Annual report pursuant to Section 13 and 15(d)

Short-term Financing (Description of Credit Facilities) (Details)

v3.20.2
Short-term Financing (Description of Credit Facilities) (Details) - Revolving Credit Facility [Member] - USD ($)
$ in Millions
 12 Months Ended
Mar. 17, 2016
Aug. 05, 2015
May 31, 2020
Line of Credit Facility [Line Items]      
Maximum Amount Available     $ 1,800.0
Amount Outstanding [1]     $ 5.1
JP Morgan Chase Bank, N.A. [Member] | JPM $1 Billion Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Expiration Date   Jul. 31, 2019 Jul. 31, 2024 [2],[3]
Maximum Amount Available   $ 1,000.0 $ 1,000.0 [2],[3]
JP Morgan Chase Bank, N.A. [Member] | JPM $500 Million Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Expiration Date [2]     Aug. 17, 2022
Maximum Amount Available [2]     $ 500.0
PNC Bank, National Association [Member] | PNC $250 Million Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Expiration Date [4]     Feb. 06, 2023
Maximum Amount Available [4]     $ 250.0
Amount Outstanding [4]     $ 5.1
Weighted-average interest rate     1.28%
PNC Bank, National Association [Member] | PNC $150 Million Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Expiration Date Feb. 06, 2020    
Maximum Amount Available $ 150.0    
[1] The total amount available under these credit facilities as of May 31, 2020 was approximately $1.8 billion. Amounts under the PNC credit facility remain outstanding as of the date of this report.
[2] JPM acts as the administrative agent for this syndicated credit facility.
[3] This agreement replaced the Company’s predecessor five-year unsecured $1.0 billion credit facility dated August 5, 2015, which was terminated on July 31, 2019.
[4] This agreement replaced the Company’s predecessor four-year unsecured $150.0 million credit facility dated March 17, 2016, which was terminated on February 6, 2020.