Goodwill and Intangible Assets (Tables)

12 Months Ended

Feb. 28, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in goodwill by segment during the years ended February 28, 2017 and February 29, 2016 are as follows:

Segment	March 1, 2016		Acquisitions		Foreign Exchange Translation		February 28, 2017
	(In thousands)
Galvanizing	$	109,314	$	—	$	666	$	109,980
Energy	183,213		13,386		—		196,599
Total	$	292,527	$	13,386	$	666	$	306,579

Segment	March 1, 2015		Acquisitions		Foreign Exchange Translation			February 29, 2016
	(In thousands)
Galvanizing	$	95,538	$	15,576	$	(1,800	)	$	109,314
Energy	183,536		—		(323		)	183,213
Total	$	279,074	$	15,576	$	(2,123	)	$	292,527

Schedule of Finite-Lived Intangible Assets by Major Class

Amortizable intangible assets consisted of the following at February 28, 2017 and February 29, 2016:

	2017			2016
	(In thousands)
Amortizable intangible assets
Customer related intangibles	$	177,514		$	169,637
Non-compete agreements	5,651			5,596
Trademarks	4,569			4,569
Technology	7,400			7,400
Engineering drawings	24,600			24,600
Backlog	7,600			7,600
	227,334			219,402
Less accumulated amortization	(88,314		)	(71,201		)
	$	139,020		$	148,201

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The following table projects the estimated amortization expense for the five succeeding fiscal years and thereafter.

	(In thousands)
2018	$	16,206
2019	15,354
2020	14,831
2021	14,665
2022	12,580
Thereafter	65,384
Total	$	139,020