Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories consist of the following components:

	December 31, 2014		December 31, 2013
	(dollars in thousands)
Finished goods	$	194,690	$	173,140
Work in process	30,790		31,880
Raw materials	69,150		65,670
Total inventories	$	294,630	$	270,690