Benefit Plans and Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2014

	December 31,
	2014			2013
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	560.1		$	565.4
Service cost	10.8			10.5
Interest cost	24.1			20.9
Acquisitions	7.0			16.4
Plan amendments	—			5.6
Actuarial (gain) loss	123.1			(33.7		)
Foreign exchange translation	(18.7		)	2.6
Benefits paid	(29.9		)	(27.6		)
Projected benefit obligation at end of year	676.5			560.1

Change in plan assets:
Fair value of plan assets at beginning of year	392.5			334.4
Actual return on plan assets	26.4			50.7
Employer contributions	23.8			23.3
Acquisitions	—			12.3
Foreign exchange translation	(4.7		)	(0.6		)
Actuarial loss	1.3			—
Benefits paid	(29.9		)	(27.6		)
Fair value of plan assets at end of year	409.4			392.5

Funded status	$	(267.1	)	$	(167.6	)

	Year Ended December 31,
	2014			2013			2012
Components of net pension expense:
Service cost	$	8.2		$	8.5		$	7.7
Interest cost	24.1			20.9			22.0
Expected return on plan assets	(28.5		)	(24.8		)	(25.0		)
Net amortization of actuarial losses	18.6			25.5			20.5

Net pension expense	$	22.4		$	30.1		$	25.2

	Weighted-average assumptions used to determine benefit obligations at December 31,
	Pension Benefits				Other Benefits
	2014		2013		2014		2013
Discount rate:
U.S. plans	3.75	%	4.60	%	3.50	%	4.15	%
International plans	2.91	%	4.09	%	n/a		n/a
Rate of compensation increase:
U.S. plans	3.00	%	3.00	%	n/a		n/a
International plans	1.45	%	2.95	%	n/a		n/a

	Weighted-average assumptions used to determine net periodic benefit cost for years ended December 31,
	Pension Benefits						Other Benefits
	2014		2013		2012		2014		2013		2012
Discount rate:
U.S. plans	4.60	%	3.75	%	4.45	%	4.15	%	3.45	%	4.25	%
International plans	4.09	%	3.97	%	4.97	%	n/a		n/a		n/a
Expected long-term return on assets:
U.S. plans	8.00	%	8.00	%	8.00	%	n/a		n/a		n/a
International plans	5.99	%	5.50	%	5.66	%	n/a		n/a		n/a
Rate of compensation increase:
U.S. plans	3.00	%	3.00	%	3.00	%	n/a		n/a		n/a
International plans	1.48	%	2.57	%	2.83	%	n/a		n/a		n/a

	Fair Value Measurements at December 31, 2014
Asset Category	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)

Equity securities:
U.S. equities — large cap	$	106.6	$	80.9	$	25.7	$	—
U.S. equities — small/mid cap and other	23.0		—		23.0		—
International equities — growth	46.9		46.9		—		—
International equities — other	50.7		—		50.7		—
	227.2		127.8		99.4

Alternative investment funds	40.1		—		40.1		—

Fixed income securities:
U.S. fixed income securities — intermediate term	59.1		59.1		—		—
U.S. fixed income securities — high yield	20.2		—		20.2		—
International fixed income securities — other	40.6		—		40.6		—
	119.9		59.1		60.8		—

Cash and cash equivalents	22.2		22.2		—		—
Total	$	409.4	$	209.1	$	200.3	$

	Fair Value Measurements at December 31, 2013
Asset Category	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)

Equity securities:
U.S. equities — large cap	$	122.2	$	93.1	$	29.1	$	—
U.S. equities — small/mid cap and other	24.7		1.6		23.1		—
International equities — growth	51.8		51.8		—		—
International equities — other	56.3		8.1		48.2		—
	255.0		154.6		100.4

Fixed income securities:
U.S. fixed income securities — intermediate term	62.2		62.2		—		—
U.S. fixed income securities — high yield	24.4		0.3		24.1		—
International fixed income securities — other	39.7				39.7		—
	126.3		62.5		63.8		—

Cash and cash equivalents	11.2		11.2		—		—
Total	$	392.5	$	228.3	$	164.2	$