Significant Accounting Policies (Details 2)	12 Months Ended
	Dec. 31, 2011 Y
Buildings and improvements
Property, plant and equipment - at cost
Estimated useful life, low end of range (in years)	10
Estimated useful life, high end of range (in years)	40
Estimated useful life, majority of the assets, minimum (in years)	20
Estimated useful life, majority of the assets, maximum (in years)	40
Machinery and equipment
Property, plant and equipment - at cost
Estimated useful life, low end of range (in years)	3
Estimated useful life, high end of range (in years)	15
Estimated useful life, majority of the assets, minimum (in years)	5
Estimated useful life, majority of the assets, maximum (in years)	10
Internal use software
Property, plant and equipment - at cost
Estimated useful life, low end of range (in years)	3
Estimated useful life, high end of range (in years)	7