Employee Benefit Plans (Tables)

6 Months Ended

Nov. 30, 2019

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The following table sets forth the components of net periodic benefit (cost) for the periods indicated under the Company’s defined benefit pension plan of Scholastic Ltd., an indirect subsidiary of Scholastic Corporation located in the United Kingdom (the “UK Pension Plan”) and the postretirement benefits plan, consisting of certain healthcare and life insurance benefits provided by the Company to its eligible retired United States-based employees (the “Postretirement Benefits”), for the periods indicated:

	UK Pension Plan				Postretirement Benefits
	Three months ended November 30,				Three months ended November 30,
	2019		2018		2019		2018
Components of net periodic (benefit) cost:
Service cost	$0.0		$0.0		$0.0		$0.0
Interest cost	0.2		0.3		0.1		0.2
Expected return on assets	(0.3	)	(0.3	)	—		—
Net amortization of prior service credit	0.0		—		(0.1	)	(0.1	)
Amortization of (gains) losses	0.3		0.2		0.0		—
Net periodic (benefit) cost	$0.2		$0.2		$0.0		$0.1

	UK Pension Plan		Postretirement Benefits
	Six months ended November 30,		Six months ended November 30,
	2019	2018	2019	2018
Components of net periodic (benefit) cost:
Service cost	$0.0	$0.0	$0.0	$0.0
Interest cost	0.4	0.5	0.3	0.4
Expected return on assets	(0.5)	(0.5)	—	—
Net amortization of prior service credit	0.0	—	(0.1)	(0.1)
Amortization of (gains) losses	0.5	0.4	—	—
Net periodic (benefit) cost	$0.4	$0.4	$0.2	$0.3