Inventories (Tables)

12 Months Ended

Dec. 31, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories, net of the allowance for obsolete inventory, were comprised of:

	December 31, 2013		December 31, 2012
Aluminum and steel coil	$	58,153	$	59,651
Raw materials	15,291		14,520
Work in process	1,936		1,598
Finished products	14,380		13,525
Total inventories, net	$	89,760	$	89,294

Summary of Obsolete Inventory Reserve

Activity in the allowance for obsolete inventory was as follows:

	2013			2012			2011
Balance, beginning of year	$	2,911		$	3,009		$	2,405
Charges to costs and expenses	3,972			4,386			3,626
Write-offs	(4,487		)	(4,534		)	(2,998		)
Foreign currency translation	45			50			(24		)
Balance, end of year	$	2,441		$	2,911		$	3,009