Debt (Tables)

3 Months Ended

Mar. 31, 2013

Debt Disclosure (Tables) [Abstract]

Schedule of Debt Instruments Text Block

	March 31,		December 31,
	2013		2012
Allegheny Technologies 5.95% Notes due 2021	$	500.0	$	500.0
Allegheny Technologies 4.25% Convertible Notes due 2014		402.5		402.5
Allegheny Technologies 9.375% Notes due 2019		350.0		350.0
Allegheny Ludlum 6.95% debentures due 2025		150.0		150.0
ATI Ladish Series B 6.14% Notes due 2016 (a)		24.6		24.8
ATI Ladish Series C 6.41% Notes due 2015 (b)		32.1		32.5
Domestic Bank Group $400 million unsecured credit facility		-		-
Foreign credit facilities		13.8		14.2
Industrial revenue bonds, due through 2020, and other		6.1		6.1
Total short-term and long-term debt		1,479.1		1,480.1
Short-term debt and current portion of long-term debt		17.1		17.1
Total long-term debt	$	1,462.0	$	1,463.0