Financing (Tables)

6 Months Ended

Jun. 30, 2020

Financing

Outstanding financing facilities

	June 30, 2020		December 31, 2019
Revolving Credit Facility	$	—	$	261,000
4.875% Senior Notes due 2021, effective interest rate of 4.947%		500,000		500,000
4.625% Senior Notes due 2021, effective interest rate of 4.643%		300,000		300,000
3.800% Senior Notes due 2022, effective interest rate of 3.845%		300,000		300,000
3.850% Senior Notes due 2023, effective interest rate of 3.851%		300,000		300,000
3.550% Senior Notes due 2026, effective interest rate of 3.570%		500,000		500,000
3.600% Senior Notes due 2027, effective interest rate of 3.619%		750,000		750,000
4.350% Senior Notes due 2028, effective interest rate of 4.383%		500,000		500,000
3.900% Senior Notes due 2029, effective interest rate of 3.901%		500,000		500,000
4.200% Senior Notes due 2030, effective interest rate of 4.205%		500,000		—
Principal amount of long-term debt		4,150,000		3,911,000
Less: Unamortized discount and debt issuance costs		22,603		20,473
Long-term debt	$	4,127,397	$	3,890,527