Inventories (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Inventory [Line Items]
Liquidation of LIFO layer	$ 0	$ 7,181,000	$ 421,000
FIFO inventory amount	71,228,000	64,149,000
Finished goods	5,191,000	5,399,000
Work in process	57,484,000	50,569,000
Raw materials and supplies	8,553,000	8,181,000
Housewares/ Small Appliances [Member]
Inventory [Line Items]
LIFO inventory amount	27,394,000	24,909,000
Inventory valuation, difference below FIFO	$ 3,028,000	$ 3,791,000