Pension Plans (Tables)

3 Months Ended

Apr. 01, 2012

Compensation and Retirement Disclosure [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)				April 1, 2012			April 3, 2011			April 1, 2012			April 3, 2011
Service cost			$	2.3		$	1.8		$	0.2		$	0.2
Interest cost				3.6			2.9			0.1			0.2
Expected return on plan assets				(4.2	)		(3.4	)		--			--
Amortization:
	Prior service cost			0.3			0.3			(0.8	)		(0.8	)
	Recognized net actuarial loss			3.4			2.0			--			0.1
		Net periodic benefit cost	$	5.4		$	3.6		$	(0.5	)	$	(0.3	)