Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories consist of the following components:

	March 31, 2013		December 31, 2012
	(dollars in thousands)
Finished goods	$	164,010	$	159,550
Work in process	30,980		29,270
Raw materials	52,890		49,200
Total inventories	$	247,880	$	238,020