Operations and Significant Accounting Policies (Property, Plant and Equipment) (Details)	12 Months Ended
Dec. 31, 2011 Y
Building and improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, average (in years)	40
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, minimum (in years)	2
Estimated useful life, maximum (in years)	15

The average useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLifeAverage
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration