Employee Benefit Plans (Tables)

3 Months Ended

Aug. 31, 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”).

	UK Pension Plan				Postretirement Benefits
	Three months ended August 31,				Three months ended August 31,
	2019		2018		2019	2018
Components of net periodic (benefit) cost:
Service cost	$0.0		$0.0		$0.0	$0.0
Interest cost	0.2		0.2		0.2	0.2
Expected return on assets	(0.2	)	(0.2	)	—	—
Net amortization of prior service credit	—		—		0.0	—
Amortization of (gains) losses	0.2		0.2		—	—
Net periodic (benefit) cost	$0.2		$0.2		$0.2	$0.2