Inventories (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Liquidation of LIFO layer	$ 858,000	$ 5,474,000	$ 601,000
FIFO inventory amount	53,901,000	64,347,000
Finished goods	4,388,000	2,600,000
Work in process	40,340,000	50,462,000
Raw materials	9,173,000	11,285,000
Housewares/ Small Appliances [Member]
LIFO inventory amount	29,463,000	30,159,000
Inventory valuation, difference below FIFO	$ 6,375,000	$ 5,518,000