our current credit rating. The applicable margin for revolving loans that are Eurodollar Loans is adjustable on a sliding scale from 0.875% to 1.65% based on our current credit rating. The facility fee is adjustable on a sliding scale from 0.125% to 0.30% based on our current credit rating and is payable on the revolving loan facility.

On February 2, 2017, we delivered an irrevocable notice of full redemption to the holders of the €200 million aggregate principal amount of our 5.750% Senior Notes due 2020 and set a redemption date of March 4, 2017. To fund such redemption, including any premium and accrued interest, we plan to use the proceeds of the new euro term loan together with cash on hand.

With the new revolving credit facility and term loans along with the redemption of the 5.750% Senior Notes due 2020, we expect to incur a one-time debt refinancing charge of approximately $13 million in the 2017 first quarter (of which approximately $9 million relates to the redemption premium).