Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Revenue from External Customers by Product Line

The following presents net sales by product line:

	2014		2013		2012
Stainless and electrical	$	1,836.5	$	1,705.3	$	1,898.9
Carbon	4,423.3		3,643.4		3,789.6
Tubular	231.4		220.7		243.6
Other	14.5		1.0		1.6
Total	$	6,505.7	$	5,570.4	$	5,933.7

Schedule of Percentage of Net Sales by Market

The following sets forth the percentage of the Company’s net sales attributable to various markets:

	2014		2013		2012
Automotive	53	%	51	%	45	%
Infrastructure and Manufacturing	18	%	20	%	23	%
Distributors and Converters	29	%	29	%	32	%