Accumulated Other Comprehensive (Loss) Income (Tables)

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Schedule of Accumulated Other Comprehensive (Loss) Income

The following table presents the changes in the accumulated balances for each component of Accumulated other comprehensive (loss) income ("AOCI") for each period presented (in millions of dollars):

	Year Ended December 31,
	2016			2015			2014
Defined benefit pension plan and VEBAs:
Beginning balance	$	(31.3	)	$	(96.4	)	$	(20.8	)
Actuarial loss arising during the period	(5.7		)	(12.9		)	(39.0		)
Less: income tax benefit	2.1			4.9			14.5
Net actuarial loss arising during the period	(3.6		)	(8.0		)	(24.5		)
Prior service (cost) credit arising during the period	(8.3		)	6.8			(90.5		)
Less: income tax benefit (expense)	3.1			(2.6		)	33.8
Net prior service (cost) credit arising during the period	(5.2		)	4.2			(56.7		)
Amortization of net actuarial loss (gain)1	0.5			1.1			(1.8		)
Amortization of prior service cost1	4.1			3.0			10.6
Removal of obligation relating to Union VEBA	—			106.6			—
Less: income tax expense2	(1.7		)	(41.8		)	(3.2		)
Net amortization and reclassification from AOCI to Net income (loss)	2.9			68.9			5.6
Translation impact on Canadian pension plan AOCI balance	0.1			—			—
Other comprehensive (loss) income, net of tax	(5.8		)	65.1			(75.6		)
Ending balance	$	(37.1	)	$	(31.3	)	$	(96.4	)
Available for sale securities:
Beginning balance	$	(0.1	)	$	0.2		$	0.4
Unrealized gain (loss) on available for sale securities	1.9			(0.1		)	(0.2		)
Less: income tax (expense) benefit	(0.7		)	—			0.1
Net gain (loss) on available for sale securities	1.2			(0.1		)	(0.1		)
Gain reclassified from AOCI to Net income (loss)3	(0.5		)	(0.4		)	(0.1		)
Less: income tax benefit2	0.2			0.2			—
Net gain reclassified from AOCI to Net income (loss)	(0.3		)	(0.2		)	(0.1		)
Other comprehensive income (loss), net of tax	0.9			(0.3		)	(0.2		)
Ending balance	$	0.8		$	(0.1	)	$	0.2
Foreign currency cash flow hedges:
Beginning balance	$	(0.2	)	$	—		$	—
Unrealized loss on foreign currency cash flow hedges	—			(0.3		)	—
Less: income tax benefit	—			0.1			—
Net loss on foreign currency cash flow hedges	—			(0.2		)	—
Loss reclassified from AOCI to Net income (loss)4	0.1			—			—
Less: income tax (expense) benefit2	—			—			—
Net loss reclassified from AOCI to Net income (loss)	0.1			—			—
Other comprehensive income (loss), net of tax	0.1			(0.2		)	—
Ending balance	$	(0.1	)	$	(0.2	)	$	—

	Year Ended December 31,
	2016			2015			2014
Alloy Hedges:
Beginning balance	$	—		$	—		$	—
Unrealized loss on Alloy Hedges	(0.1		)	—			—
Less: income tax (expense) benefit	—			—			—
Other comprehensive loss, net of tax	(0.1		)	—			—
Ending balance	$	(0.1	)	$	—		$	—
Foreign currency translation:
Beginning balance	$	(0.1	)	$	0.1		$	(0.3	)
(Loss) gain on foreign currency translation	(0.1		)	(0.2		)	0.4
Less: income tax (expense) benefit	—			—			—
Other comprehensive (loss) income, net of tax	(0.1		)	(0.2		)	0.4
Ending balance	$	(0.2	)	$	(0.1	)	$	0.1
Total AOCI ending balance	$	(36.7	)	$	(31.7	)	$	(96.1	)

____________

^1.  Amounts reclassified out of AOCI relating to VEBA adjustments were included as a component of Net periodic postretirement benefit cost (income) relating to VEBAs.

^2.  Income tax amounts reclassified out of AOCI were included as a component of Income tax (provision) benefit.

^3.  Amounts reclassified out of AOCI relating to sales of available for sale securities were included as a component of Other (expense) income, net. We use the specific identification method to determine the amount reclassified out of AOCI.

^4.  Amounts reclassified out of AOCI relating to foreign currency cash flow hedges were included as a component of Other (expense) income, net.