Retirement Plans and Other Post-Retirement Benefits (Tables)

12 Months Ended

Dec. 31, 2016

Compensation And Retirement Disclosure [Abstract]

Schedule of Change in Benefit Obligation and Plan Assets

Claims are paid as reported.

	Pension Benefits						Other Benefits
In millions	2016			2015			2016			2015
Change in    Benefit    Obligation
Balance at    beginning of    year	$	541.9		$	577.6		$	51.0		$	59.8
Service cost		10.5			11.6			1.1			1.4
Interest cost		24.5			23.3			2.0			2.0
Plan amendments		5.5			-			-			-
Participant    contributions		-			-			1.0			1.2
Actuarial    (gain)/loss		17.0			(34.8	)		(3.4	)		(10.1	)
Benefits paid		(22.9	)		(34.8	)		(3.8	)		(3.3	)
One-time settlement		(24.2	)		-			-			-
Effect of currency    rate changes		(0.3	)		(1.0	)		-			-
Balance at end    of year	$	552.0		$	541.9		$	47.9		$	51.0
Change in    Plan Assets
Fair value of plan    assets at    beginning of year	$	594.9		$	638.0		$	-		$	-
Actual return    on plan assets		60.8			(10.3	)		-			-
Total contributions		2.1			2.0			3.8			3.3
Benefits paid		(22.9	)		(34.8	)		(3.8	)		(3.3	)
One-time settlement		(24.2	)		-			-			-
Fair value of plan    assets at end    of year	$	610.7			594.9			-			-
Funded status at    end of year	$	58.7		$	53.0		$	(47.9	)	$	(51.0	)

Summary of Amounts Recognized in Consolidated Balance Sheets

In 2016, the we recorded a pension settlement charge of $7.3 million and settled $24.2 million of benefits in connection with a voluntary program offered to deferred vested terminated participants.

Amounts recognized in the consolidated balance sheets consist of the following as of December 31:

	Pension Benefits						Other Benefits
In millions	2016			2015			2016			2015
Other assets	$	96.7		$	89.1		$	-		$	-
Current liabilities		(2.0	)		(2.1	)		(3.2	)		(3.2	)
Other long-term    liabilities		(36.0	)		(34.0	)		(44.7	)		(47.7	)
Net amount    recognized	$	58.7		$	53.0		$	(47.9	)	$	(50.9	)

Components of Amounts Recognized as Accumulated Other Comprehensive Income on Pre-Tax Basis

The components of amounts recognized as “Accumulated other comprehensive income” consist of the following on a pre-tax basis:

	Pension Benefits				Other Benefits
In millions	2016		2015		2016			2015
Prior service    cost/(credit)	$	14.8	$	12.0	$	(0.6	)	$	(0.8	)
Net actuarial loss		165.9		185.0		(7.4	)		(4.8	)

Weighted-Average Assumptions Used in Computing Benefit Obligations

The weighted-average assumptions used in computing the benefit obligations above were as follows:

	Pension Benefits						Other Benefits
	2016			2015			2016			2015
Discount rate –    benefit    obligation		4.43	%		4.65	%		4.18	%		4.38	%
Future    compensation    growth rate		3.00			3.50		–			–

Information for Pension Plans with Accumulated Benefit Obligation in Excess of Plan Assets

Information for pension plans with an accumulated benefit obligation in excess of plan assets was as follows:

In millions	2016		2015
Projected benefit obligation	$	37.9	$	36.1
Accumulated benefit    obligation		34.6		33.1
Fair value of plan assets	–		–

Schedule of Net Periodic Benefit Cost of Pension and Other Benefits

Net periodic benefit cost includes the following components:

	Year Ended December 31
In millions	2016			2015			2014
Pension Benefits
Service cost	$	10.5		$	11.6		$	10.4
Interest cost		24.5			23.3			24.8
Expected return on plan    assets		(45.4	)		(46.0	)		(43.9	)
Amortization of prior    service cost		2.7			3.1			3.3
Amortization of    actuarial loss		13.2			17.1			12.1
One-time settlement    charge		7.3			—			—
Total net periodic benefit cost	$	12.8		$	9.1		$	6.7
Other Benefits
Service cost	$	1.1		$	1.4		$	1.5
Interest cost		2.0			2.0			2.5
Amortization of prior    service cost/(credit)		(0.2	)		(0.3	)		(0.3	)
Amortization of    actuarial loss		(0.8	)		0.2			0.4
Total net periodic    benefit cost	$	2.1		$	3.3		$	4.1

Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss)

Other changes in plan assets and benefit obligations recognized in other comprehensive income (loss) were as follows:

	Year Ended December 31
In millions	2016			2015
Pension Benefits
Actuarial loss	$	1.4		$	21.5
Plan amendments		5.5			—
Recognized prior service cost		(2.7	)		(3.1	)
Recognized actuarial losses		(20.5	)		(17.1	)
Total recognized in other    comprehensive loss		(16.3	)		1.3
Total recognized in net periodic    benefit cost and other    comprehensive loss	$	(3.5	)	$	10.4
Other Benefits
Actuarial (gain) loss	$	(3.4	)	$	(10.1	)
Amortization of prior service cost		0.2			0.3
Amortization of actuarial losses		0.8			(0.2	)
Total recognized in other    comprehensive (income) loss		(2.4	)		(10.0	)
Total recognized in net periodic    benefit cost and other    comprehensive (income) loss	$	(0.3	)	$	(6.7	)

Schedule of Defined Benefit Plan Weighted-Average Assumptions Used in Computing Net Periodic Benefit Cost

The weighted-average assumptions used in computing the net periodic benefit cost information above were as follows:

	Year Ended December 31
	2016			2015			2014
Pension Benefits
Discount rate – benefit expense		4.65	%		4.21	%		5.20	%
Future compensation growth rate		3.50			4.00			4.00
Expected long-term rate of return    on plan assets		7.75			8.00			8.00
Other Benefits
Discount rate – benefit expense		4.38	%		3.89	%		4.52	%

Schedule of Health Care Cost Trend Rates Used in Calculating Benefit Obligations

Assumed health care cost trend rates used to determine benefit obligations at December 31 were as follows:

	2016			2015
Health care cost trend rate    assumed for next year		6.50	%		6.80	%
Rate to which the cost    trend rate is assumed to    decline (the ultimate trend rate)		4.50			4.50
Year that the rate reaches    the ultimate rate	2037			2037

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates

Assumed health care cost trend rates have a significant effect on the amounts reported for health care plans. A one percentage-point change in assumed health care cost trend rates would have the following effects:

	One Percentage Point
In millions	Increase		Decrease
Effect on:
Post-retirement benefit obligation	$	3.8	$	(3.4	)
Total of service and interest    cost components		0.3		(0.3	)

Schedule of Targeted Range of Investment Allocations of Plan Assets

Risk is minimized by diversification by asset class, by style of each manager and by sector and industry limits when applicable. The targeted range of investment allocations of Plan assets is as follows:

	Range
Domestic Equity		35	%	-		45	%
International equity	8			-	14
Real Estate Investment     Trusts (REIT)	2			-	6
Fixed income, cash    and cash equivalents	55			-	35

Schedule of Fair Value of Benefit Plan Assets

The table below presents the fair values of our benefit plan assets by level within the fair value hierarchy, as described in Note 2:

	December 31, 2016
In millions	Total		Level 1		Level 2		Level 3
Domestic Equity
Large cap	$	201.9	$	7.1	$	194.8	$	-
Small and mid    cap		50.9		50.9		-		-
International    equity		79.5		38.8		40.7		-
REIT		27.9		27.9		-		-
Fixed income		237.7		28.5		209.2		-
Cash and    equivalents		12.8		-		12.8		-
Total	$	610.7	$	153.2	$	457.5	$	-

	December 31, 2015
In millions	Total		Level 1		Level 2		Level 3
Domestic Equity
Large cap	$	175.1	$	58.4	$	116.7	$	-
Small and mid    cap		68.7		68.7		-		-
International    equity		79.8		42.2		37.6		-
REIT		31.9		31.9		-		-
Fixed income		222.4		32.3		190.1		-
Cash and    equivalents		17.0		-		17.0		-
Total	$	594.9	$	233.5	$	361.4	$	-

Benefit Payments Expected to be Made under Non-Qualified Pension Plans and Other Benefit Plans

Benefit payments expected to be made in 2017 under our non-qualified pension plans and other benefit plans are summarized below:

In thousands
Nonqualified pension plans	$	1,991
Other benefit plans		3,212

Summary of Benefit Expected to be Paid Out

The following benefit payments under all pension and other benefit plans, and giving effect to expected future service, as appropriate, are expected to be paid:

In thousands	Pension Benefits		Other Benefits
2017	$	36,885	$	3,212
2018		37,033		3,548
2019		36,520		4,013
2020		36,871		4,389
2021		36,871		4,488
2022 through 2026		184,679		21,009