Pension and Other Postemployment Benefits (Tables)

12 Months Ended

Dec. 31, 2016

Defined Benefit Pension Plans [Member]

Components of Net Periodic Benefit Cost

The components of net periodic benefit expense for the three years ended December 31, 2016 were (in millions):

	2016			2015			2014
Service cost	$	7.8		$	5.3		$	6.8
Interest cost	7.8			7.6			8.2
Expected return on plan assets	(3.7		)	(4.0		)	(4.2		)
Amortization of prior service cost	4.5			4.3			4.3
Amortization of actuarial losses	5.3			5.7			2.3
	$	21.7		$	18.9		$	17.4

Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost

The weighted average assumptions used to determine net periodic benefit expense for the three years ended December 31, 2016 were:

	2016		2015		2014
Discount rate	3.7	%	3.5	%	4.5	%
Compensation increases	2.0	%	1.9	%	1.8	%
Expected return on plan assets	4.8	%	5.7	%	5.8	%

Benefit Obligation, Fair Value of Plan Assets and Funded Status of Defined Benefit Pension Plans

At December 31, 2016 and 2015, the benefit obligation, fair value of plan assets and funded status of our defined benefit pension plans were (in millions):

	2016			2015
Benefit Obligation:
January 1	$	234.8		$	222.7
Service cost	7.8			5.3
Interest cost	7.8			7.6
Amendments, curtailments and settlements	—			3.8
Actuarial losses	13.3			5.9
Benefits paid	(9.4		)	(7.2		)
Foreign currency translation	(3.2		)	(3.3		)
December 31	$	251.1		$	234.8
Fair Value of Plan Assets:
January 1	$	68.9		$	74.4
Actual return on plan assets	4.9			(0.5		)
Employer contributions	6.6			4.2
Benefits paid	(9.4		)	(7.2		)
Foreign currency translation and other	(2.4		)	(2.0		)
December 31	$	68.6		$	68.9
Funded Status December 31	$	(182.5	)	$	(165.9	)

Amounts Recorded in Balance Sheet

At December 31, 2016 and 2015, the funded status was classified as follows (in millions):

	2016			2015
Other assets	$	4.2		$	5.4
Other current liabilities	(5.1		)	(4.6		)
Long-term liabilities	(181.6		)	(166.7		)
	$	(182.5	)	$	(165.9	)

Plans with Benefit Obligations in Excess of Plan Assets

At December 31, 2016 and 2015, plans with benefit obligations in excess of plan assets were (in millions):

	2016		2015
Benefit obligation	$	241.3	$	215.9
Plan assets	54.6		44.6
	$	186.7	$	171.3

Weighted Average Assumptions Used to Determine Benefit Obligation

The weighted average assumptions used to determine the benefit obligation at December 31, 2016 and 2015, were:

	2016		2015
Discount rate	3.5	%	3.8	%
Compensation increases	2.0	%	2.0	%

Estimated Future Benefit Payments

At December 31, 2016, the estimated benefits expected to be paid over the next 10 years are (in millions):

2017	$	9.0
2018	8.8
2019	9.7
2020	12.6
2021	15.2
2022 - 2026	87.7

Fair Value of Plan Assets

The fair value of plan assets at December 31, 2016 and 2015 was (in millions):

2016	Level 1		Level 2		Level 3		Total
Cash	$	1.6					$	1.6
Mutual funds	39.0						39.0
Unit trusts	23.5						23.5
Insurance contracts					$	4.3	4.3
Other			$	0.2			0.2
	$	64.1	$	0.2	$	4.3	$	68.6

2015
Cash	$	1.8					$	1.8
Mutual funds	39.7						39.7
Unit trusts	22.9						22.9
Insurance contracts					$	4.2	4.2
Other			$	0.3			0.3
	$	64.4	$	0.3	$	4.2	$	68.9

Changes in Fair Value of Plan Assets Measured Using Level 3 Inputs

Changes in the fair value of plan assets measured using Level 3 inputs at December 31, 2016 and 2015 were (in millions):

	2016			2015
January 1	$	4.2		$	3.7
Actual return on assets	0.2			0.1
Purchases, sales and settlements, net	(0.1		)	0.4
December 31	$	4.3		$	4.2

Weighted Average Plan Asset Allocations

The weighted average asset allocations at December 31, 2016 and 2015 were:

	2016				2015
	Target Allocation		Actual Allocation		Actual Allocation
Cash	4	%	3	%	3	%
Mutual funds	54	%	57	%	58	%
Unit trusts	35	%	34	%	33	%
Insurance contracts	6	%	6	%	6	%
Other	1	%	—	%	—	%
	100	%	100	%	100	%

Postemployment Arrangements [Member]

Components of Net Periodic Benefit Cost

The components of net periodic benefit expense for the three years ended December 31, 2016 were (in millions):

	2016		2015		2014
Service cost	$	3.9	$	4.8	$	3.8
Interest cost	3.5		4.3		4.5
Amortization of prior service cost	3.1		3.2		2.1
Amortization of actuarial losses	1.1		1.6		0.9
	$	11.6	$	13.9	$	11.3

Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost

The weighted average assumptions used to determine net periodic benefit expense for the three years ended December 31, 2016 were:

	2016		2015		2014
Discount rate	4.1	%	3.8	%	4.7	%
Compensation increases	3.5	%	3.5	%	3.5	%

Benefit Obligation

At December 31, 2016 and 2015, the benefit obligation was (in millions):

	2016			2015
January 1	$	115.9		$	122.1
Service cost	3.9			4.8
Interest cost	3.5			4.3
Amendments	5.6			(0.6		)
Actuarial (gain) loss	0.6			(6.0		)
Benefits paid	(9.2		)	(8.7		)
December 31	$	120.3		$	115.9

Amounts Recorded in Balance Sheet

At December 31, 2016 and 2015, the liability was classified as follows (in millions):

	2016		2015
Other current liabilities	$	8.1	$	9.3
Long-term liabilities	112.2		106.6
	$	120.3	$	115.9

Weighted Average Assumptions Used to Determine Benefit Obligation

The weighted average assumptions used to determine the benefit obligation at December 31, 2016 and 2015 were:

	2016		2015
Discount rate	3.9	%	4.1	%
Compensation increases	3.5	%	3.5	%

Estimated Future Benefit Payments

At December 31, 2016, the estimated benefits expected to be paid over the next 10 years are (in millions):

2017	$	8.1
2018	8.2
2019	6.9
2020	5.8
2021	5.5
2022 - 2026	30.5