Retirement Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Expense for defined contribution and defined benefit pension plans and other post employment defined benefit plans [Text Block]

	Year Ended December 31,
(millions of dollars)	2013		2012		2011
Defined contribution expense	$	24.9	$	24.8	$	18.9
Defined benefit pension expense	24.3		27.3		17.5
Other postretirement employee benefit expense	5.7		11.1		13.5
Total	$	54.9	$	63.2	$	49.9

Reconciliation of the plans' benefit obligations, plan assets, funded status and recognition [Text Block]

	Pension benefits												Other postretirement
	Year Ended December 31,												employee benefits
	2013						2012						Year Ended December 31,
(millions of dollars)	US			Non-US			US			Non-US			2013			2012
Change in projected benefit obligation:
Projected benefit obligation, January 1	$	330.1		$	447.6		$	337.4		$	344.3		$	220.5		$	251.0
Service cost	—			12.4			—			9.1			0.4			0.5
Interest cost	11.6			16.6			14.3			17.2			6.8			10.1
Plan participants’ contributions	—			0.4			—			0.5			—			—
Plan amendments	—			0.6			—			—			—			(0.3		)
Actuarial (gain) loss	(18.7		)	11.8			15.5			84.1			(29.7		)	(20.7		)
Currency translation	—			10.6			—			11.3			—			—
Other	—			(2.7		)	—			(4.5		)	—			—
Benefits paid	(29.4		)	(14.6		)	(37.1		)	(14.4		)	(20.5		)	(20.1		)
Projected benefit obligation, December 31	$	293.6		$	482.7		$	330.1		$	447.6		$	177.5		$	220.5
Change in plan assets:
Fair value of plan assets, January 1	$	282.7		$	177.9		$	290.4		$	154.9
Actual return on plan assets	20.8			23.6			29.4			15.0
Employer contribution	—			150.4			—			18.0
Plan participants’ contribution	—			0.4			—			0.5
Currency translation	—			7.7			—			6.0
Other	—			(0.4		)	—			(2.1		)
Benefits paid	(29.4		)	(14.6		)	(37.1		)	(14.4		)
Fair value of plan assets, December 31	$	274.1		$	345.0		$	282.7		$	177.9
Funded status	$	(19.5	)	$	(137.7	)	$	(47.4	)	$	(269.7	)	$	(177.5	)	$	(220.5	)
Amounts in the Consolidated Balance Sheets consist of:
Current liabilities	$	(0.1	)	$	(2.6	)	$	(0.1	)	$	(7.0	)	$	(19.1	)	$	(20.8	)
Non-current liabilities	(19.4		)	(135.1		)	(47.3		)	(262.7		)	(158.4		)	(199.7		)
Net amount	$	(19.5	)	$	(137.7	)	$	(47.4	)	$	(269.7	)	$	(177.5	)	$	(220.5	)
Amounts in accumulated other comprehensive loss consist of:
Net actuarial loss	$	115.0		$	130.6		$	163.8		$	135.1		$	44.0		$	78.7
Net prior service cost (credit)	9.7			1.1			(10.5		)	0.5			(36.1		)	(42.6		)
Net amount*	$	124.7		$	131.7		$	153.3		$	135.6		$	7.9		$	36.1
Total accumulated benefit obligation for all plans	$	293.6		$	464.8		$	330.1		$	430.2

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* AOCI shown above does not include our equity investee, NSK-Warner. NSK-Warner had an AOCI loss of $4.9 million and $7.9 million at December 31, 2013 and 2012, respectively.

Funded status of pension plans with accumulated benefit obligations in excess of plan assets [Text Block]

	December 31,
(millions of dollars)	2013			2012
Accumulated benefit obligation	$	(752.0	)	$	(757.7	)
Plan assets	612.7			458.0
Deficiency	$	(139.3	)	$	(299.7	)
Pension deficiency by country:
United States	$	(19.5	)	$	(47.4	)
United Kingdom	(15.3		)	(22.4		)
Germany	(68.6		)	(192.4		)
Other	(35.9		)	(37.5		)
Total pension deficiency	$	(139.3	)	$	(299.7	)

Weighted average asset allocations of funded pensions plans and target allocations [Text Block]

	December 31,				Target Allocation
	2013		2012
U.S. Plans:
Real estate and other	9	%	9	%	5%-15%
Fixed income securities	54	%	56	%	45%-65%
Equity securities	37	%	35	%	25%-45%
	100	%	100	%
Non-U.S. Plans:
Real estate and other	4	%	6	%	0% - 7%
Fixed income securities	42	%	38	%	37% - 47%
Equity securities	54	%	56	%	51% - 61%
	100	%	100	%

Components of net periodic benefit cost [Text Block]

See the table below for a breakout of net periodic benefit cost between U.S. and non-U.S. pension plans:

	Pension benefits																		Other postretirement employee benefits
	Year Ended December 31,
	2013						2012						2011						Year Ended December 31,
(millions of dollars)	US			Non-US			US			Non-US			US			Non-US			2013			2012			2011
Service cost	$	—		$	12.4		$	—		$	9.1		$	—		$	9.1		$	0.4		$	0.5		$	0.7
Interest cost	11.6			16.6			14.3			17.2			16.1			17.8			6.8			10.1			11.8
Expected return on plan assets	(18.2		)	(11.0		)	(18.8		)	(9.3		)	(20.8		)	(11.2		)	—			—			—
Settlements, curtailments and other	—			0.2			5.7			0.5			—			(0.1		)	—			—			—
Amortization of unrecognized prior service benefit	(0.8		)	—			(0.7		)	—			(0.7		)	—			(6.4		)	(6.4		)	(6.9		)
Amortization of unrecognized loss	8.2			5.3			8.1			1.2			6.5			0.8			4.9			6.9			7.9
Net periodic benefit cost	$	0.8		$	23.5		$	8.6		$	18.7		$	1.1		$	16.4		$	5.7		$	11.1		$	13.5

Defined benefit plan weighted average assumptions used in calculating benefit obligations [Text Block]

	December 31,
(percent)	2013	2012
U.S. pension plans:
Discount rate	4.41	3.67
Rate of compensation increase	N/A	N/A
U.S. other postretirement employee benefit plans:
Discount rate	4.00	3.25
Rate of compensation increase	N/A	N/A
Non-U.S. pension plans:
Discount rate	3.90	3.86
Rate of compensation increase	2.77	2.72

The Company’s weighted-average assumptions used to determine the net periodic benefit cost for its defined benefit pension and other postretirement employee benefit plans for the years ended December 31, 2013, 2012 and 2011 were as follows:

	Year Ended December 31,
(percent)	2013	2012	2011
U.S. pension plans:
Discount rate	3.67	4.42	5.17
Rate of compensation increase	N/A	N/A	N/A
Expected return on plan assets	6.75	6.75	7.50
U.S. other postretirement plans:
Discount rate	3.25	4.25	4.75
Rate of compensation increase	N/A	N/A	N/A
Expected return on plan assets	N/A	N/A	N/A
Non-U.S. pension plans:
Discount rate	3.86	5.13	5.37
Rate of compensation increase	2.72	2.78	2.80
Expected return on plan assets	6.42	6.49	7.07

Defined benefit plan estimated future benefit payments [Text Block]

The estimated future benefit payments for the pension and other postretirement employee benefits are as follows:

	Pension benefits				Other postretirement employee benefits
(millions of dollars)					w/o Medicare Part D reimbursements		with Medicare Part D reimbursements
Year	U.S.		Non-U.S.
2014	$	24.0	$	17.4	$	19.5	$	19.5
2015	23.1		20.7		18.7		18.7
2016	23.0		19.3		17.7		17.7
2017	22.2		20.6		17.1		17.1
2018	22.4		21.8		16.6		16.6
2019-2023	103.2		118.4		65.6		65.6

Defined benefit plan effect of one percentage point change in assumed health care cost trend rates [Text Block]

A one-percentage point change in the assumed health care cost trend would have the following effects:

	One Percentage Point
(millions of dollars)	Increase		Decrease
Effect on other postretirement employee benefit obligation	$	12.6	$	(10.9	)
Effect on total service and interest cost components	$	0.5	$	(0.5	)