Income Taxes Unrecognized Benefit (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of year	$ 1,453,000	$ 9,438,000	$ 4,083,000	$ 4,481,000
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions		(378,000)	4,492,000	0
Current period tax positions		203,000	1,958,000	582,000
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities		(7,171,000)	0	0
Lapse of statute of limitations	(120,000)	(639,000)	(1,095,000)	(980,000)
Balance at end of year		1,453,000	9,438,000	4,083,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound		7,200,000
Significant Change In Unrecognized Tax Benefits Accrued Interest And Penalties		5,200,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate			442,000
Unrecognized tax benefits, interest and penalties income		84,000		25,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense			563,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued			$ 442,000		$ 1,400,000