SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS [Schedule] (Details) (Allowance for Doubtful Accounts [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 1,772	[1]	$ 2,145	[1]	$ 2,422	[1]
Additions Charged to Costs/Expenses (Recoveries)	(76)	[1]	175	[1]	392	[1]
Deductions	529	[1]	548	[1]	669	[1]
Balance at End of Period	$ 1,167	[1]	$ 1,772	[1]	$ 2,145	[1]

[1] Included in the balances presented here are the allowances for doubtful accounts for the Company's discontinued operations.