Number of Reporting Units Tested for Impairment

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- Definition

Weighted Average Cost Of Capital

+ References

No definition available.

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- Definition

Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a,h)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: 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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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266

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-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Reporting Unit

-URI http://asc.fasb.org/extlink&oid=6523643

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Goodwill and Related Intangible Assets (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended			9 Months Ended
	Dec. 31, 2014 reporting_unit	Dec. 31, 2013 reporting_unit	Dec. 31, 2012	Sep. 30, 2013	Oct. 31, 2014	Oct. 31, 2013
Goodwill [Line Items]
Accumulated impairment losses	$ 255,530	$ 150,965
Goodwill impairment	(104,565)us-gaap_GoodwillImpairmentLoss	(21,040)us-gaap_GoodwillImpairmentLoss	(4,328)us-gaap_GoodwillImpairmentLoss
Number of reporting units tested		4
Number of reporting units	11us-gaap_NumberOfReportingUnits
Industrial and Infrastructure Products
Goodwill [Line Items]
Number of reporting units tested		1
Number of reporting units		2
Residential Products
Goodwill [Line Items]
Number of reporting units		2
Industrial Specialty Products
Goodwill [Line Items]
Goodwill impairment				$ (21,040)
Maximum
Goodwill [Line Items]
WACC					13.60%	12.70%
Minimum
Goodwill [Line Items]
WACC					12.90%	11.10%