Pension Plans and Other Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2020

Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]

Net Funded Status of Over-Funded, Underfunded, and Unfunded Pension Plans

The following table presents the funded status of GCP's overfunded, underfunded and unfunded defined pension plans:

(In millions)	June 30, 2020		December 31, 2019
Overfunded defined benefit pension plans	$	23.6	$	25.0
Underfunded defined benefit pension plans	(42.6)		(40.8)
Unfunded defined benefit pension plans	(26.1)		(26.7)
Total underfunded and unfunded defined benefit pension plans	(68.7)		(67.5)
Pension liabilities included in other current liabilities	(0.9)		(1.2)
Net funded status	$	(46.0)	$	(43.7)

Components of Net Periodic Benefit Cost (Income)

Components of Net Periodic Benefit Cost

        The components of GCP's net periodic benefit cost for the three and six months ended June 30, 2020 and 2019 are as follows:

	Three Months Ended June 30,
	2020				2019
	Pension				Pension
(In millions)	U.S.		Non-U.S.		U.S.		Non-U.S.
Service cost	$	1.6	$	0.2	$	1.7	$	0.6
Interest cost	1.2		1.0		1.5		1.3
Expected return on plan assets	(1.7)		(1.1)		(1.6)		(1.5)
Amortization of prior service cost	—		0.1		—		—
Net periodic benefit cost (1)	$	1.1	$	0.2	$	1.6	$	0.4

	Six Months Ended June 30,
	2020				2019
	Pension				Pension
(In millions)	U.S.		Non-U.S.		U.S.		Non-U.S.
Service cost	$	3.1	$	0.4	$	3.2	$	1.3
Interest cost	2.5		2.1		2.9		2.7
Expected return on plan assets	(3.3)		(2.3)		(3.2)		(3.0)
Amortization of prior service cost	—		0.1		—		—
Net periodic benefit cost (1)	$	2.3	$	0.3	$	2.9	$	1.0

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(1)Service cost component of net periodic benefit cost is included in "Selling, general and administrative expenses" and "Cost of goods sold" in the accompanying unaudited Consolidated Statements of Operations. All other components of net periodic benefit cost are presented in "Other income, net," within the accompanying unaudited Consolidated Statements of Operations.