Retirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

The components of net periodic benefit cost recorded in the Condensed Consolidated Statements of Operations are as follows:

	Pension benefits												Other post- retirement benefits
(millions of dollars)	2014						2013						2014			2013
Three Months Ended March 31,	US			Non-US			US			Non-US
Service cost	$	—		$	3.3		$	—		$	3.1		$	—		$	0.1
Interest cost	3.1			4.6			2.9			4.2			1.7			1.7
Expected return on plan assets	(4.4		)	(5.4		)	(4.6		)	(2.7		)	—			—
Amortization of unrecognized prior service benefit	(0.2		)	—			(0.2		)	—			(1.6		)	(1.6		)
Amortization of unrecognized loss	1.6			1.2			2.1			1.3			0.7			1.2
Net periodic benefit cost	$	0.1		$	3.7		$	0.2		$	5.9		$	0.8		$	1.4