Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2016

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of Net Periodic Benefit Costs

The following table provides the components of the net periodic benefit cost (credit) for the defined benefit pension and OPEB plans.

	Three Months Ended March 31
	Pension Benefits
	U.S. Plans						U.K. Plan						OPEB
	2016			2015			2016			2015			2016			2015
	(in millions of dollars)
Service Cost	$	1.7		$	1.0		$	—		$	—		$	—		$	—
Interest Cost	21.3			20.5			1.9			2.0			1.8			1.8
Expected Return on Plan Assets	(25.7		)	(27.2		)	(2.7		)	(3.1		)	(0.2		)	(0.2		)
Amortization of:
Net Actuarial Loss	4.1			2.9			—			0.1			—			—
Prior Service Credit	(0.1		)	—			—			—			—			—
Total	$	1.3		$	(2.8	)	$	(0.8	)	$	(1.0	)	$	1.6		$	1.6