Segment and Geographical Area Information (Tables)

12 Months Ended

Dec. 31, 2016

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,
	2016			2015			2014
Net sales:
Fabricated Products	$	1,330.6		$	1,391.9		$	1,356.1
Segment operating income (loss):
Fabricated Products 1,2	229.6			190.8			151.4
All Other3	(51.8		)	(536.7		)	(13.5		)
Total operating income (loss)	177.8			(345.9		)	137.9
Interest expense	(20.3		)	(24.1		)	(37.5		)
Other (expense) income, net	(10.3		)	(1.8		)	6.7
Income (loss) before income taxes	$	147.2		$	(371.8	)	$	107.1
Depreciation and amortization:
Fabricated Products	$	35.4		$	31.9		$	30.6
All Other	0.6			0.5			0.5
Total depreciation and amortization	$	36.0		$	32.4		$	31.1
Capital expenditures:
Fabricated Products	$	75.6		$	62.4		$	58.5
All Other	0.5			0.7			0.9
Total capital expenditures	$	76.1		$	63.1		$	59.4

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^1.  Fabricated Products segment operating income during 2016 included a $2.6 million non-cash impairment charge relating to the write-off of a customer relationship intangible asset (see Note 4). Also included in the Fabricated Products segment operating income were lower of cost or market inventory write-downs of $4.9 million and $2.6 million during 2016 and 2015, respectively.

^2.  Fabricated Products segment results for 2016, 2015 and 2014 included a non-cash mark-to-market gain (loss) on primary aluminum, natural gas, electricity and foreign currency hedging activities totaling $18.7 million, $(3.4) million and $(10.4) million, respectively. See Note 10 for further discussion regarding mark-to-market matters.

^3.  Operating loss of All Other included net periodic postretirement benefit cost (income) of $3.4 million, $2.4 million and $(23.7) million for 2016, 2015 and 2014, respectively. Additionally, operating (income) loss of All Other included (Gain) loss on removal of Union VEBA net assets of $(0.1) million and $493.4 million during the year ended December 31, 2016 and December 31, 2015, respectively. See Note 6 for further details.

	December 31, 2016		December 31, 2015
Assets:
Fabricated Products	$	969.4	$	904.7
All Other1	474.1		342.2
Total assets	$	1,443.5	$	1,246.9

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^1.  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 10) and net deferred income tax assets.

Schedule of net sales by end market segment applications

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

	Year Ended December 31,
	2016		2015		2014
Net sales:
Aero/HS products	$	675.4	$	695.5	$	686.3
Automotive Extrusions	188.8		199.2		173.5
GE products	420.1		426.1		419.5
Other products	46.3		71.1		76.8
Total net sales	$	1,330.6	$	1,391.9	$	1,356.1

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,
	2016		2015		2014
Net sales to unaffiliated customers:
Fabricated Products –
United States	$	1,278.6	$	1,321.3	$	1,254.0
Canada	52.0		70.6		102.1
Total net sales	$	1,330.6	$	1,391.9	$	1,356.1
Income taxes paid:
Fabricated Products –
United States	$	0.7	$	0.6	$	2.1
Canada	0.5		1.7		1.4
Total income taxes paid	$	1.2	$	2.3	$	3.5

	December 31,
	2016		2015
Long-lived assets:1
Fabricated Products –
United States	$	494.7	$	459.6
Canada	31.4		30.9
Total Fabricated Products long-lived assets	526.1		490.5
All Other –
United States	4.8		4.9
Total All Other long-lived assets	4.8		4.9
Total long-lived assets	$	530.9	$	495.4

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

Schedules of Concentration of Risk, by Risk Factor

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

	Year Ended December 31,
	2016		2015		2014
Percentage of Net sales:
Export sales	19	%	19	%	19	%
Percentage of total annual primary aluminum supply (lbs):
Supply from our top five major suppliers	84	%	86	%	71	%
Supply from our largest supplier	32	%	28	%	30	%
Supply from our second and third largest suppliers	32	%	36	%	25	%