Pension and Other Post-Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2014

Defined Benefit Plan Disclosure [Line Items]

Schedule of combined funded status of the pension plans and their reconciliation with the related amounts recognized in balance sheet

The following table sets forth the combined funded status of the pension plans and their reconciliation with the related amounts recognized in our Consolidated Financial Statements at our December 31 measurement dates:

	December 31,
	2014			2013
Change in benefit obligation:
Benefit obligation at beginning of year	$	113.3		$	105.9
Service cost	2.2			2.5
Interest cost	4.9			4.7
Prior service cost	—			—
Participant contributions	1.0			1.2
Curtailments	0.2			0.2
Actuarial loss	15.5			3.5
Benefits paid	(2.7		)	(2.8		)
Settlement payments	—			—
Other, principally foreign exchange	(7.8		)	(1.9		)
Benefit obligation at end of year	$	126.6		$	113.3
Change in plan assets:
Fair value of plan assets at beginning of year	$	103.3		$	88.0
Business sale	—			—
Actual gain on plan assets	9.9			14.9
Employer contributions	2.1			3.3
Participant contributions	1.0			1.2
Benefits paid	(2.7		)	(2.8		)
Settlement payments	—			—
Other, principally foreign exchange	(7.2		)	(1.3		)
Fair value of assets at end of year	$	106.4		$	103.3
Amounts recognized in the consolidated balance sheets:
Funded status (current)	$	—		$	—
Funded status (non-current)	(20.2		)	(10.0		)
Accumulated other comprehensive income (pre-tax):	—			—
Unrecognized actuarial loss	23.3			12.6
Unrecognized prior service cost	(2.5		)	(3.0		)
Net amount recognized	$	0.6		$	(0.4	)

Schedule of components of net periodic pension cost

The following table presents the components of our net periodic pension cost:

	December 31,
	2014			2013			2012
Components of net periodic pension benefit cost:
Service cost	$	2.2		$	2.5		$	2.1
Interest cost	4.9			4.7			4.7
Expected return on plan assets	(6.6		)	(5.5		)	(5.2		)
Amortization of actuarial gains/losses	0.6			1.0			0.8
Curtailments	0.1			0.1			—
Amortization of unrecognized prior service cost	(0.2		)	(0.3		)	(0.2		)
Net periodic cost	$	1.0		$	2.5		$	2.2

Schedule of amounts included in accumulated other comprehensive income expected to be recognized as components of net periodic pension cost during the next fiscal year

The amounts included in accumulated other comprehensive (loss) income as of December 31, 2014 expected to be recognized as components of net periodic pension cost during the fiscal year ending December 31, 2015 are presented below:

Net (gain) or loss	$	1.1
Net prior service cost	(0.2		)
Net amount expected to be recognized	$	0.9

Schedule of weighted-average actuarial assumptions used to determine the benefit obligation and net periodic benefit cost

The table below presents the weighted-average actuarial assumptions used to determine the benefit obligation and net periodic benefit cost for the U.K. Plan and the Canadian Plan.

	U.K. Plan						Canadian Plan
	2014		2013		2012		2014		2013		2012
Discount rates:
Benefit obligation	3.70	%	4.40	%	4.50	%	4.00	%	5.00	%	4.50	%
Net periodic pension cost	4.40	%	4.50	%	4.80	%	5.00	%	4.50	%	5.30	%
Rate of compensation increase	2.00	%	2.00	%	2.00	%	3.00	%	3.00	%	3.25	%
Expected return on assets	7.50	%	6.70	%	6.80	%	6.50	%	6.50	%	6.50	%

Schedule of future pension benefit payments expected to be paid

The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid:

Year	U.K. Plan		Canadian Plan
2015	$	1.0	$	1.4
2016	$	1.0	$	1.5
2017	$	1.0	$	1.6
2018	$	1.0	$	1.7
2019	$	1.1	$	1.9
2020 - 2024	$	5.7	$	12.7

U.K. Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of fair value of defined benefit pension plan assets by asset category

The fair value of the U.K. Plan assets at December 31, 2014 by asset category is presented below:

Asset Category	Market Value at December 31, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Equity securities in U.K. companies (a)	$	15.2	$	—	$	15.2	$	—
Equity securities in non-U.K. companies (a)	10.3		—		10.3		—
Global return fund (a)	19.3		—		19.3		—
Corporate bonds (a)	6.1		—		6.1		—
Real estate	12.5		—		—		12.5
Cash (b)	0.3		0.3		—		—
Total pension assets	$	63.7	$	0.3	$	50.9	$	12.5

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(a) The assets are invested through managed funds that are valued using inputs derived principally from quoted prices in active markets for the underlying assets in the fund.

(b) The fair value of cash equals its book value.

The fair value of the U.K. Plan assets at December 31, 2013 by asset category is presented below:

Asset Category	Market Value at December 31, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Equity securities in U.K. companies (a)	$	16.0	$	—	$	16.0	$	—
Equity securities in non-U.K. companies (a)	9.6		—		9.6		—
Global return fund (a)	19.4		—		19.4		—
Corporate bonds (a)	5.4		—		5.4		—
Real estate	11.8		—		—		11.8
Cash (b)	0.4		0.4		—		—
Total pension assets	$	62.6	$	0.4	$	50.4	$	11.8

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(a) The assets are invested through managed funds that are valued using inputs derived principally from quoted prices in active markets for the underlying assets in the fund.

(b) The fair value of cash equals its book value.

Schedule of changes in fair value of pension assets valued using significant unobservable inputs (Level 3)

The change in fair value of the pension assets during 2014 valued using significant unobservable inputs (Level 3) is presented below:

	General Account
Beginning balance at December 31, 2013	$	11.8
Purchases	0.1
Unrealized gain on asset still held at December 31, 2014	0.6
Ending balance at December 31, 2014	$	12.5

The change in fair value of the pension assets during 2013 valued using significant unobservable inputs (Level 3) is presented below:

	General Account
Beginning balance at December 31, 2012	$	10.4
Purchases	0.1
Unrealized gain on asset still held at December 31, 2013	1.3
Ending balance at December 31, 2013	$	11.8

Canadian Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of fair value of defined benefit pension plan assets by asset category

The fair value of the Canadian Plan assets at December 31, 2013 by asset category is presented below:

Asset Category	Market Value at December 31, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Equity securities in Canadian companies (a)	$	8.0	$	8.0	$	—	$	—
Equity securities in non-Canadian companies (a)	18.2		18.2		—		—
Government bonds	5.8		—		5.8		—
Corporate bonds	8.0		—		8.0		—
Corporate bonds in non-Canadian companies	—		—		—		—
Other short-term investment (b)	0.6		0.6		—
Cash and cash equivalents (c)	0.2		0.2		—		—
Total pension assets	$	40.8	$	27.0	$	13.8	$	—

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(a) Direct investments in equity securities are valued at quoted prices in active markets for identical assets. Equity securities invested through pooled funds are valued using inputs derived principally from the quoted prices in active markets for the underlying assets in the pool.

(b) Other short-term investments are investments in pooled money market funds that are valued using inputs derived principally from the quoted prices in active markets for the underlying assets in the pool.

(c) The carrying value of cash and cash equivalents approximates fair value because of the short-term maturity of these instruments.

The fair value of the Canadian Plan assets at December 31, 2014 by asset category is presented below:

Asset Category	Market Value at December 31, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Equity securities in Canadian companies (a)	$	7.9	$	7.3	$	0.6	$	—
Equity securities in non-Canadian companies (a)	18.7		18.7		—		—
Government bonds	6.5		—		6.5		—
Corporate bonds	9.1		—		9.1		—
Corporate bonds in non-Canadian companies	—		—		—		—
Other short-term investment (b)	0.4		0.4		—
Cash and cash equivalents (c)	0.3		0.3		—		—
Total pension assets	$	42.9	$	26.7	$	16.2	$	—

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(a) Direct investments in equity securities are valued at quoted prices in active markets for identical assets. Equity securities invested through pooled funds are valued using inputs derived principally from the quoted prices in active markets for the underlying assets in the pool.

(b) Other short-term investments are investments in pooled money market funds that are valued using inputs derived principally from the quoted prices in active markets for the underlying assets in the pool.

(c) The carrying value of cash and cash equivalents approximates fair value because of the short-term maturity of these instruments.