Retirement Plans (Asset Allocations) (Details)	Dec. 31, 2013	Dec. 31, 2012
Pension Benefits [Member]
Asset category [Abstract]
Weighted average asset allocation (in hundreths)	100.00%	100.00%
Equity Securities [Member]
Asset category [Abstract]
Weighted average asset allocation (in hundreths)	42.00%	43.00%
Alternative Investments [Member]
Asset category [Abstract]
Weighted average asset allocation (in hundreths)	13.00%	14.00%
Debt Securities [Member]
Asset category [Abstract]
Weighted average asset allocation (in hundreths)	44.00%	40.00%
Cash and Other [Member]
Asset category [Abstract]
Weighted average asset allocation (in hundreths)	1.00%	3.00%