Dividends (Dividends Paid In Total And Per Share) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Dividends [Abstract]
Total paid	$ 134,776,000	$ 134,105,000	$ 132,142,000
Per share (in dollars per share)	$ 2.4525	$ 2.4425	$ 2.41
Maximum dividend payable without prior permission of DOI of states domicile	260,000,000
Payments of ordinary dividends	120,000,000	145,000,000	0
Payments of extraordinary dividends	$ 0	$ 0	$ 270,000,000