Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value Measurements [Abstract]

Summary Of Financial Assets And Liabilities Measured At Fair Value On Recurring Basis

		Fair Value Measurements at Reporting Date Using
	December 31, 2012	Level 1	Level 2	Level 3
Inventory and other current assets
Available-for-sale securities	$            9,224	$              9,224	-	-
Intangible and other long-term assets, net
Non-qualified deferred compensation assets	$          11,343	$                 825	$            10,518	-
Interest rate swap	$            1,286	-	$              1,286	-
Accounts payable
Non-qualified deferred compensation liabilities	$               125	-	$                 125	-
Contingent consideration	$            9,890	-	-	$              9,890
Other long-term liabilities
Non-qualified deferred compensation liabilities	$          13,515	-	$            13,515	-
	December 31, 2011	Level 1	Level 2	Level 3
Intangible and other long-term assets, net
Non-qualified deferred compensation assets	$          10,597	$                 815	$              9,782	-
Interest rate swap	$            1,904	-	$              1,904	-
Accounts payable
Non-qualified deferred compensation liabilities	$            2,790	-	$              2,790	-
Other long-term liabilities
Non-qualified deferred compensation liabilities	$          12,975	-	$            12,975	-

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]

		Fair Value Measurements at Reporting Date Using
	December 31, 2011	(Level 1)	(Level 2)	(Level 3)	Total Losses
Property, plant and equipment, net	$         134,000	$                    -	$                    -	$        134,000	$          (35,762)
Goodwill	-	-	-	-	(10,334)
	December 31, 2010	(Level 1)	(Level 2)	(Level 3)	Total Losses
Property, plant and equipment, net	$                     -	$                    -	$                    -	$                    -	$          (32,004)