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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

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- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph ((a)(1),(b))
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Percentage of fair value of reporting unit in excess of carrying amount.

+ References

No definition available.

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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2017	Dec. 31, 2016	Apr. 02, 2016	Dec. 31, 2017
Intangible assets with determinable lives and indefinite lives
Aggregate carrying value of definite lived intangible assets		$ 7.0		$ 5.4
Net carrying value		117.9		$ 117.6
Minimum
Intangible assets with determinable lives and indefinite lives
Percentage fair value of each reporting unit exceeds carrying value				100.00%
Trademarks
Intangible assets with determinable lives and indefinite lives
Trademarks		110.9		$ 112.2
SPX Heat Transfer Business
Intangible assets with determinable lives and indefinite lives
Net carrying value				4.9
SPX Heat Transfer Business \| Trademarks
Intangible assets with determinable lives and indefinite lives
Impairment charge related to trademarks	$ 30.1	$ 2.2	$ 4.0
HVAC segment
Intangible assets with determinable lives and indefinite lives
Aggregate carrying value of definite lived intangible assets				3.8
Trademarks				89.5
Engineered Solutions segment
Intangible assets with determinable lives and indefinite lives
Aggregate carrying value of definite lived intangible assets				1.6
Trademarks				12.4
Detection and Measurement segment
Intangible assets with determinable lives and indefinite lives
Trademarks				$ 10.3