Retirement and Other Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2021

Defined Benefit Retirement Plans

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)	2021			2020
European Defined Benefit Retirement Plans
Service cost	$	0.2		$	0.2
Interest cost		0.5			0.9
Expected return on plan assets		(0.9	)		(1.7	)
Net amortization and deferral		0.3			0.1
Net periodic benefit cost (credit)	$	0.1		$	(0.5	)

Schedule of Amounts Recognized on Balance Sheet

(In millions)	March 31, 2021		December 31, 2020
Amounts recognized on the balance sheet for European defined benefit retirement plans:
Other assets	$	33.5	$	31.5
Accrued liabilities		1.0		0.9
Other non-current liabilities		19.1		17.7
Total accrued benefit	$	20.1	$	18.6

Defined Benefit Retirement Plans | 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 three months ended March 31, 2021 and 2020 were as follows:

	Quarter Ended March 31,
(In millions)	2021		2020
U.S. Nonqualified Defined Benefit Retirement Plans
Service cost	$	0.2	$	0.3
Interest cost		0.1		0.1
Net amortization		0.2		0.1
Net periodic benefit cost	$	0.5	$	0.5

Schedule of Amounts Recognized on Balance Sheet

(In millions)	March 31, 2021		December 31, 2020
Amounts recognized on the balance sheet for U.S. nonqualified defined benefit retirement plans:
Accrued liabilities		3.8	$	3.8
Other non-current liabilities		19.6		19.4
Total accrued benefit	$	23.4	$	23.2

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 three months ended three months ended March 31, 2021 and 2020 were immaterial.

(In millions)	March 31, 2021		December 31, 2020
Amounts recognized on the balance sheet:
Accrued liabilities	$	0.4	$	0.4
Other non-current liabilities		2.2		2.2
Total accrued benefit	$	2.6	$	2.6