Chapter 11 Filing, Going Concern and Other Related Matters (Tables)

6 Months Ended

Jun. 30, 2020

Liabilities Subject to Compromise Disclosures [Abstract]

Schedule of Liabilities Subject to Compromise [Table Text Block]

Liabilities subject to compromise was as follows at:

(Millions)	June 30, 2020		December 31, 2019
Accounts payable	$	227.3	$	335.7
Advance payments	6.2		6.6
Accrued taxes	26.2		24.5
Other current liabilities	95.1		97.1
Deferred taxes	91.7		72.6
Operating lease liabilities	3,934.7		4,040.7
Pension and other employee benefit plan obligations	305.6		314.0
Other liabilities	185.0		200.7
Accounts payable, accrued and other liabilities	4,871.8		5,091.9
Debt subject to compromise	5,599.3		5,599.3
Accrued interest on debt subject to compromise	28.9		28.9
Long-term debt and accrued interest	5,628.2		5,628.2
Total liabilities subject to compromise	$	10,500.0	$	10,720.1

Reorganization Items [Abstract]

Schedule Of Reorganization Items [Table Text Block]

Reorganization items, net incurred as a result of the Chapter 11 Cases presented separately in the accompanying consolidated statement of operations was as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
(Millions)	2020			2019			2020			2019
Professional fees and other bankruptcy-related costs	$	47.3		$	47.7		$	92.1		$	66.7
Provision for estimated damages on rejected executory contracts	11.2			25.3			11.2			25.3
Backstop premium	60.0			—			60.0			—
Gain on write-off of net lease liabilities for rejected leases	—			(17.4		)	—			(17.4		)
Gain on vendor settlements of liabilities subject to compromise	(4.1		)	(8.5		)	(8.4		)	(8.5		)
Write-off of deferred long-term debt issuance costs	—			30.6			—			54.7
Write-off of original issue net discount on debt subject to compromise	—			5.5			—			27.1
Debtor-in-possession financing costs	—			2.2			—			42.4
Reorganization items, net	$	114.4		$	85.4		$	154.9		$	190.3