Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 30, 2014

Goodwill and Other Intangible Assets [Abstract]

Acquired intangible assets subject to amortization

Acquired intangible assets subject to amortization included in other assets and deferred charges as of March 30, 2014 and December 31, 2013 were as follows:

	March 30, 2014				December 31, 2013
(millions of dollars)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Patents and trademarks	$	6.4		3.8		6.4		3.7
Customer lists		2.9		2.7		2.9		2.6
	$	9.3		6.5		9.3		6.3