Revenue Recognition (Tables)

3 Months Ended

Dec. 31, 2019

Revenue From Contract With Customer [Abstract]

Schedule of Disaggregates Revenue by Geographical Market and Product Type (Segment)

The tables below disaggregate our revenue by geographical market and product type (segment).

	Three Months Ended December 31, 2019
(In millions)	Corrugated Packaging		Consumer Packaging		Land and Development		Intersegment Sales			Total
Primary Geographical Markets
North America	$	2,788.9	$	1,198.8	$	18.9	$	(41.5	)	$	3,965.1
South America		107.6		20.0		—		—			127.6
Europe		1.8		244.6		—		—			246.4
Asia Pacific		11.2		73.5		—		(0.1	)		84.6
Total (1)	$	2,909.5	$	1,536.9	$	18.9	$	(41.6	)	$	4,423.7

^{(1) Net sales are attributed to geographical markets based on the location of the seller.}

	Three Months Ended December 31, 2018
(In millions)	Corrugated Packaging		Consumer Packaging		Land and Development		Intersegment Sales			Total
Primary Geographical Markets
North America	$	2,606.4	$	1,256.4	$	13.9	$	(37.9	)	$	3,838.8
South America		108.8		19.5		—		—			128.3
Europe		—		260.5		—		—			260.5
Asia Pacific		18.6		82.4		—		(1.2	)		99.8
Total (1)	$	2,733.8	$	1,618.8	$	13.9	$	(39.1	)	$	4,327.4

^{(1) Net sales are attributed to geographical markets based on the location of the seller.}

Summary of Opening and Closing Balances of Contract Assets and Contract Liabilities

The opening and closing balances of our contract assets and contract liabilities are as follows. Contract assets and contract liabilities are aggregated within Other current assets and Other current liabilities, respectively, on the condensed consolidated balance sheet.

(In millions)	Contract Assets (Short-Term)		Contract Liabilities (Short-Term)
Beginning balance - October 1, 2019	$	188.0	$	7.7
Ending balance - December 31, 2019		195.4		22.8
Increase / (Decrease)	$	7.4	$	15.1