Restructuring Costs (Tables)

12 Months Ended

Dec. 31, 2012

Restructuring and Related Activities [Abstract]

Reconciliation Schedule of Restructuring Liability

The Company initiated restructuring programs in 2007, 2009, and 2011. A reconciliation of the remaining restructuring liability relating to those programs as of December 31, 2012, is as follows:

(millions of dollars)	Balance as of December 31, 2011		Additional Provisions (Reversals)		Cash Expenditures				Balance as of December 31, 2012
Contract termination costs	$	0.8	$	--	$	(0.6	)	$	0.2
Severance and other employee benefits		0.6		--		(0.5	)		0.1
	$	1.4	$	--	$	(1.1	)	$	0.3

- Definition

Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period.

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