Note 4 - Restructuring (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Restructuring and Related Costs [Table Text Block]

	Quarter Ended September 30, 2020											Quarter Ended September 30, 2019
	Infrastructure Solutions			Corrosion Protection		Energy Services		Corporate		Total		Infrastructure Solutions		Corrosion Protection		Energy Services		Corporate		Total
Severance and benefit related costs	$	(89	)	$	1,952	$	172	$	3	$	2,038	$	210	$	447	$	74	$	416	$	1,147
Contract termination costs		—			188		86		—		274		201		8		—		—		209
Relocation and other moving costs		—			23		—		—		23		79		—		—		—		79
Other restructuring costs (1)		(1,386	)		2,325		611		358		1,908		5,414		463		65		1,230		7,172
Total pre-tax restructuring charges	$	(1,475	)	$	4,488	$	869	$	361	$	4,243	$	5,904	$	918	$	139	$	1,646	$	8,607

	Nine Months Ended September 30, 2020											Nine Months Ended September 30, 2019
	Infrastructure Solutions			Corrosion Protection		Energy Services		Corporate		Total		Infrastructure Solutions		Corrosion Protection		Energy Services		Corporate		Total
Severance and benefit related costs	$	29		$	2,921	$	241	$	335	$	3,526	$	1,043	$	2,192	$	114	$	425	$	3,774
Contract termination costs		36			417		148		—		601		534		815		—		98		1,447
Relocation and other moving costs		—			126		34		—		160		130		144		—		—		274
Other restructuring costs (1)		(1,224	)		3,404		3,996		2,236		8,412		8,854		1,192		65		2,383		12,494
Total pre-tax restructuring charges	$	(1,159	)	$	6,868	$	4,419	$	2,571	$	12,699	$	10,561	$	4,343	$	179	$	2,906	$	17,989

	Quarter Ended September 30, 2020														Quarter Ended September 30, 2019
	Infrastructure Solutions			Corrosion Protection			Energy Services		Corporate			Total (1)			Infrastructure Solutions			Corrosion Protection			Energy Services		Corporate		Total (2)
Cost of revenues	$	—		$	1,830		$	—	$	—		$	1,830		$	(30	)	$	(3	)	$	—	$	—	$	(33	)
Operating expenses		(87	)		527			611		495			1,546			748			315			65		732		1,860
Restructuring and related charges		(89	)		2,163			258		3			2,335			490			455			74		416		1,435
Other expense		(1,299	)		(32	)		—		(137	)		(1,468	)		4,696			151			—		498		5,345
Total pre-tax restructuring charges	$	(1,475	)	$	4,488		$	869	$	361		$	4,243		$	5,904		$	918		$	139	$	1,646	$	8,607

	Nine Months Ended September 30, 2020													Nine Months Ended September 30, 2019
	Infrastructure Solutions			Corrosion Protection			Energy Services		Corporate		Total (1)			Infrastructure Solutions			Corrosion Protection		Energy Services		Corporate		Total (2)
Cost of revenues	$	69		$	2,005		$	—	$	—	$	2,074		$	(122	)	$	559	$	—	$	—	$	437
Operating expenses		229			2,169			1,781		1,714		5,893			3,070			583		65		1,877		5,595
Goodwill impairment		—			—			1,258		—		1,258			—			—		—		—		—
Definite-lived intangible asset impairment		—			—			957		—		957			—			—		—		—		—
Restructuring and related charges		65			3,464			423		335		4,287			1,707			3,151		114		523		5,495
Other expense		(1,522	)		(770	)		—		522		(1,770	)		5,906			50		—		506		6,462
Total pre-tax restructuring charges	$	(1,159	)	$	6,868		$	4,419	$	2,571	$	12,699		$	10,561		$	4,343	$	179	$	2,906	$	17,989

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

								Utilized in 2020
	Reserves at December 31, 2019		2020 Charge to Income		Foreign Currency Translation			Cash(1)		Non-Cash		Reserves at September 30, 2020
Severance and benefit related costs	$	4,389	$	3,526	$	(18	)	$	6,567	$	—	$	1,330
Contract termination costs		953		601		(7	)		961		—		586
Relocation and other moving costs		367		160		1			288		—		240
Other restructuring costs		2,379		8,412		(12	)		6,139		3,282		1,358
Total pre-tax restructuring charges	$	8,088	$	12,699	$	(36	)	$	13,955	$	3,282	$	3,514

								Utilized in 2019
	Reserves at December 31, 2018		2019 Charge to Income		Foreign Currency Translation			Cash(1)		Non-Cash		Reserves at September 30, 2019
Severance and benefit related costs	$	1,742	$	3,774	$	(26	)	$	2,434	$	—	$	3,056
Contract termination costs		359		1,447		(30	)		1,153		—		623
Relocation and other moving costs		—		274		(4	)		198		—		72
Other restructuring costs		311		12,494		(9	)		5,954		6,419		423
Total pre-tax restructuring charges	$	2,412	$	17,989	$	(69	)	$	9,739	$	6,419	$	4,174