XML 48 R30.htm IDEA: XBRL DOCUMENT

Subsequent Event Subsequent Event (Notes)	12 Months Ended
Subsequent Event Subsequent Event (Notes)	Sep. 30, 2020
Subsequent Events [Abstract]
Subsequent Events [Text Block]	Subsequent Event On October 19, 2020, the Company completed its offering and sale of the 1.600% Notes due 2030 with a principal amount of $750.0 million. Interest on the notes will be payable semi-annually on April 30 and October 30 of each year, beginning on April 30, 2021. The notes contain an optional redemption feature that allows the Company to redeem each series of notes prior to maturity in whole or in part at any time, at a make-whole redemption price.