Operations and Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2012
Buildings and improvements [Member] | Maximum [Member]
Depreciation of property, plant and equipment
Estimated useful lives of the assets	55 years
Buildings and improvements [Member] | Minimum [Member]
Depreciation of property, plant and equipment
Estimated useful lives of the assets	10 years
Machinery and equipment [Member] | Maximum [Member]
Depreciation of property, plant and equipment
Estimated useful lives of the assets	25 years
Machinery and equipment [Member] | Minimum [Member]
Depreciation of property, plant and equipment
Estimated useful lives of the assets	3 years
Land improvements [Member] | Maximum [Member]
Depreciation of property, plant and equipment
Estimated useful lives of the assets	30 years
Land improvements [Member] | Minimum [Member]
Depreciation of property, plant and equipment
Estimated useful lives of the assets	10 years