Retirement Benefit Plans (Tables)

6 Months Ended

Jun. 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 June 30,	US			Non-US			US			Non-US
Service cost	$	—		$	2.7		$	—		$	2.6		$	0.1		$	0.2
Interest cost	4.1			4.4			4.3			3.4			3.0			3.7
Expected return on plan assets	(5.2		)	(2.9		)	(4.9		)	(2.3		)	—			—
Amortization of unrecognized prior service benefit	(0.3		)	—			(0.2		)	—			(1.7		)	(1.8		)
Amortization of unrecognized loss	1.6			0.2			1.7			0.1			2.0			2.2
Net periodic benefit cost	$	0.2		$	4.4		$	0.9		$	3.8		$	3.4		$	4.3

	Pension benefits												Other post employment benefits
(millions of dollars)	2011						2010						2011			2010
Six Months Ended June 30,	US			Non-US			US			Non-US
Service cost	$	—		$	5.2		$	—		$	4.8		$	0.3		$	0.4
Interest cost	8.1			9.0			8.7			7.4			5.9			7.3
Expected return on plan assets	(10.4		)	(5.7		)	(9.8		)	(4.7		)	—			—
Amortization of unrecognized prior service benefit	(0.4		)	—			(0.4		)	—			(3.4		)	(3.5		)
Amortization of unrecognized loss	3.2			0.4			3.3			0.4			4.0			4.5
Net periodic benefit cost	$	0.5		$	8.9		$	1.8		$	7.9		$	6.8		$	8.7