Inventories (Tables)

12 Months Ended

Dec. 31, 2011

Inventories [Abstract]

Components of Inventory

	December 31, 2011		December 31, 2010
Raw materials	$	372,627	$	316,052
Work in progress		177,016		139,579
Finished goods		309,048		248,073
Subtotal		858,691		703,704
Less LIFO reserve		55,345		45,742
Total	$	803,346	$	657,962