Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

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

	December 31, 2014		December 31, 2013
Aluminum and steel coil	$	72,587	$	58,153
Raw materials	16,427		15,291
Work in process	2,467		1,936
Finished products	14,904		14,380
Total inventories, net	$	106,385	$	89,760

Summary of Obsolete Inventory Reserve

Activity in the allowance for obsolete inventory was as follows:

	2014			2013			2012
Balance, beginning of year	$	2,441		$	2,911		$	3,009
Charges to costs and expenses	4,037			3,972			4,386
Write-offs	(3,883		)	(4,487		)	(4,534		)
Foreign currency translation	(129		)	45			50
Balance, end of year	$	2,466		$	2,441		$	2,911