Capitalized Interest (Tables)

12 Months Ended

Sep. 30, 2020

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Inventory, Interest Capitalization Policy [Table Text Block]

The following table summarizes the Company’s interest costs incurred, capitalized and expensed in fiscal 2020, 2019 and the nine months ended September 30, 2018.

	Year Ended September 30,				Nine Months Ended September 30, 2018
	2020		2019
	(In millions)
Capitalized interest, beginning of period	$	23.7	$	3.2	$	0.5
Interest incurred	43.3		25.3		7.3
Interest expensed:
Directly to interest expense	—		—		(3.7)
Charged to cost of sales	(18.3)		(4.8)		(0.9)
Capitalized interest, end of period	$	48.7	$	23.7	$	3.2