Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule of debt

Debt at December 31, 2015 and 2014 was as follows:

(In millions)	2015			2014
Allegheny Technologies $500 million 5.875% Senior Notes due 2023 (a)	$	500.0		$	500.0
Allegheny Technologies $500 million 5.95% Senior Notes due 2021	500.0			500.0
Allegheny Technologies $350 million 9.375% Senior Notes due 2019	350.0			350.0
Allegheny Ludlum 6.95% Debentures due 2025	150.0			150.0
Ladish Series B 6.14% Notes due 2016 (b)	—			11.9
Ladish Series C 6.41% Notes due 2015 (c)	—			10.3
U.S. revolving credit facilities	—			—
Foreign credit agreements	1.4			—
Industrial revenue bonds, due through 2020, and other	3.8			4.7
Debt issuance costs (d)	(9.5		)	(10.9		)
Total short-term and long-term debt	1,495.7			1,516.0
Short-term debt and current portion of long-term debt	3.9			17.8
Total long-term debt	$	1,491.8		$	1,498.2

(a) Bearing interest at 7.625% effective August 15, 2015.

(b) Includes fair value adjustment of $0.4 million at December 31, 2014.

(c) Includes fair value adjustment of $0.3 million at December 31, 2014.

(d) In April 2015, the FASB issued new guidance on the presentation of debt issuance costs. This guidance requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability. The Company early adopted this new guidance on a retrospective basis in the fourth quarter of fiscal year 2015.