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Goodwill and Other Intangible Assets - Changes in goodwill by reportable segment (Details) - USD ($) $ in Millions	2 Months Ended		10 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Oct. 31, 2018	Oct. 31, 2017
Goodwill
Net balance at the beginning of the period			$ 321.3
Net balance at the end of the period	$ 232.8	$ 321.3
Cranes
Goodwill
Net balance at the beginning of the period				$ 299.6
Foreign currency impact				16.5
Reallocation of goodwill				(316.1)
Americas
Goodwill
Net balance at the beginning of the period			166.5
Reallocation of goodwill				166.5
Net balance at the end of the period	166.5	166.5
Europe and Africa ("EURAF")
Goodwill
Net balance at the beginning of the period			85.9
Foreign currency impact		4.4	(3.7)
Reallocation of goodwill				81.5
Goodwill impairment	(82.2)
Net balance at the end of the period		85.9
Middle East and Asia Pacific ("MEAP")
Goodwill
Net balance at the beginning of the period			68.9
Foreign currency impact		0.8	$ (2.6)
Reallocation of goodwill				$ 68.1
Net balance at the end of the period	$ 66.3	$ 68.9

X

- Definition

Amount after accumulated impairment loss of 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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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X

- Definition

Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

+ References

No definition available.

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X

- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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- Definition

Amount of transfers into (out 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/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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