Accounts Receivable (Accounts Receivable Of Continuing Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Accounts Receivable [Abstract]
Trade	$ 59,308	$ 66,287
Allowance for doubtful accounts	(899)	(1,725)
Accounts receivable, net, current, total	58,409	64,562
Other	1,264	1,934
Total accounts and other receivables	59,673	66,496
Allowance for Doubtful Accounts Receivable, Recoveries	(319)
Provision for Doubtful Accounts		$ 275	$ 274