Retirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2011

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

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

	Pension benefits												Other post employment benefits
(millions of dollars)	2011						2010						2011			2010
Three Months Ended September 30,	US			Non-US			US			Non-US
Service cost	$	—		$	2.7		$	—		$	2.3		$	0.2		$	0.2
Interest cost	4.0			4.3			4.4			3.7			2.9			3.6
Expected return on plan assets	(5.2		)	(2.8		)	(5.0		)	(2.4		)	—			—
Amortization of unrecognized prior service benefit	(0.2		)	—			(0.1		)	—			(1.7		)	(1.7		)
Amortization of unrecognized loss	1.7			0.2			1.6			0.2			2.0			2.3
Net periodic benefit cost	$	0.3		$	4.4		$	0.9		$	3.8		$	3.4		$	4.4

	Pension benefits												Other post employment benefits
(millions of dollars)	2011						2010						2011			2010
Nine Months Ended September 30,	US			Non-US			US			Non-US
Service cost	$	—		$	7.9		$	—		$	7.1		$	0.5		$	0.6
Interest cost	12.1			13.3			13.1			11.1			8.8			10.9
Expected return on plan assets	(15.6		)	(8.5		)	(14.8		)	(7.1		)	—			—
Amortization of unrecognized prior service benefit	(0.6		)	—			(0.5		)	—			(5.1		)	(5.2		)
Amortization of unrecognized loss	4.9			0.6			4.9			0.6			6.0			6.8
Net periodic benefit cost	$	0.8		$	13.3		$	2.7		$	11.7		$	10.2		$	13.1