Summary of Significant Accounting Policies (Narrative) (Details)	12 Months Ended
	Dec. 31, 2013
Minimum [Member] | Machinery and Equipment [Member]
Summary of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life (in years)	3 years
Minimum [Member] | Building [Member]
Summary of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life (in years)	20 years
Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Amortized Intangible Assets, Useful Life (in years)	10 years
Investment maturity length	3 months
Maximum [Member] | Machinery and Equipment [Member]
Summary of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life (in years)	20 years
Maximum [Member] | Building [Member]
Summary of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life (in years)	50 years