XML 74 R53.htm IDEA: XBRL DOCUMENT v3.8.0.1

Leases (Tables)

12 Months Ended

Dec. 31, 2017

Operating Leased Assets [Line Items]

Leases And Royalty Future Minimum Payments [Table Text Block]

Future minimum lease and royalty payments as of December 31, 2017 are as follows:

		Capital Leases				Operating Leases				Coal Lease and Royalty Obligations
Year Ending December 31,
		(Dollars in millions)
2018		$	39.9			$	68.5			$	6.9
2019		28.1				46.7				6.7
2020		8.1				39.3				6.5
2021		0.5				29.0				6.3
2022		0.5				11.2				6.1
2023 and thereafter		9.2				22.9				33.0
Total minimum lease payments		86.3				$	217.6			$	65.5
Less interest		10.3
Present value of minimum capital lease payments		$	76.0

X

- Definition

Leases And Royalty Future Minimum Payments Net Minimum Payments

+ References

No definition available.

+ Details

Name:	btu_LeasesAndRoyaltyFutureMinimumPaymentsTableTextBlock
Namespace Prefix:	btu_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_OperatingLeasedAssetsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration