Contingencies (Tables)

3 Months Ended

Mar. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Estimated future settlement of existing claims

The amounts recorded in the Condensed Consolidated Balance Sheets related to the estimated future settlement of existing claims are as follows:

(millions of dollars)	March 31, 2014		December 31, 2013
Assets:
Other non-current assets	$	107.1	$	96.7
Total insurance assets	$	107.1	$	96.7
Liabilities:
Accounts payable and accrued expenses	$	44.1	$	41.1
Other non-current liabilities	63.0		55.6
Total accrued liabilities	$	107.1	$	96.7