Description of Business and Significant Accounting Policies (Details 1)	12 Months Ended
	Dec. 31, 2012
Leasehold Improvements [Member]
Property, Plant and Equipment, Estimated Useful Lives	Shorter of asset life or term of lease
Maximum [Member] | Building Improvements [Member]
Property, Plant and Equipment, Useful Life	40 years
Maximum [Member] | Machinery, Equipment, and Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life	10 years
Minimum [Member] | Building Improvements [Member]
Property, Plant and Equipment, Useful Life	5 years
Minimum [Member] | Machinery, Equipment, and Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life	3 years