Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2020

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost (Credit)

The following table summarizes the components of net periodic benefit cost (credit) for the three months ended March 31, 2020 and 2019 for the Ryerson pension plans and postretirement benefit plans other than pension:

	Three Months Ended March 31,
	Pension Benefits						Other Benefits
	2020			2019			2020			2019
	(In millions)
Components of net periodic benefit (credit) cost
Service cost	$	0.9		$	0.8		$	0.1		$	0.1
Interest cost		5.2			7.3			0.4			0.6
Expected return on assets		(8.1	)		(9.1	)		—			—
Settlement expense		0.4			0.1			—			—
Recognized actuarial (gain) loss		4.3			3.7			(1.7	)		(1.9	)
Amortization of prior service credit		—			—			(0.5	)		(0.7	)
Net periodic benefit (credit) cost	$	2.7		$	2.8		$	(1.7	)	$	(1.9	)