Debt (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Outstanding Amount of Credit Facilities

Amounts outstanding under the Company’s credit facilities, net of debt issuance costs consist of the following:

	December 31, 2020		December 31, 2019
Unsecured Revolving Credit Facility, $1,500,000, LIBOR plus 1.50% variable, due October 30, 2025	$	—	$	—
Unsecured Revolving Credit Facility, $1,500,000, LIBOR plus 1.50% variable, due October 30, 2022 (Terminated as of October 30, 2020)	—		477,873
Unsecured Term Loan A, $1,100,000, LIBOR plus 1.50% variable, due October 30, 2022	—		962,500
October 27, 2020, Senior Unsecured Notes, $500,000, 1.875% fixed, due November 1, 2030	500,000		—
July 29, 2016, Series G Senior Unsecured Notes, $50,000, 3.14% fixed, due July 29, 2021	50,000		50,000
December 2, 2013, Series F Senior Unsecured Notes, $250,000, 3.74% fixed, due December 2, 2023	250,000		250,000
June 30, 2019, Series A Senior Unsecured Notes, A$155,000, 3.60% fixed, due June 30, 2024	119,133		108,422
October 30, 2017, Series J Senior Unsecured Notes, €225,000, 1.90% fixed, due October 30, 2024	276,773		252,000
June 30, 2019, Series B Senior Unsecured Notes, A$155,000, 3.93% fixed, due June 30, 2026	119,133		108,422
November 30, 2016, Series H Senior Unsecured Notes, $250,000, 3.74% fixed, due November 30, 2026	250,000		250,000
October 30, 2017, Series K Senior Unsecured Notes, €250,000, 2.31% fixed, due October 30, 2027	307,525		280,000
October 30, 2017, Series I Senior Unsecured Notes, $120,000, 4.20% fixed, due October 30, 2027	120,000		120,000
May 31, 2019, Series A Senior Unsecured Notes, €50,000, 2.05% fixed, due May 31, 2029	61,505		56,000
October 30, 2017, Series L Senior Unsecured Notes, €125,000, 2.52% fixed, due October 30, 2029	153,762		140,000
May 31, 2019, Series B Senior Unsecured Notes, €100,000, 2.24% fixed, due May 31, 2031	123,010		112,000
October 30, 2017, Series M Senior Unsecured Notes, €100,000, 2.82% fixed, due October 30, 2032	123,010		112,000
May 31, 2019, Series C Senior Unsecured Notes, €100,000, 2.45% fixed, due May 31, 2034	123,010		112,000
Other unsecured debt	114,002		40,340
Total unsecured debt	2,690,863		3,431,557
Unamortized debt issuance costs	(9,136)		(5,458)
Unamortized discounts	(4,582)		—
Total debt	2,677,145		3,426,099
Less debt due within one year	160,531		624,043
Long-term debt, excluding current portion	$	2,516,614	$	2,802,056

Schedule of Maturities of Long-term Debt

Approximate maturities under the Company’s credit facilities are as follows:

2021	$	162,429
2022	1,573
2023	250,000
2024	395,906
2025	—
Thereafter	1,880,955
	$	2,690,863