Financial Instruments and Derivative Financial Instruments 1 (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
NMHG [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	$ 104.5	$ 204.5
Derivative, Average Fixed Interest Rate	4.20%	4.50%
Derivative, Remaining Maturity	Various, extending to February 2013
HBB [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	$ 25.0	$ 40.0
Derivative, Average Fixed Interest Rate	4.10%	4.60%
Derivative, Remaining Maturity	Various, extending to June 2013