Financing (Tables)

12 Months Ended

Dec. 31, 2019

Financing

Outstanding financing facilities

	December 31,
		2019		2018
Revolving Credit Facility, weighted-average variable interest rate of 3.318%	$	261,000	$	287,000
4.875% Senior Notes due 2021, effective interest rate of 4.949%		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		—
Principal amount of long-term debt		3,911,000		3,437,000
Less: Unamortized discount and debt issuance costs		20,473		19,878
Long-term debt	$	3,890,527	$	3,417,122

Principle maturities of financing facilities

	Scheduled Maturities
2020	$	—
2021		800,000
2022		561,000
2023		300,000
2024		—
Thereafter		2,250,000
Total	$	3,911,000