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Restructuring and Asset Impairments - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 23.4	$ 9.4	$ 6.6
Asset impairment expense	96.9	15.3	$ 0.0
Fixed Assets
Restructuring Cost and Reserve [Line Items]
Asset impairment expense	13.8
Enterprise Resource Planning Platform
Restructuring Cost and Reserve [Line Items]
Asset impairment expense	58.6
SAP and Other IT Assets
Restructuring Cost and Reserve [Line Items]
Asset impairment expense	18.6
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring expense		$ 3.5
Employee Severance | Chief Financial Officer
Restructuring Cost and Reserve [Line Items]
Restructuring expense	2.3
Relocation of Crawler Crane Operations | Employee Severance | Minimum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	10.0
Relocation of Crawler Crane Operations | Employee Severance | Maximum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	15.0
Relocation of Crawler Crane Operations | Capital Expenditures | Minimum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	10.0
Relocation of Crawler Crane Operations | Capital Expenditures | Maximum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	15.0
Relocation of Crawler Crane Operations | Other Restructuring | Minimum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	15.0
Relocation of Crawler Crane Operations | Other Restructuring | Maximum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	20.0
Relocation of Crawler Crane Operations | Fixed Assets and Inventory | Minimum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	20.0
Relocation of Crawler Crane Operations | Fixed Assets and Inventory | Maximum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	$ 25.0

X

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Amount expected to be recognized in earnings for the specified restructuring cost.

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