Valuation And Qualifying Accounts And Reserves (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 6,263	$ 3,733	$ 4,441
Additions Charged to expense	4,695	5,681	1,860
Additions Charged to Other accounts		1,146
Deductions for purpose for which accounts were set up	3,047	3,551	2,568
Balance at end of period	6,755	6,263	3,733
Insurance Reserves [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	4,985	2,483	3,233
Additions Charged to expense	4,671	5,658	1,818
Additions Charged to Other accounts		1,141
Deductions for purpose for which accounts were set up	3,047	3,551	2,568
Balance at end of period	5,453	4,985	2,483
Other Reserves [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	1,278	1,250	1,208
Additions Charged to expense	24	23	42
Additions Charged to Other accounts		5
Balance at end of period	$ 1,302	$ 1,278	$ 1,250