Interest (Tables)

12 Months Ended

Dec. 31, 2012

Interest [Abstract]

Summarized of interest incurred capitalized and paid as well as the amortization of capitalized interest

(Thousands)	2012		2011		2010
Interest incurred	$	3,334	$	2,860	$	2,696
Less capitalized interest	200		48		31
Total net expense	$	3,134	$	2,812	$	2,665
Interest paid	$	2,639	$	2,211	$	2,225
Amortization of capitalized interest included in cost of sales	$	336	$	441	$	499