Related Parties (Tables)

12 Months Ended

Dec. 31, 2013

Related Parties [Abstract]

Schedule of Sales and Purchases with Related Parties [Table Text Block]

Net sales to, and purchases from, LSC were as follows for years ended December 31

	2013	2012	2011
Net sales	$ 770	$ 1,054	$ 1,980
Purchases	$ 35,329	$ 33,928	$ 37,879

Net sales to, and purchases from, companies owned by Keylink were as follows for years ended December 31

	2013	2012	2011
Net sales	$ 10,559	$ 19,336	$ 11,965
Purchases	$ 8,030	$ 7,826	$ 11,168

Schedule of Due to/Due from Related Parties [Table Text Block]

Accounts receivable from, and accounts payable to, LSC and Keylink were as follows as of December 31

			2013		2012
Accounts receivable
	LSC	$	140	$	204
	Keylink		4,927		10,457
		$	5,067	$	10,661
Accounts payable
	LSC	$	5,670	$	5,308
	Keylink		6,505		5,095
		$	12,175	$	10,403