Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Schedule of (Income) Charges Related to Benefit Plans

The following table presents the components of net periodic benefit cost for the Salaried VEBA and charges relating to all other employee benefit plans for the periods presented (in millions of dollars):

	Quarter Ended
	March 31,
	2016			2015
Salaried VEBA:
Service cost1	$	—		$	—
Interest cost	0.7			0.7
Expected return on plan assets	(1.0		)	(1.1		)
Amortization of prior service cost	1.0			0.7
Amortization of net actuarial loss	0.1			0.3
Total net periodic postretirement benefit cost relating to Salaried VEBA	0.8			0.6
(Gain) loss on removal of Union VEBA net assets	(0.1		)	492.2
Other employee benefit plans:
Deferred compensation plan	0.1			0.4
Defined contribution plans	4.0			4.0
Multiemployer pension plans	1.1			0.9
Total other employee benefit plans	$	5.2		$	5.3
Total	$	5.9		$	498.1

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¹  The service cost was insignificant for all periods presented.

The following table presents the allocation of the charges (income) detailed above, by reportable segment and business unit (in millions of dollars – see Note 11):

	Quarter Ended
	March 31,
	2016		2015
Fabricated Products	$	4.7	$	4.6
All Other	1.2		493.5
Total	$	5.9	$	498.1