Note 4 - Restructuring (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Restructuring and Related Costs [Table Text Block]

	Quarter Ended June 30, 2020											Quarter Ended June 30, 2019
	Infrastructure Solutions			Corrosion Protection		Energy Services		Corporate		Total		Infrastructure Solutions			Corrosion Protection		Energy Services		Corporate		Total
Severance and benefit related costs	$	118		$	106	$	69	$	57	$	350	$	551		$	1,575	$	6	$	—	$	2,132
Contract termination costs		36			175		—		—		211		(92	)		790		—		—		698
Relocation and other moving costs		—			103		—		—		103		—			144		—		—		144
Other restructuring costs (1)		(199	)		100		3,385		883		4,169		1,696			940		—		906		3,542
Total pre-tax restructuring charges	$	(45	)	$	484	$	3,454	$	940	$	4,833	$	2,155		$	3,449	$	6	$	906	$	6,516

	Six Months Ended June 30, 2020										Six Months Ended June 30, 2019
	Infrastructure Solutions		Corrosion Protection		Energy Services		Corporate		Total		Infrastructure Solutions		Corrosion Protection		Energy Services		Corporate		Total
Severance and benefit related costs	$	118	$	969	$	69	$	332	$	1,488	$	833	$	1,745	$	40	$	9	$	2,627
Contract termination costs		36		229		62		—		327		333		807		—		98		1,238
Relocation and other moving costs		—		103		34		—		137		51		144		—		—		195
Other restructuring costs (1)		162		1,079		3,385		1,878		6,504		3,440		729		—		1,153		5,322
Total pre-tax restructuring charges	$	316	$	2,380	$	3,550	$	2,210	$	8,456	$	4,657	$	3,425	$	40	$	1,260	$	9,382

	Quarter Ended June 30, 2020													Quarter Ended June 30, 2019
	Infrastructure Solutions			Corrosion Protection			Energy Services		Corporate		Total (1)			Infrastructure Solutions			Corrosion Protection		Energy Services		Corporate		Total (2)
Cost of revenues	$	52		$	(131	)	$	—	$	—	$	(79	)	$	(67	)	$	463	$	—	$	—	$	396
Operating expenses		(133	)		1,091			1,170		838		2,966			976			331		—		898		2,205
Goodwill impairment		—			—			1,258		—		1,258			—			—		—		—		—
Definite-lived intangible asset impairment		—			—			957		—		957			—			—		—		—		—
Restructuring and related charges		154			384			69		57		664			459			2,509		6		—		2,974
Other expense		(118	)		(860	)		—		45		(933	)		787			146		—		8		941
Total pre-tax restructuring charges	$	(45	)	$	484		$	3,454	$	940	$	4,833		$	2,155		$	3,449	$	6	$	906	$	6,516

	Six Months Ended June 30, 2020													Six Months Ended June 30, 2019
	Infrastructure Solutions			Corrosion Protection			Energy Services		Corporate		Total (1)			Infrastructure Solutions			Corrosion Protection			Energy Services		Corporate		Total (2)
Cost of revenues	$	69		$	175		$	—	$	—	$	244		$	(92	)	$	562		$	—	$	—	$	470
Operating expenses		316			1,642			1,170		1,219		4,347			2,322			268			—		1,145		3,735
Goodwill impairment		—			—			1,258		—		1,258			—			—			—		—		—
Definite-lived intangible asset impairment		—			—			957		—		957			—			—			—		—		—
Restructuring and related charges		154			1,301			165		332		1,952			1,217			2,696			40		107		4,060
Other expense		(223	)		(738	)		—		659		(302	)		1,210			(101	)		—		8		1,117
Total pre-tax restructuring charges	$	316		$	2,380		$	3,550	$	2,210	$	8,456		$	4,657		$	3,425		$	40	$	1,260	$	9,382

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 June 30, 2020
Severance and benefit related costs	$	4,389	$	1,488	$	(21	)	$	4,104	$	—	$	1,752
Contract termination costs		953		327		(7	)		575		—		698
Relocation and other moving costs		367		137		—			211		—		293
Other restructuring costs		2,379		6,504		(22	)		4,791		2,718		1,352
Total pre-tax restructuring charges	$	8,088	$	8,456	$	(50	)	$	9,681	$	2,718	$	4,095

								Utilized in 2019
	Reserves at December 31, 2018		2019 Charge to Income		Foreign Currency Translation			Cash(1)		Non-Cash		Reserves at June 30, 2019
Severance and benefit related costs	$	1,742	$	2,627	$	(10	)	$	1,860	$	—	$	2,499
Contract termination costs		359		1,238		(13	)		606		—		978
Relocation and other moving costs		—		195		(1	)		26		—		168
Other restructuring costs		311		5,322		(3	)		3,450		1,409		771
Total pre-tax restructuring charges	$	2,412	$	9,382	$	(27	)	$	5,942	$	1,409	$	4,416