Retirement and Other Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2018

Defined Benefit Retirement Plans | U.S. | Non-qualified

Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Net Periodic Benefit Costs of Defined Benefit Retirement Plans

Net periodic benefit costs of our defined benefit retirement plans for the quarter ended March 31, 2018 and 2017 were as follows:

	Quarter Ended March 31,
(In millions)	2018		2017
U.S. Nonqualified Defined Benefit Retirement Plans
Service cost	$	0.3	$	0.3
Interest cost	0.1		0.2
Net amortization and deferral	―		0.1
Net periodic benefit cost	$	0.4	$	0.6

Schedule of Amounts Recognized on Balance Sheet

(In millions)	March 31, 2018		December 31, 2017
Amounts recognized on the balance sheet:
Accrued liabilities	$	4.8	$	4.5
Other non-current liabilities		17.1	16.9
	$	21.9	$	21.4

Defined Benefit Retirement Plans | European

Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Net Periodic Benefit Costs of Defined Benefit Retirement Plans

	Quarter Ended March 31,
(In millions)	2018			2017
European Defined Benefit Retirement Plans
Service cost	$	0.3		$	0.2
Interest cost	1.1			1.1
Expected return on plan assets		(2.4	)		(2.0	)
Net amortization and deferral		0.1		0.1
Net periodic benefit credit	$	(0.9	)	$	(0.6	)

Schedule of Amounts Recognized on Balance Sheet

(In millions)	March 31, 2018		December 31, 2017
Amounts recognized on the balance sheet:
Noncurrent asset	$	36.6	$	32.2
Accrued liabilities		1.1		0.3
Other non-current liabilities		21.7		19.6
Total accrued benefit	$	22.8	$	19.9

Postretirement Health Care and Life Insurance Benefit Plans

Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Amounts Recognized on Balance Sheet

Net periodic benefit costs of our postretirement health care and life insurance benefit plans for the quarters ended March 31, 2018 and 2017 were not material.

(In millions)	March 31, 2018		December 31, 2017
Amounts recognized on the balance sheet:
Accrued liabilities	$	0.5	$	0.5
Other non-current liabilities	3.9		3.6
Total accrued benefit	$	4.4	$	4.1