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v2.4.1.9

Segment Information (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
Consolidated financial information of the Company's operations by geographic location |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 2,576.7 us-gaap_SalesRevenueNet | $ 2,705.1 us-gaap_SalesRevenueNet | $ 2,616.8 us-gaap_SalesRevenueNet | $ 2,553.0 us-gaap_SalesRevenueNet | $ 2,306.7 us-gaap_SalesRevenueNet | $ 2,443.5 us-gaap_SalesRevenueNet | $ 2,448.3 us-gaap_SalesRevenueNet | $ 2,025.3 us-gaap_SalesRevenueNet | $ 10,451.6 us-gaap_SalesRevenueNet | $ 9,223.8 us-gaap_SalesRevenueNet | $ 8,442.3 us-gaap_SalesRevenueNet
Long-lived assets | 4,715.5 us-gaap_AssetsNoncurrent |  |  |  | 4,602.1 us-gaap_AssetsNoncurrent |  |  |  | 4,715.5 us-gaap_AssetsNoncurrent | 4,602.1 us-gaap_AssetsNoncurrent | 3,580.3 us-gaap_AssetsNoncurrent
United States |  |  |  |  |  |  |  |  |  |  |
Consolidated financial information of the Company's operations by geographic location |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 9,801.0 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_US | 8,682.2 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_US | 7,861.3 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_US
Long-lived assets | 4,327.2 us-gaap_AssetsNoncurrent / us-gaap_StatementGeographicalAxis = country_US |  |  |  | 4,296.6 us-gaap_AssetsNoncurrent / us-gaap_StatementGeographicalAxis = country_US |  |  |  | 4,327.2 us-gaap_AssetsNoncurrent / us-gaap_StatementGeographicalAxis = country_US | 4,296.6 us-gaap_AssetsNoncurrent / us-gaap_StatementGeographicalAxis = country_US | 3,270.9 us-gaap_AssetsNoncurrent / us-gaap_StatementGeographicalAxis = country_US
Foreign Countries |  |  |  |  |  |  |  |  |  |  |
Consolidated financial information of the Company's operations by geographic location |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 650.6 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = rs_ForeignCountriesMember | 541.6 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = rs_ForeignCountriesMember | 581.0 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = rs_ForeignCountriesMember
Long-lived assets | $ 388.3 us-gaap_AssetsNoncurrent / us-gaap_StatementGeographicalAxis = rs_ForeignCountriesMember |  |  |  | $ 305.5 us-gaap_AssetsNoncurrent / us-gaap_StatementGeographicalAxis = rs_ForeignCountriesMember |  |  |  | $ 388.3 us-gaap_AssetsNoncurrent / us-gaap_StatementGeographicalAxis = rs_ForeignCountriesMember | $ 305.5 us-gaap_AssetsNoncurrent / us-gaap_StatementGeographicalAxis = rs_ForeignCountriesMember | $ 309.4 us-gaap_AssetsNoncurrent / us-gaap_StatementGeographicalAxis = rs_ForeignCountriesMember

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