Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 80.7	$ 70.8
Restricted cash	4.6	3.9
Receivables less provision for allowances, claims and doubtful accounts	423.5	396.7
Inventories	702.8	741.5
Prepaid expenses and other current assets	46.1	41.4
Total current assets	1,257.7	1,254.3
Property, plant, and equipment, at cost	651.1	648.4
Less: Accumulated depreciation	189.6	165.0
Property, plant and equipment, net	461.5	483.4
Deferred income taxes	38.5	38.4
Other intangible assets	52.7	57.3
Goodwill	89.9	97.0
Deferred charges and other assets	32.4	33.8
Total assets	1,932.7	1,964.2
Current liabilities:
Accounts payable	239.9	196.2
Salaries, wages and commissions	33.9	32.1
Deferred income taxes	129.7	121.6
Other accrued liabilities	77.9	56.6
Short-term debt	21.6	35.3
Current portion of deferred employee benefits	14.1	14.2
Total current liabilities	517.1	456.0
Long-term debt	1,218.5	1,270.1
Deferred employee benefits	455.8	504.4
Taxes and other credits	14.9	14.2
Total liabilities	2,206.3	2,244.7
Commitments and contingencies
Redeemable noncontrolling interest	1.3	1.7
Ryerson Inc. stockholders' equity (deficit):
Common stock, value
Capital in excess of par value	71.3	71.3
Accumulated deficit	(89.2)	(102.5)
Accumulated other comprehensive loss	(255.2)	(253.7)
Total Ryerson Inc. stockholders' equity (deficit)	(273.1)	(284.9)
Noncontrolling interest	(1.8)	2.7
Total equity (deficit)	(274.9)	(282.2)
Total liabilities and equity	$ 1,932.7	$ 1,964.2