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Condensed Consolidating Financial Statements - Balance Sheet (Details) - USD ($) $ in Millions | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Apr. 30, 2013 | Nov. 30, 2006 | Mar. 31, 2016 | Dec. 31, 2015 | Mar. 31, 2015 | Dec. 31, 2014
Condensed Unaudited Consolidating Balance Sheet |  |  |  |  |  |
Ownership interest in domestic subsidiaries (as a percent) |  |  | 100.00% |  |  |
Assets |  |  |  |  |  |
Cash and cash equivalents |  |  | $ 120.5 | $ 104.3 | $ 101.6 | $ 106.2
Accounts receivable, net |  |  | 1,009.0 | 916.6 |  |
Inventories |  |  | 1,525.7 | 1,436.0 |  |
Income taxes receivable |  |  | 29.3 | 36.5 |  |
Other current assets |  |  | 55.4 | 60.8 |  |
Total current assets |  |  | 2,739.9 | 2,554.2 |  |
Property, plant and equipment, net |  |  | 1,671.9 | 1,635.5 |  |
Goodwill |  |  | 1,824.6 | 1,724.8 |  |
Intangible assets, net |  |  | 1,205.0 | 1,125.4 |  |
Other assets |  |  | 78.1 | 81.7 |  |
Total assets |  |  | 7,519.5 | 7,121.6 |  |
Liabilities & Equity |  |  |  |  |  |
Accounts payable |  |  | 350.4 | 247.0 |  |
Accrued compensation and retirement costs |  |  | 91.0 | 118.7 |  |
Other current liabilities |  |  | 136.2 | 123.2 |  |
Current maturities of long-term debt and short-term borrowings |  |  | 493.8 | 500.8 |  |
Total current liabilities |  |  | 1,071.4 | 989.7 |  |
Long-term debt |  |  | 1,640.3 | 1,427.9 |  |
Other long-term liabilities |  |  | 767.4 | 761.3 |  |
Total Reliance stockholders' equity |  |  | 4,012.0 | 3,914.1 |  |
Noncontrolling interests |  |  | 28.4 | 28.6 |  |
Total equity |  |  | 4,040.4 | 3,942.7 |  |
Total liabilities and equity |  |  | 7,519.5 | 7,121.6 |  |
Senior Unsecured Notes |  |  |  |  |  |
Condensed Unaudited Consolidating Balance Sheet |  |  |  |  |  |
Aggregate principal amount | $ 1,100.0 | $ 1,100.0 |  |  |  |
Ownership interest in domestic subsidiaries (as a percent) | 100.00% | 100.00% |  |  |  |
Reportable legal entities | Parent |  |  |  |  |  |
Assets |  |  |  |  |  |
Cash and cash equivalents |  |  | 17.1 | 10.7 | 26.6 | 41.9
Accounts receivable, net |  |  | 75.2 | 66.5 |  |
Inventories |  |  | 61.7 | 56.0 |  |
Income taxes receivable |  |  | 47.7 | 38.2 |  |
Other current assets |  |  | 30.1 | 36.4 |  |
Total current assets |  |  | 231.8 | 207.8 |  |
Investments in subsidiaries |  |  | 5,172.2 | 5,046.2 |  |
Property, plant and equipment, net |  |  | 115.8 | 115.5 |  |
Goodwill |  |  | 23.8 | 23.8 |  |
Intangible assets, net |  |  | 13.5 | 14.0 |  |
Intercompany receivables |  |  | 787.3 | 614.2 |  |
Other assets |  |  | 24.5 | 24.6 |  |
Total assets |  |  | 6,368.9 | 6,046.1 |  |
Liabilities & Equity |  |  |  |  |  |
Accounts payable |  |  | 33.7 | 25.3 |  |
Accrued compensation and retirement costs |  |  | 15.4 | 29.5 |  |
Other current liabilities |  |  | 67.2 | 54.0 |  |
Current maturities of long-term debt and short-term borrowings |  |  | 400.0 | 400.0 |  |
Total current liabilities |  |  | 516.3 | 508.8 |  |
Long-term debt |  |  | 1,629.7 | 1,417.3 |  |
Other long-term liabilities |  |  | 210.9 | 205.9 |  |
Total Reliance stockholders' equity |  |  | 4,012.0 | 3,914.1 |  |
Total equity |  |  | 4,012.0 | 3,914.1 |  |
Total liabilities and equity |  |  | 6,368.9 | 6,046.1 |  |
Reportable legal entities | Guarantor Subsidiaries |  |  |  |  |  |
Assets |  |  |  |  |  |
Cash and cash equivalents |  |  | (4.8) | (1.0) | (3.5) | (8.3)
Accounts receivable, net |  |  | 775.8 | 701.8 |  |
Inventories |  |  | 1,242.0 | 1,145.1 |  |
Other current assets |  |  | 13.1 | 15.1 |  |
Total current assets |  |  | 2,026.1 | 1,861.0 |  |
Investments in subsidiaries |  |  | 340.0 | 328.0 |  |
Property, plant and equipment, net |  |  | 1,345.5 | 1,311.3 |  |
Goodwill |  |  | 1,667.1 | 1,571.1 |  |
Intangible assets, net |  |  | 1,055.1 | 977.5 |  |
Intercompany receivables |  |  | 47.5 | 45.4 |  |
Other assets |  |  | 47.6 | 50.9 |  |
Total assets |  |  | 6,528.9 | 6,145.2 |  |
Liabilities & Equity |  |  |  |  |  |
Accounts payable |  |  | 252.0 | 160.0 |  |
Accrued compensation and retirement costs |  |  | 69.6 | 79.1 |  |
Other current liabilities |  |  | 34.2 | 15.3 |  |
Total current liabilities |  |  | 355.8 | 254.4 |  |
Long-term debt |  |  | 5.7 | 5.7 |  |
Intercompany borrowings |  |  | 712.6 | 547.6 |  |
Other long-term liabilities |  |  | 505.2 | 505.0 |  |
Total Reliance stockholders' equity |  |  | 4,942.3 | 4,824.5 |  |
Noncontrolling interests |  |  | 7.3 | 8.0 |  |
Total equity |  |  | 4,949.6 | 4,832.5 |  |
Total liabilities and equity |  |  | 6,528.9 | 6,145.2 |  |
Reportable legal entities | Non-Guarantor Subsidiaries |  |  |  |  |  |
Assets |  |  |  |  |  |
Cash and cash equivalents |  |  | 108.2 | 94.6 | $ 78.5 | $ 72.6
Accounts receivable, net |  |  | 162.2 | 152.3 |  |
Inventories |  |  | 222.0 | 234.9 |  |
Income taxes receivable |  |  |  | (1.7) |  |
Other current assets |  |  | 13.5 | 12.6 |  |
Total current assets |  |  | 505.9 | 492.7 |  |
Property, plant and equipment, net |  |  | 210.6 | 208.7 |  |
Goodwill |  |  | 133.7 | 129.9 |  |
Intangible assets, net |  |  | 136.4 | 133.9 |  |
Intercompany receivables |  |  | 32.0 | 30.5 |  |
Other assets |  |  | 6.0 | 6.2 |  |
Total assets |  |  | 1,024.6 | 1,001.9 |  |
Liabilities & Equity |  |  |  |  |  |
Accounts payable |  |  | 68.9 | 65.7 |  |
Accrued compensation and retirement costs |  |  | 6.0 | 10.1 |  |
Other current liabilities |  |  | 54.5 | 57.2 |  |
Current maturities of long-term debt and short-term borrowings |  |  | 93.8 | 100.8 |  |
Total current liabilities |  |  | 223.2 | 233.8 |  |
Long-term debt |  |  | 4.9 | 4.9 |  |
Intercompany borrowings |  |  | 154.2 | 142.5 |  |
Other long-term liabilities |  |  | 51.3 | 50.4 |  |
Total Reliance stockholders' equity |  |  | 569.9 | 549.7 |  |
Noncontrolling interests |  |  | 21.1 | 20.6 |  |
Total equity |  |  | 591.0 | 570.3 |  |
Total liabilities and equity |  |  | 1,024.6 | 1,001.9 |  |
Consolidating Adjustments |  |  |  |  |  |
Assets |  |  |  |  |  |
Accounts receivable, net |  |  | (4.2) | (4.0) |  |
Income taxes receivable |  |  | (18.4) |  |  |
Other current assets |  |  | (1.3) | (3.3) |  |
Total current assets |  |  | (23.9) | (7.3) |  |
Investments in subsidiaries |  |  | (5,512.2) | (5,374.2) |  |
Intercompany receivables |  |  | (866.8) | (690.1) |  |
Total assets |  |  | (6,402.9) | (6,071.6) |  |
Liabilities & Equity |  |  |  |  |  |
Accounts payable |  |  | (4.2) | (4.0) |  |
Other current liabilities |  |  | (19.7) | (3.3) |  |
Total current liabilities |  |  | (23.9) | (7.3) |  |
Intercompany borrowings |  |  | (866.8) | (690.1) |  |
Total Reliance stockholders' equity |  |  | (5,512.2) | (5,374.2) |  |
Total equity |  |  | (5,512.2) | (5,374.2) |  |
Total liabilities and equity |  |  | $ (6,402.9) | $ (6,071.6) |  |

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