Significant Accounting Policies (Schedule of Fair Value Assumptions and Methodology) (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounting Policies [Abstract]
Risk-free interest rate	1.38%	1.44%	2.64%
Dividend yield	0.80%	1.20%	1.20%
Volatility factors	47.90%	46.70%	46.70%
Weighted-average expected life	8 years	8 years	8 years