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Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Mar. 31, 2012
Overstatement of inventories [Member]
As Revised
Mar. 31, 2012
Understatement of Cost of Goods Sold
As Revised
Mar. 31, 2012
Overstatement of Earnings from Continuing Operations [Domain]
As Revised
Mar. 31, 2012
Overstatement of Income Tax Expense [Member]
As Revised
Mar. 31, 2012
Overstatement of Net Income Attributable to Manitowoc [Domain]
As Revised
Sep. 30, 2012
Minimum
Understatements Identified in Prior Years Acquisitions [Member]
Sep. 30, 2012
Maximum
Understatements Identified in Prior Years Acquisitions [Member]
Period range errors were identified                 5 years 11 years
Overstatement of inventories $ 802.0   $ 707.6 $ 1.1            
Understatement of cost of goods sold 678.0 648.6     1.1          
Overstatement of earning from continuing operations 18.3 9.6       1.1        
Overstatement of provision for taxes on income 8.5 11.4         0.7      
Overstatement of net earnings (loss) attributable to Manitowoc $ 10.4 $ (0.3)           $ 0.4