Note 4 - Restructuring (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Restructuring and Related Costs [Table Text Block]

	Quarter Ended September 30, 2019										Quarter Ended September 30, 2018
	Infrastructure Solutions		Corrosion Protection		Energy Services		Corporate		Total		Infrastructure Solutions		Corrosion Protection		Corporate		Total
Severance and benefit related costs	$	210	$	447	$	74	$	416	$	1,147	$	914	$	35	$	—	$	949
Contract termination costs		201		8		—		—		209		215		—		—		215
Relocation and other moving costs		79		—		—		—		79		55		—		—		55
Other restructuring costs (1)		5,414		463		65		1,230		7,172		4,952		988		264		6,204
Total pre-tax restructuring charges	$	5,904	$	918	$	139	$	1,646	$	8,607	$	6,136	$	1,023	$	264	$	7,423

	Nine Months Ended September 30, 2019										Nine Months Ended September 30, 2018
	Infrastructure Solutions		Corrosion Protection		Energy Services		Corporate		Total		Infrastructure Solutions		Corrosion Protection		Corporate		Total
Severance and benefit related costs	$	1,043	$	2,192	$	114	$	425	$	3,774	$	2,695	$	352	$	170	$	3,217
Contract termination costs		534		815		—		98		1,447		1,052		—		150		1,202
Relocation and other moving costs		130		144		—		—		274		129		—		—		129
Other restructuring costs (1)		8,854		1,192		65		2,383		12,494		8,006		2,471		555		11,032
Total pre-tax restructuring charges	$	10,561	$	4,343	$	179	$	2,906	$	17,989	$	11,882	$	2,823	$	875	$	15,580

	Quarter Ended September 30, 2019													Quarter Ended September 30, 2018
	Infrastructure Solutions			Corrosion Protection			Energy Services		Corporate		Total (1)			Infrastructure Solutions		Corrosion Protection		Corporate		Total (2)
Cost of revenues	$	(30	)	$	(3	)	$	-	$	-	$	(33	)	$	138	$	567	$	—	$	705
Operating expenses		748			315			65		732		1,860			2,333		421		264		3,018
Goodwill impairment		—			—			—		—		—			1,389		—		—		1,389
Definite-lived intangible asset impairment		—			—			—		—		—			870		—		—		870
Restructuring and related charges		490			455			74		416		1,435			1,184		35		—		1,219
Other expense		4,696			151			—		498		5,345			222		—		—		222
Total pre-tax restructuring charges	$	5,904		$	918		$	139	$	1,646	$	8,607		$	6,136	$	1,023	$	264	$	7,423

	Nine Months Ended September 30, 2019											Nine Months Ended September 30, 2018
	Infrastructure Solutions			Corrosion Protection		Energy Services		Corporate		Total (1)		Infrastructure Solutions		Corrosion Protection		Corporate		Total (2)
Cost of revenues	$	(122	)	$	559	$	—	$	—	$	437	$	138	$	567	$	—	$	705
Operating expenses		3,070			583		65		1,877		5,595		5,387		1,904		555		7,846
Goodwill impairment		—			—		—		—		—		1,389		—		—		1,389
Definite-lived intangible asset impairment		—			—		—		—		—		870		—		—		870
Restructuring and related charges		1,707			3,151		114		523		5,495		3,876		352		320		4,548
Other expense		5,906			50		—		506		6,462		222		—		—		222
Total pre-tax restructuring charges	$	10,561		$	4,343	$	179	$	2,906	$	17,989	$	11,882	$	2,823	$	875	$	15,580

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

								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

								Utilized in 2018
	Reserves at December 31, 2017		2018 Charge to Income		Foreign Currency Translation			Cash(1)		Non-Cash		Reserves at September 30, 2018
Severance and benefit related costs	$	3,864	$	3,217	$	(30	)	$	4,754	$	—	$	2,297
Contract termination costs		650		1,202		(4	)		1,337		—		511
Relocation and other moving costs		—		129		—			129		—		—
Other restructuring costs		675		11,032		—			3,204		8,150		353
Total pre-tax restructuring charges	$	5,189	$	15,580	$	(34	)	$	9,424	$	8,150	$	3,161