Inventories (Tables)

6 Months Ended

Jun. 30, 2011

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories consisted of the following:

	June 30,			December 31,
(millions of dollars)	2011			2010
Raw material and supplies	$	289.6		$	244.0
Work in progress	99.9			88.1
Finished goods	120.8			111.7
FIFO inventories	510.3			443.8
LIFO reserve	(14.8		)	(13.2		)
Inventories, net	$	495.5		$	430.6