Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2013

Pension Plans [Abstract]

Components of Net Periodic Benefit Cost Table

Components of Net Periodic Benefit Cost

				Pension Benefits						Other Benefits
				Three Months Ended						Three Months Ended
(millions of dollars)				March 31, 2013			April 1, 2012			March 31, 2013			April 1, 2012
Service cost			$	2.3		$	2.3		$	0.2		$	0.2
Interest cost				2.8			2.9			0.1			0.1
Expected return on plan assets				(3.7	)		(3.5	)		--			--
Amortization:
	Prior service cost			0.3			0.3			(0.8	)		(0.8	)
	Recognized net actuarial loss			3.4			3.4			--			--
		Net periodic benefit cost	$	5.1		$	5.4		$	(0.5	)	$	(0.5	)