Inventories (Tables)

6 Months Ended

Jun. 30, 2013

Inventories [Abstract]

Inventories by Major Category

     The following is a summary of inventories by major category:

(millions of dollars)		June 30,2013		December 31,2012
Raw materials	$	33.2	$	30.8
Work-in-process		7.2		6.5
Finished goods		27.5		26.5
Packaging and supplies		21.1		20.8
Total inventories	$	89.0	$	84.6