Goodwill And Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2012

Goodwill And Other Intangible Assets [Abstract]

Schedule Of Other Intangibles

(THOUSANDS OF DOLLARS)	MARCH 31, 2012			DECEMBER 31, 2011
	GROSS CARRYING AMOUNT	ACCUMULATED AMORTIZATION	OTHER INTANGIBLES, NET	GROSS CARRYING AMOUNT	ACCUMULATED AMORTIZATION	OTHER INTANGIBLES, NET
Amortized:
Trademarks	$9,409	$9,038	$371	$9,374	$8,990	$384
Patents	3,483	3,248	235	3,471	3,225	246
Customer relationships	3,170	1,811	1,359	3,170	1,698	1,472
	$16,062	$14,097	1,965	$16,015	$13,913	2,102
Not Amortized:
Trade names			6,900			6,900
Intangibles, Net			$8,865			$9,002

Estimated Future Amortization Expense For Other Intangibles

(THOUSANDS OF DOLLARS)	2012	2013	2014	2015	2016	THEREAFTER
	$514	$643	$588	$190	$30	$-