Pension, Savings, And Other Employee Benefits (Narrative) (Details) (USD $) In Millions, unless otherwise specified		12 Months Ended
	Mar. 31, 2014	Dec. 31, 2014 Non Qualified Plans [Member]	Dec. 31, 2013 Non Qualified Plans [Member]	Dec. 31, 2014 Savings Plan [Member]	Dec. 31, 2013 Savings Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated social security benefits age	65 years 0 months
Contributions to non-qualified plans		$ 5.1	$ 5.4
Employer investment in qualified defined contribution plan				100.00%	100.00%
Maximum percent of employee pre-tax contributions that may be matched by the Company				6.00%	6.00%