Inventories (Tables)

9 Months Ended

Sep. 30, 2012

Notes to Financial Statements [Abstract]

Inventories

	September 30,2012			December 31,2011
	(in thousands)
Raw materials and supplies	$	128,791		$	119,550
Work in process		34,576			31,085
Finished products		87,211			89,334
Inventory reserves		(40,152	)		(35,211	)
	$	210,426		$	204,758