Other Expenses (Tables)

12 Months Ended

Dec. 31, 2019

Other Income and Expenses [Abstract]

Schedule of other expenses (income)

The major components of this Consolidated Statements of Operations caption are as follows:

(In thousands)	2019			2018			2017
Net gains
Harsco Environmental Segment	$	(6,303	)	$	(2,650	)	$	(1,354	)
Corporate	—			(1,218		)	—
Total net gains	(6,303		)	(3,868		)	(1,354		)
Employee termination benefit costs
Harsco Environmental Segment	1,254			2,853			4,411
Clean Earth Segment	1,960			—			—
Harsco Rail Segment	2,393			704			1,133
Corporate	1,012			1,206			1,189
Total employee termination benefit costs	6,619			4,763			6,733
Other costs to exit activities
Harsco Environmental Segment	970			352			706
Harsco Rail Segment	3,042			—			—
Corporate	196			(182		)	556
Total other costs to exit activities	4,208			170			1,262
Impaired asset write-downs
Harsco Environmental Segment	632			104			706
Harsco Rail Segment	141			—			—
Corporate	—			—			168
Total impaired asset write-downs	773			104			874
Contingent consideration adjustments
Harsco Environmental Segment	(8,506		)	(2,939		)	—
Harsco Clean Earth Segment	825			—			—
Total contingent consideration adjustments	(7,681		)	(2,939		)	—
Other income	(237		)	(431		)	(188		)
Total other (income) expenses, net	$	(2,621	)	$	(2,201	)	$	7,327