Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2011

Fair Value Measurements [Abstract]

Schedule of fair Value, Assets and Liabilities Measured on Recurring basis

The following table provides the financial assets and liabilities carried at fair value measured on a recurring basis as of December 31, 2011 and 2010:

	Total Fair Value
		Level 1	Level 2	Level 3
December 31, 2011
Assets:
Assets held in rabbi trusts	$31,698	$20,569	$11,129	$-
Available for sale securities	$6,776	6,776	-	-
U.S. Defined Benefit Pension Plan Assets:
Equity securities	$138,379	138,379	-	-
Fixed income securities	$93,842	40,606	53,236	-
Real Estate Investment Trust securities	$6,486	6,486	-	-
Cash and cash equivalents	$338	338	-	-
Non - U.S. Defined Benefit Pension Plan Assets:
Equity securities	$6,815	6,815	-	-
Fixed income securities	$10,173	10,173	-	-
Cash and cash equivalents	$18,556	18,556	-	-
	$313,063	$248,698	$64,365	$-
Liabilities:
Embedded derivative - convertible debentures due 2040	$(594)	-	-	(594)
Embedded derivative - convertible debentures due 2041	$(392)	-	-	(392)
	$(986)	$-	$-	$(986)
December 31, 2010
Assets:
Assets held in rabbi trusts	$25,585	$15,575	$10,010	$-
Available for sale securities	$5,736	5,736	-	-
U.S. Defined Benefit Pension Plan Assets:
Equity securities	$142,808	142,808	-	-
Fixed income securities	$87,233	39,063	48,170	-
Real Estate Investment Trust securities	$6,339	6,339	-	-
Cash and cash equivalents	$2,143	2,143	-	-
Non - U.S. Defined Benefit Pension Plan Assets:
Equity securities	$7,751	7,751	-	-
Fixed income securities	$8,538	8,538	-	-
Cash and cash equivalents	$16,172	16,172	-	-
	$302,305	$244,125	$58,180	$-
Liability:
Embedded derivative - convertible debentures due 2040	$(319)	-	-	(319)