Segment and Geographical Area Information (Tables)

12 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

Summary of financial information by operating segment

The following tables provide financial information by reporting segment and business unit for each period or as of each period end, as applicable (in millions of dollars):

	Year Ended December 31,
	2015			2014			2013
Net sales:
Fabricated Products	$	1,391.9		$	1,356.1		$	1,297.5
Segment operating (loss) income:
Fabricated Products 1,2	$	190.8		$	151.4		$	188.6
All Other3	(536.7		)	(13.5		)	(15.3		)
Total operating (loss) income	$	(345.9	)	$	137.9		$	173.3
Interest expense	(24.1		)	(37.5		)	(35.7		)
Other (expense) income, net	(1.8		)	6.7			5.6
(Loss) income before income taxes	$	(371.8	)	$	107.1		$	143.2
Depreciation and amortization:
Fabricated Products	$	31.9		$	30.6		$	27.6
All Other	0.5			0.5			0.5
Total depreciation and amortization	$	32.4		$	31.1		$	28.1
Capital expenditures:
Fabricated Products	$	62.4		$	58.5		$	69.8
All Other	0.7			0.9			0.6
Total capital expenditures	$	63.1		$	59.4		$	70.4

	December 31, 2015		December 31, 2014
Assets:
Fabricated Products	$	904.8	$	878.9
All Other4	345.3		864.8
Total assets	$	1,250.1	$	1,743.7

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^1.  Operating income in the Fabricated Products segment for 2015, 2014 and 2013 included $1.7 million, $1.2 million and $4.0 million, respectively, of environmental expense. Fabricated Products segment operating income included $0.1 million and $1.5 million of asset impairment charge relating to certain property, plant and equipment for 2015 and 2014, respectively, and none for 2013. Also included in the Fabricated Products segment operating income for 2015 was a $2.6 million lower of cost or market inventory write-down.

^2.  Fabricated Products segment results for 2015, 2014 and 2013 included a non-cash mark-to-market (loss) gain on primary aluminum, natural gas, electricity and foreign currency hedging activities totaling $(3.4) million, $(10.4) million and $0.7 million, respectively. For further discussion regarding mark-to-market matters, see Note 10.

^3.  Operating loss of All Other included net periodic postretirement benefit cost (income) of $2.4 million, $(23.7) million and $(22.5) million for 2015, 2014 and 2013, respectively. Additionally, operating loss in All Other included Loss on removal of Union VEBA net assets of $493.4 million during the year ended December 31, 2015. See Note 6 for further details.

^4.  Assets in All Other represent primarily all of our cash and cash equivalents, short-term investments, financial derivative assets, net assets of VEBAs (see Note 6 and Note 11) and net deferred income tax assets.

Schedule of net sales by end market segment applications

Net sales by product categories based on end market applications for the Fabricated Products segment were as follows (in millions of dollars):

	Year Ended December 31,
	2015		2014		2013
Net sales:
Aero/HS products	$	695.5	$	686.3	$	677.0
Automotive Extrusions	199.2		173.5		129.5
GE products	426.1		419.5		411.0
Other products	71.1		76.8		80.0
Total net sales	$	1,391.9	$	1,356.1	$	1,297.5

Schedule of net sales, income taxes paid, and long-lived assets, by geographical area

Geographic information for net sales based on country of origin, income taxes paid and long-lived assets were as follows (in millions of dollars):

	Year Ended December 31,
	2015		2014		2013
Net sales to unaffiliated customers:
Fabricated Products –
United States	$	1,321.3	$	1,254.0	$	1,204.7
Canada	70.6		102.1		92.8
Total net sales	$	1,391.9	$	1,356.1	$	1,297.5
Income taxes paid:
Fabricated Products –
United States	$	0.6	$	2.1	$	1.2
Canada	1.7		1.4		0.9
Total income taxes paid	$	2.3	$	3.5	$	2.1

	Year Ended December 31,
	2015		2014
Long-lived assets:1
Fabricated Products –
United States	$	459.6	$	432.6
Canada	30.9		17.4
Total Fabricated Products long-lived assets	490.5		450.0
All Other –
United States	4.9		4.9
Total All Other long-lived assets	4.9		4.9
Total long-lived assets	$	495.4	$	454.9

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^1.  Long-lived assets represent Property, plant and equipment – net.

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

Information for export sales and primary aluminum supply from our major suppliers were as follows:

	Year Ended December 31,
	2015		2014		2013
Percentage of Net sales:
Export sales	19	%	19	%	17	%
Percentage of total annual primary aluminum supply (lbs):
Supply from the Company's five largest suppliers	86	%	71	%	86	%
Supply from the Company's largest supplier	28	%	30	%	25	%
Supply from the Company's second and third largest suppliers	36	%	25	%	35	%