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Employee Benefit Plans - Narrative (Details) $ in Millions	1 Months Ended	12 Months Ended
	Sep. 30, 2018 USD ($) Employee	Dec. 31, 2018 USD ($) plan Employee	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Manitowoc Deferred Compensation Plan
Total cost incurred under defined contribution plan		$ 5.5	$ 3.2	$ 3.6
Defined Contribution Plan, Plan Name		Manitowoc 401(k) Retirement Plan	Manitowoc 401(k) Retirement Plan	Manitowoc 401(k) Retirement Plan
Other income (expense) – net		$ (11.5)	$ (6.8)	$ (7.0)
Amortization of gains and losses in excess of specified percentage (as a percent)		10.00%
Accumulated benefit obligation			162.3
Expenses related to the target benefit plan		$ 0.2	1.2	3.2
Amounts accrued related to the target benefit plan		$ 2.5	$ 15.1
Minimum | Equity Securities
Manitowoc Deferred Compensation Plan
Target Allocations (as a percent)			25.00%
Minimum | Debt Securities
Manitowoc Deferred Compensation Plan
Target Allocations (as a percent)			50.00%
Maximum | Equity Securities
Manitowoc Deferred Compensation Plan
Target Allocations (as a percent)			50.00%
Maximum | Debt Securities
Manitowoc Deferred Compensation Plan
Target Allocations (as a percent)			75.00%
Postretirement Medical and Other
Manitowoc Deferred Compensation Plan
Annual rate of increase in the per capita cost of covered health care benefits assumed for measurement purposes (as a percent)		5.95%
Ultimate health care cost trend rate (as a percent)		4.50%
Estimated future employer contributions		$ 2.5
Pension Settlement Charge | Reclassification out of Accumulated Other Comprehensive Income
Manitowoc Deferred Compensation Plan
Other income (expense) – net		$ (4.5)
Retirement Savings Plan
Manitowoc Deferred Compensation Plan
Number of active employees | Employee		0
Deferred Compensation Plan
Manitowoc Deferred Compensation Plan
Number of investment programs | plan		2
Deferred Compensation Plan | Program A
Manitowoc Deferred Compensation Plan
Program asset		$ 0.2	$ 0.0
Program obligation		0.2	0.0
Deferred Compensation Plan | Program B
Manitowoc Deferred Compensation Plan
Program asset		8.7	10.6
Program obligation		$ 8.7	10.6
U.S. Pension Plans
Manitowoc Deferred Compensation Plan
Number of defined contribution retirement plans for the employees | plan		3
Number of active employees | Employee	622
Defined benefit plan obligation transfer	$ 18.6
Estimated future employer contributions		$ 5.1
Accumulated benefit obligation		130.5
U.S. Pension Plans | Pension Settlement Charge | Reclassification out of Accumulated Other Comprehensive Income
Manitowoc Deferred Compensation Plan
Other income (expense) – net	$ 4.5
Non-US Pension Plans
Manitowoc Deferred Compensation Plan
Total cost incurred under defined contribution plan		1.3	1.5	$ 1.9
Estimated future employer contributions		2.9
Accumulated benefit obligation		$ 78.1	$ 82.1

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- Definition

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Represents the gains and losses in excess of the specified percentage of the greater of the benefit obligation and the market-related value of assets that are amortized over the average remaining service period of active participants.

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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

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Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.

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Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year.

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Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status.

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Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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Ultimate trend rate for health care cost for defined benefit postretirement plan.

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