Inventories (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Inventory [Line Items]
Liquidation of LIFO layer	$ 7,181,000	$ 421,000	$ 858,000
FIFO inventory amount	64,149,000	60,424,000
Finished goods	5,399,000	3,988,000
Work in process	50,569,000	49,690,000
Raw materials and supplies	8,181,000	6,746,000
Housewares/ Small Appliances [Member]
Inventory [Line Items]
LIFO inventory amount	24,909,000	32,090,000
Inventory valuation, difference below FIFO	$ 3,791,000	$ 4,434,000