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Restructuring Charges - By segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Restructuring charges
Restructuring charges	$ 897	$ 1,728
Severance costs
Restructuring charges
Restructuring charges	888	1,728
Organizational Restructuring
Restructuring charges
Restructuring charges		1,728
Estimated additional charges	0
Organizational Restructuring | Severance costs
Restructuring charges
Restructuring charges		1,728
Pandemic Restructuring
Restructuring charges
Restructuring charges	888
Pandemic Restructuring | Severance costs
Restructuring charges
Restructuring charges	888
Restructuring charges incurred to date	6,100
Property Restructuring
Restructuring charges
Restructuring charges	9
Restructuring charges incurred to date	1,500
Property Restructuring | Impairment
Restructuring charges
Restructuring charges	9
Corporate
Restructuring charges
Restructuring charges	594
Corporate | Organizational Restructuring
Restructuring charges
Restructuring charges		625
Corporate | Pandemic Restructuring
Restructuring charges
Restructuring charges	585
Corporate | Property Restructuring
Restructuring charges
Restructuring charges	9
Contract Operations | Operating Segments
Restructuring charges
Restructuring charges	279
Contract Operations | Operating Segments | Organizational Restructuring
Restructuring charges
Restructuring charges		478
Contract Operations | Operating Segments | Pandemic Restructuring
Restructuring charges
Restructuring charges	279
Aftermarket Services | Operating Segments
Restructuring charges
Restructuring charges	24
Aftermarket Services | Operating Segments | Organizational Restructuring
Restructuring charges
Restructuring charges		$ 625
Aftermarket Services | Operating Segments | Pandemic Restructuring
Restructuring charges
Restructuring charges	$ 24

X

- Definition

Amount of costs incurred to date for the specified restructuring cost.

+ References

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