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Management - Labor Relations | 12 Months Ended
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Dec. 31, 2017
Risk Management Labor Relations [Abstract] |
Management - Labor Relations | Management — Labor Relations On December 31, 2017, the Company had approximately 7,100 employees worldwide, including approximately 5,500 hourly employees; the employee amounts exclude employees that were employed at operations classified as discontinued operations. Approximately 38% of those hourly employees were represented by organized labor unions and were employed by mines that generated 20% of the Company’s 2017 coal production from continuing operations. In the U.S., one surface mine is represented by an organized labor union. In Australia, the coal mining industry is unionized and the majority of hourly workers employed at the Company’s Australian Mining operations are members of trade unions. The Construction Forestry Mining and Energy Union generally represents the Company’s Australian subsidiaries’ hourly production and engineering employees, including those employed through contract mining relationships. The Company believes labor relations with its employees are good. Should that condition change, the Company could experience labor disputes, work stoppages or other disruptions in production that could negatively impact the Company’s results of operations and cash flows. The following table presents the Company’s active mining operations as of December 31, 2017 in which the employees are represented by organized labor unions:
Mine |  | Current Agreement Expiration Date
U. S. |  |
Kayenta (1) |  | September 2019
Australia |  |
Owner-operated mines: |  |
Wambo Open-Cut (2) |  | December 2018
Wambo Underground (2) |  | April 2015
North Goonyella (3) |  | December 2018
Metropolitan (4) |  | January 2021
Millennium (5) |  | March 2019
Wilpinjong (6) |  | May 2020
Coppabella (7) |  | December 2016
Moorvale (8) |  | June 2020
(1) | Hourly workers at the Company’s Kayenta Mine in Arizona are represented by the UMWA under the Western Surface Agreement, which is effective through September 16, 2019. This agreement covers approximately 7% of the Company’s U.S. subsidiaries’ hourly employees, who generated approximately 4% of the Company’s U.S. production during the year ended December 31, 2017.
(2) | Employees of the Wambo Open-Cut Mine operate under a separate enterprise agreement which will expire in December 2018. Negotiations for a new agreement are expected to commence in the fourth quarter of 2018. There were no wage increases over the three-year term of the current labor agreement. Employees of the Company's Wambo Underground Mine operate under a separate labor agreement. That agreement expired in April 2015. The parties are currently renegotiating the new labor agreement and reached an agreement in principle which is subject to an employee vote in the first quarter of 2018. There have been no wage increases and no disruptions in the mine’s operations since the agreement expired. The Wambo coal handling and preparation plant hourly employees are under a separate labor agreement that expires in December 2018 and extension negotiations are expected to commence in the fourth quarter of 2018. Hourly employees of these mines comprise approximately 20% of the Company’s Australian subsidiaries’ hourly employees, who generated approximately 19% of the Company’s Australian production during the year ended December 31, 2017.
(3) | Employees of the North Goonyella Mine operate under a separate enterprise agreement which will expire in December 2018. Negotiations for a new agreement are expected to commence in the fourth quarter of 2018. There were no wage increases over the three-year term of the current labor agreement. Hourly employees of this mine comprise approximately 7% of the Company’s Australian subsidiaries’ hourly employees, who generated approximately 11% of the Company’s Australian production during the year ended December 31, 2017.
(4) | Employees of the Company’s Metropolitan Mine operate under a separate labor agreement, which expires in January 2021. There is also a deputy labor agreement which expired in September 2015. The parties have been in ongoing negotiations for an extension to the agreement. There have been no disruptions to the mine’s operations as a result of the expiration of the agreement. Hourly employees of this mine comprise approximately 12% of the Company’s Australian subsidiaries’ hourly employees, who generated approximately 3% of the Company’s Australian production during the year ended December 31, 2017.
(5) | In March 2017, the Company entered into a new two-year labor agreement which expires in March 2019. The new agreement has minimal wage increases. Hourly employees of this mine comprise approximately 15% of the Company’s Australian subsidiaries’ hourly employees, who generated approximately 10% of the Company’s Australian production during the year ended December 31, 2017.
(6) | In May 2017, the Company entered into a new three-year labor agreement which expires in May 2020. The new agreement has minimal wage increases. Hourly employees of this mine comprise approximately 21% of the Company’s Australian subsidiaries’ hourly employees, who generated approximately 42% of the Company’s Australian production during the year ended December 31, 2017.
(7) | Employees of the Company’s Coppabella Mine operate under a separate enterprise agreement which expired in December 2016. The negotiations for a new labor agreement are progressing and the parties reached an agreement in principle which is subject to an employee vote in the first quarter of 2018. There were no wage increases or disruptions to the mine’s operations as a result of the expiration of the agreement. Hourly employees of this mine comprise approximately 16% of the Company’s Australian subsidiaries’ hourly employees, who generated approximately 9% of the Company’s Australian production during the year ended December 31, 2017.
(8) | Employees of the Company’s Moorvale Mine operate on individual contracts underpinned by a non-union enterprise agreement. Employees are managed according to their individual contracts rather than the enterprise agreement. In July 2017, all employees signed a memorandum of understanding agreeing to a rollover of the existing enterprise agreement until June 20, 2020.

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