Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228

Condensed Consolidating Financial Statements (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Condensed Consolidating Statement of Comprehensive Income
Net sales	$ 2,576.7us-gaap_SalesRevenueNet	$ 2,705.1us-gaap_SalesRevenueNet	$ 2,616.8us-gaap_SalesRevenueNet	$ 2,553.0us-gaap_SalesRevenueNet	$ 2,306.7us-gaap_SalesRevenueNet	$ 2,443.5us-gaap_SalesRevenueNet	$ 2,448.3us-gaap_SalesRevenueNet	$ 2,025.3us-gaap_SalesRevenueNet	$ 10,451.6us-gaap_SalesRevenueNet	$ 9,223.8us-gaap_SalesRevenueNet	$ 8,442.3us-gaap_SalesRevenueNet
Costs and expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	1,954.4us-gaap_CostOfGoodsAndServicesSold	2,026.9us-gaap_CostOfGoodsAndServicesSold	1,943.5us-gaap_CostOfGoodsAndServicesSold	1,905.8us-gaap_CostOfGoodsAndServicesSold	1,702.5us-gaap_CostOfGoodsAndServicesSold	1,800.5us-gaap_CostOfGoodsAndServicesSold	1,826.7us-gaap_CostOfGoodsAndServicesSold	1,496.5us-gaap_CostOfGoodsAndServicesSold	7,830.6us-gaap_CostOfGoodsAndServicesSold	6,826.2us-gaap_CostOfGoodsAndServicesSold	6,235.4us-gaap_CostOfGoodsAndServicesSold
Warehouse, delivery, selling, general and administrative									1,789.8	1,638.4	1,396.2
Depreciation and amortization									213.8	192.4	149.0
Impairment charge										14.9us-gaap_AssetImpairmentCharges	2.5us-gaap_AssetImpairmentCharges
Total costs and expenses									9,834.2us-gaap_CostsAndExpenses	8,671.9us-gaap_CostsAndExpenses	7,783.1us-gaap_CostsAndExpenses
Operating (loss) income									617.4us-gaap_OperatingIncomeLoss	551.9us-gaap_OperatingIncomeLoss	659.2us-gaap_OperatingIncomeLoss
Other income (expense):
Interest									(81.9)us-gaap_InterestExpense	(77.5)us-gaap_InterestExpense	(58.4)us-gaap_InterestExpense
Other income (expense), net									10.8us-gaap_OtherNonoperatingIncomeExpense	3.9us-gaap_OtherNonoperatingIncomeExpense	8.6us-gaap_OtherNonoperatingIncomeExpense
(Loss) income before equity in earnings of subsidiaries and income taxes									546.3	478.3	609.4
Income before income taxes									546.3	478.3	609.4
Income tax (benefit) provision									170.0us-gaap_IncomeTaxExpenseBenefit	153.6us-gaap_IncomeTaxExpenseBenefit	201.1us-gaap_IncomeTaxExpenseBenefit
Net income	93.7us-gaap_ProfitLoss	96.9us-gaap_ProfitLoss	97.8us-gaap_ProfitLoss	87.9us-gaap_ProfitLoss	62.3us-gaap_ProfitLoss	96.0us-gaap_ProfitLoss	81.9us-gaap_ProfitLoss	84.5us-gaap_ProfitLoss	376.3us-gaap_ProfitLoss	324.7us-gaap_ProfitLoss	408.3us-gaap_ProfitLoss
Less: Net income attributable to noncontrolling interests									4.8	3.1	4.8
Net income attributable to Reliance	92.3	95.5	96.5	87.2	61.8	95.1	81.0	83.7	371.5	321.6	403.5
Comprehensive income attributable to Reliance									329.3us-gaap_ComprehensiveIncomeNetOfTax	316.4us-gaap_ComprehensiveIncomeNetOfTax	410.8us-gaap_ComprehensiveIncomeNetOfTax
Reportable legal entities \| Parent
Condensed Consolidating Statement of Comprehensive Income
Net sales									750.2	704.5	726.3
Costs and expenses:
Cost of sales (exclusive of depreciation and amortization shown below)									557.0	509.7	534.9
Warehouse, delivery, selling, general and administrative									157.3	200.7	188.1
Depreciation and amortization									19.8	17.5	14.3
Total costs and expenses									734.1	727.9	737.3
Operating (loss) income									16.1	(23.4)	(11.0)
Other income (expense):
Interest									(78.1)	(74.7)	(57.7)
Other income (expense), net									67.7	75.7	73.9
(Loss) income before equity in earnings of subsidiaries and income taxes									5.7	(22.4)	5.2
Equity in earnings of subsidiaries									325.1	300.3	379.2
Income before income taxes									330.8	277.9	384.4
Income tax (benefit) provision									(40.7)	(43.7)	(19.1)
Net income									371.5	321.6	403.5
Net income attributable to Reliance									371.5	321.6	403.5
Comprehensive income attributable to Reliance									367.5	318.9	404.2
Reportable legal entities \| Guarantor Subsidiaries
Condensed Consolidating Statement of Comprehensive Income
Net sales									9,110.2	8,021.6	7,298.4
Costs and expenses:
Cost of sales (exclusive of depreciation and amortization shown below)									6,885.4	5,999.2	5,463.2
Warehouse, delivery, selling, general and administrative									1,545.9	1,385.5	1,164.5
Depreciation and amortization									174.0	158.6	122.2
Impairment charge										14.9	2.5
Total costs and expenses									8,605.3	7,558.2	6,752.4
Operating (loss) income									504.9	463.4	546.0
Other income (expense):
Interest									(28.3)	(19.9)	(14.4)
Other income (expense), net									(2.7)	5.5	3.4
(Loss) income before equity in earnings of subsidiaries and income taxes									473.9	449.0	535.0
Equity in earnings of subsidiaries									21.2	12.4	28.9
Income before income taxes									495.1	461.4	563.9
Income tax (benefit) provision									190.1	181.0	206.0
Net income									305.0	280.4	357.9
Less: Net income attributable to noncontrolling interests									4.4	2.8	4.6
Net income attributable to Reliance									300.6	277.6	353.3
Comprehensive income attributable to Reliance									280.4	293.5	350.4
Reportable legal entities \| Non-Guarantor Subsidiaries
Condensed Consolidating Statement of Comprehensive Income
Net sales									825.9	710.1	640.2
Costs and expenses:
Cost of sales (exclusive of depreciation and amortization shown below)									623.0	529.7	460.0
Warehouse, delivery, selling, general and administrative									140.9	117.8	96.4
Depreciation and amortization									20.0	16.3	12.5
Total costs and expenses									783.9	663.8	568.9
Operating (loss) income									42.0	46.3	71.3
Other income (expense):
Interest									(5.7)	(4.2)	(2.2)
Other income (expense), net									30.4	9.6	0.1
(Loss) income before equity in earnings of subsidiaries and income taxes									66.7	51.7	69.2
Income before income taxes									66.7	51.7	69.2
Income tax (benefit) provision									20.6	16.3	14.2
Net income									46.1	35.4	55.0
Less: Net income attributable to noncontrolling interests									0.4	0.3	0.2
Net income attributable to Reliance									45.7	35.1	54.8
Comprehensive income attributable to Reliance									27.7	16.7	64.3
Consolidating Adjustments
Condensed Consolidating Statement of Comprehensive Income
Net sales									(234.7)	(212.4)	(222.6)
Costs and expenses:
Cost of sales (exclusive of depreciation and amortization shown below)									(234.8)	(212.4)	(222.7)
Warehouse, delivery, selling, general and administrative									(54.3)	(65.6)	(52.8)
Total costs and expenses									(289.1)	(278.0)	(275.5)
Operating (loss) income									54.4	65.6	52.9
Other income (expense):
Interest									30.2	21.3	15.9
Other income (expense), net									(84.6)	(86.9)	(68.8)
Equity in earnings of subsidiaries									(346.3)	(312.7)	(408.1)
Income before income taxes									(346.3)	(312.7)	(408.1)
Net income									(346.3)	(312.7)	(408.1)
Net income attributable to Reliance									(346.3)	(312.7)	(408.1)
Comprehensive income attributable to Reliance									$ (346.3)	$ (312.7)	$ (408.1)