Capital Expenditure, Discontinued Operations

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.18)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 7

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 18

-Article 5

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759

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- Definition

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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- Definition

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

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SEGMENT INFORMATION (Detail) (USD $)	3 Months Ended								12 Months Ended
SEGMENT INFORMATION (Detail) (USD $)	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Assets held for sale	$ 147,347,000				$ 0				$ 147,347,000	$ 0
Net sales	572,586,000us-gaap_SalesRevenueNet	558,383,000us-gaap_SalesRevenueNet	569,198,000us-gaap_SalesRevenueNet	542,959,000us-gaap_SalesRevenueNet	588,167,000us-gaap_SalesRevenueNet	511,380,000us-gaap_SalesRevenueNet	524,139,000us-gaap_SalesRevenueNet	494,395,000us-gaap_SalesRevenueNet	2,243,126,000us-gaap_SalesRevenueNet	2,118,081,000us-gaap_SalesRevenueNet	1,823,307,000us-gaap_SalesRevenueNet
Operating income									282,373,000us-gaap_OperatingIncomeLoss	237,123,000us-gaap_OperatingIncomeLoss	181,394,000us-gaap_OperatingIncomeLoss
Depreciation and amortization									118,931,000us-gaap_DepreciationAndAmortization	121,497,000us-gaap_DepreciationAndAmortization	93,896,000us-gaap_DepreciationAndAmortization
Total assets	3,399,511,000us-gaap_Assets				3,458,274,000us-gaap_Assets				3,399,511,000us-gaap_Assets	3,458,274,000us-gaap_Assets	3,114,588,000us-gaap_Assets
Capital expenditures related to discontinued operations									4,900,000	7,000,000	10,400,000
Commercial Industrial [Member]
Segment Reporting Information [Line Items]
Assets held for sale	1,000,000								1,000,000
Defense [Member]
Segment Reporting Information [Line Items]
Assets held for sale	25,100,000								25,100,000
Energy [Member]
Segment Reporting Information [Line Items]
Assets held for sale	121,200,000								121,200,000
Corporate And Other [Member]
Segment Reporting Information [Line Items]
Operating income									(30,312,000)	(41,944,000)	(31,110,000)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales									2,243,126,000	2,118,081,000	1,823,307,000
Operating income									282,373,000	237,123,000	181,394,000
Depreciation and amortization									104,925,000	102,215,000	80,126,000
Total assets	3,399,511,000				3,458,274,000				3,399,511,000	3,458,274,000	3,114,588,000
PropertyPlantAndEquipmentAdditions									67,115,000	72,242,000	82,954,000
Operating Segments [Member] \| Commercial Industrial [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information, Revenue for Reportable Segment									1,077,045,000	951,900,000	679,382,000
Operating income									142,831,000	105,245,000	66,576,000
Depreciation and amortization									54,496,000	53,563,000	32,148,000
Total assets	1,324,679,000				1,309,232,000				1,324,679,000	1,309,232,000	1,027,787,000
PropertyPlantAndEquipmentAdditions									33,642,000	38,063,000	43,039,000
Operating Segments [Member] \| Defense [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information, Revenue for Reportable Segment									739,805,000	769,190,000	770,318,000
Operating income									102,252,000	116,618,000	90,285,000
Depreciation and amortization									33,198,000	32,351,000	33,372,000
Total assets	1,158,272,000				1,293,679,000				1,158,272,000	1,293,679,000	1,266,553,000
PropertyPlantAndEquipmentAdditions									18,111,000	11,468,000	20,605,000
Operating Segments [Member] \| Energy [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information, Revenue for Reportable Segment									433,114,000	403,788,000	381,557,000
Operating income									67,602,000	57,204,000	55,643,000
Depreciation and amortization									13,171,000	11,647,000	11,835,000
Total assets	632,009,000				798,330,000				632,009,000	798,330,000	781,837,000
PropertyPlantAndEquipmentAdditions									10,474,000	19,435,000	13,421,000
Operating Segments [Member] \| Corporate And Other [Member]
Segment Reporting Information [Line Items]
Operating income									(30,312,000)	(41,944,000)	(31,110,000)
Depreciation and amortization									4,060,000	4,654,000	2,771,000
Total assets	284,551,000				57,033,000				284,551,000	57,033,000	38,411,000
PropertyPlantAndEquipmentAdditions									4,888,000	3,276,000	5,889,000
Operating Segments [Member] \| Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information, Revenue for Reportable Segment									$ (6,838,000)	$ (6,797,000)	$ (7,950,000)