Benefit Plans (Tables)

9 Months Ended

Sep. 28, 2014

Benefit Plans [Abstract]

Components of net periodic benefit cost

Components of Net Periodic Benefit Cost

	Three Months Ended						Nine Months Ended
	Sept. 28,			Sept. 29,			Sept. 28,			Sept. 29,
	2014			2013			2014			2013
	(millions of dollars)
Service cost	$	2.1		$	1.9		$	6.5		$	6.4
Interest cost		4.0			2.9			10.8			8.5
Expected return on plan assets		(5.0	)		(3.8	)		(14.2	)		(11.1	)
Amortization:
Prior service cost		0.3			0.3			0.9			0.9
Recognized net actuarial loss		1.9			3.4			5.4			10.2
Net periodic benefit cost	$	3.3		$	4.7		$	9.4		$	14.9

	Three Months Ended						Nine Months Ended
	Sept. 28,			Sept. 29,			Sept. 28,			Sept. 29,
	2014			2013			2014			2013
	(millions of dollars)
Service cost	$	-		$	0.2		$	0.3		$	0.5
Interest cost		0.1			0.1			0.3			0.2
Amortization:
Prior service cost		(0.8	)		(0.8	)		(2.3	)		(2.3	)
Recognized net actuarial (gain)/loss		(0.1	)		-			(0.2	)		-
Net periodic benefit cost	$	(0.8	)	$	(0.5	)	$	(1.9	)	$	(1.6	)