Segment Information (Tables)

12 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Results of Operations

Results of Operations

(In thousands)

	Electrical Infrastructure			Oil Gas & Chemical		Storage Solutions		Industrial			Unallocated Corporate		Total
Twelve months ended June 30, 2015
Gross revenues	$	257,930		$	310,826	$	504,155	$	281,319		$	—	$	1,354,230
Less: inter-segment revenues	—			5,466		1,032		4,597			—		11,095
Consolidated revenues	257,930			305,360		503,123		276,722			—		1,343,135
Gross profit (loss)	(31,444		)	25,394		58,085		35,335			—		87,370
Operating income (loss)	(44,293		)	7,064		29,069		16,962			—		8,802
Segment assets	129,725			108,960		172,857		102,761			54,028		568,331
Capital expenditures	579			3,858		2,396		1,139			7,801		15,773
Depreciation and amortization expense	4,915			4,772		7,298		6,495			—		23,480
Twelve months ended June 30, 2014
Gross revenues	$	205,570		$	240,131	$	611,826	$	206,933		$	—	$	1,264,460
Less: inter-segment revenues	—			441		930		—			—		1,371
Consolidated revenues	205,570			239,690		610,896		206,933			—		1,263,089
Gross profit	20,629			26,912		68,448		20,484			—		136,473
Operating income	7,703			9,939		34,310		6,655			—		58,607
Segment assets	120,264			72,406		200,493		105,049			70,720		568,932
Capital expenditures	9,055			5,421		2,519		1,157			5,437		23,589
Depreciation and amortization expense	3,292			3,768		7,707		3,751			—		18,518
Twelve months ended June 30, 2013
Gross revenues	$	171,204		$	273,979	$	395,794	$	54,321		$	—	$	895,298
Less: inter-segment revenues	—			131		2,593		—			—		2,724
Consolidated revenues	171,204			273,848		393,201		54,321			—		892,574
Gross profit	21,754			32,879		37,455		2,614			—		94,702
Operating income (loss)	11,185			15,415		11,904		(1,790		)	—		36,714
Segment assets	64,771			75,591		159,149		27,347			83,120		409,978
Capital expenditures	2,129			2,942		9,929		1,645			6,586		23,231
Depreciation and amortization expense	2,167			2,943		6,740		932			—		12,782

Summary of revenues and long lived assets according to geographic areas

(In thousands)

	Electrical Infrastructure			Oil Gas & Chemical		Storage Solutions		Industrial			Unallocated Corporate		Total
Twelve months ended June 30, 2015
Gross revenues	$	257,930		$	310,826	$	504,155	$	281,319		$	—	$	1,354,230
Less: inter-segment revenues	—			5,466		1,032		4,597			—		11,095
Consolidated revenues	257,930			305,360		503,123		276,722			—		1,343,135
Gross profit (loss)	(31,444		)	25,394		58,085		35,335			—		87,370
Operating income (loss)	(44,293		)	7,064		29,069		16,962			—		8,802
Segment assets	129,725			108,960		172,857		102,761			54,028		568,331
Capital expenditures	579			3,858		2,396		1,139			7,801		15,773
Depreciation and amortization expense	4,915			4,772		7,298		6,495			—		23,480
Twelve months ended June 30, 2014
Gross revenues	$	205,570		$	240,131	$	611,826	$	206,933		$	—	$	1,264,460
Less: inter-segment revenues	—			441		930		—			—		1,371
Consolidated revenues	205,570			239,690		610,896		206,933			—		1,263,089
Gross profit	20,629			26,912		68,448		20,484			—		136,473
Operating income	7,703			9,939		34,310		6,655			—		58,607
Segment assets	120,264			72,406		200,493		105,049			70,720		568,932
Capital expenditures	9,055			5,421		2,519		1,157			5,437		23,589
Depreciation and amortization expense	3,292			3,768		7,707		3,751			—		18,518
Twelve months ended June 30, 2013
Gross revenues	$	171,204		$	273,979	$	395,794	$	54,321		$	—	$	895,298
Less: inter-segment revenues	—			131		2,593		—			—		2,724
Consolidated revenues	171,204			273,848		393,201		54,321			—		892,574
Gross profit	21,754			32,879		37,455		2,614			—		94,702
Operating income (loss)	11,185			15,415		11,904		(1,790		)	—		36,714
Segment assets	64,771			75,591		159,149		27,347			83,120		409,978
Capital expenditures	2,129			2,942		9,929		1,645			6,586		23,231
Depreciation and amortization expense	2,167			2,943		6,740		932			—		12,782

Geographical information i