Union Contracts (Details)	Jun. 30, 2014 employees
Middletown OH Works [Member]
Concentration Risk [Line Items]
Entity Number of Employees	1,630
Walbridge Tube [Member]
Concentration Risk [Line Items]
Entity Number of Employees	100
Ashland Works [Member]
Concentration Risk [Line Items]
Entity Number of Employees	820
Zanesville Works [Member]
Concentration Risk [Line Items]
Entity Number of Employees	150