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Contingencies and Significant Estimates (Details 2) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014 Y	Dec. 31, 2013	Dec. 31, 2012
Product liability reserves
Period over which product liability self-insurance retention levels have fluctuated (in years)	10mtw_ProductLiabilitySelfInsuranceRetentionLevelsFluctuationPeriod
Product Liability Reserve	$ 24.6us-gaap_ProductLiabilityContingencyAccrualPresentValue	$ 25.0us-gaap_ProductLiabilityContingencyAccrualPresentValue
Product liability reserves for actual cases	4.0mtw_ProductliabilityReserveforActualCases	5.7mtw_ProductliabilityReserveforActualCases
Product liability reserves for claims incurred but not reported	20.6mtw_ProductliabilityforIncurredbutNotReportedCases	19.3mtw_ProductliabilityforIncurredbutNotReportedCases
Warranty claims reserves	92.2us-gaap_StandardProductWarrantyAccrual	99.0us-gaap_StandardProductWarrantyAccrual	101.2us-gaap_StandardProductWarrantyAccrual
Minimum
Product liability reserves
Product liability self-insurance retention levels per occurrence	0.1mtw_ProductLiabilitySelfInsuranceRetentionLevels / us-gaap_RangeAxis = us-gaap_MinimumMember
Maximum
Product liability reserves
Product liability self-insurance retention levels per occurrence	3.0mtw_ProductLiabilitySelfInsuranceRetentionLevels / us-gaap_RangeAxis = us-gaap_MaximumMember
Product liability self-insurance maximum retention level for new occurrence	$ 2.0mtw_ProductLiabilitySelfInsuranceRetentionLevelNewOccurrence / us-gaap_RangeAxis = us-gaap_MaximumMember

X

- Details

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Namespace Prefix:	mtw_
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Balance Type:	na
Period Type:	duration

X

- Definition

Carrying amount of reserve for claims incurred but not reported, which is expected to be paid within one year of the date of the statement of financial position.

+ References

No definition available.

+ Details

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Balance Type:	credit
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X

- Definition

Carrying amount of reserve for known cases, which is expected to be paid within one year of the date of the statement of financial position.

+ References

No definition available.

+ Details

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Namespace Prefix:	mtw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Represents product liability self-insurance retention level for new occurrence.

+ References

No definition available.

+ Details

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Namespace Prefix:	mtw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Represents the product liability self-insurance retention levels.

+ References

No definition available.

+ Details

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Namespace Prefix:	mtw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Represents the period over which product liability self-insurance retention levels have fluctuated (in years).

+ References

No definition available.

+ Details

Name:	mtw_ProductLiabilitySelfInsuranceRetentionLevelsFluctuationPeriod
Namespace Prefix:	mtw_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Present value of the accrual for product liability loss contingencies as of the balance sheet date (if the accrual qualifies for discounting).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 5.Y.Q1)

-URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751



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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section Y

-Paragraph Question 2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph (c)(1),(c)(5)

-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

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- Details

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