Financing (Tables)

3 Months Ended

Mar. 31, 2020

Financing

Outstanding financing facilities

	March 31, 2020		December 31, 2019
Revolving Credit Facility, weighted-average variable interest rate of 2.213%	$	344,000	$	261,000
4.875% Senior Notes due 2021, effective interest rate of 4.948%		500,000		500,000
4.625% Senior Notes due 2021, effective interest rate of 4.644%		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		4,494,000		3,911,000
Less: Unamortized discount and debt issuance costs		22,752		20,473
Long-term debt	$	4,471,248	$	3,890,527