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Acquisitions (Details) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2024 USD ($) $ / shares | Jun. 30, 2023 USD ($) $ / shares | Jun. 30, 2024 USD ($) $ / shares | Jun. 30, 2023 USD ($) $ / shares | Apr. 01, 2024 Center | Feb. 01, 2024 item | Dec. 31, 2023 USD ($)
Acquisitions |  |  |  |  |  |  |
Net sales | $ 3,643.3 | $ 3,880.3 | $ 7,288.1 | $ 7,845.6 |  |  |
Allocation of the total purchase price of the acquisitions to the fair value of the assets acquired and liabilities assumed |  |  |  |  |  |  |
Goodwill | 2,167.0 |  | 2,167.0 |  |  |  | $ 2,111.1
Cooksey Iron & Metal Company |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Number of locations of the acquiree entity | item |  |  |  |  |  | 3 |
American Alloy Steel, Inc |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Locations acquiree provides services from | Center |  |  |  |  | 5 |  |
2024 Acquisitions |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Sales since acquisition date |  |  | 115.1 |  |  |  |
Allocation of the total purchase price of the acquisitions to the fair value of the assets acquired and liabilities assumed |  |  |  |  |  |  |
Cash | 5.6 |  | 5.6 |  |  |  |
Accounts receivable | 43.2 |  | 43.2 |  |  |  |
Inventories | 109.9 |  | 109.9 |  |  |  |
Prepaid expenses and other current assets | 1.0 |  | 1.0 |  |  |  |
Property, plant and equipment | 99.7 |  | 99.7 |  |  |  |
Operating lease right-of-use assets | 1.2 |  | 1.2 |  |  |  |
Goodwill | 57.0 |  | 57.0 |  |  |  |
Intangible assets subject to amortization | 36.5 |  | 36.5 |  |  |  |
Intangible assets not subject to amortization | 38.9 |  | 38.9 |  |  |  |
Total assets acquired | 393.0 |  | 393.0 |  |  |  |
Deferred taxes | 7.1 |  | 7.1 |  |  |  |
Operating lease liabilities | 1.2 |  | 1.2 |  |  |  |
Other current and long-term liabilities | 32.3 |  | 32.3 |  |  |  |
Total liabilities assumed | 40.6 |  | 40.6 |  |  |  |
Noncontrolling interest | 0.3 |  | 0.3 |  |  |  |
Net assets acquired | 352.1 |  | 352.1 |  |  |  |
Pro forma financial information |  |  |  |  |  |  |
Non-recurring Inventory step-down amortization |  | 2.2 |  | 4.7 |  |  |
Pro forma: |  |  |  |  |  |  |
Net sales | 3,643.3 | 4,018.9 | 7,385.1 | 8,122.0 |  |  |
Net income attributable to Reliance | $ 266.3 | $ 395.1 | $ 571.7 | $ 787.5 |  |  |
Basic earnings per common share attributable to Reliance shareholders (in dollars per share) | $ / shares | $ 4.68 | $ 6.73 | $ 10.01 | $ 13.40 |  |  |
Diluted earnings per common share attributable to Reliance shareholders (in dollars per share) | $ / shares | $ 4.64 | $ 6.66 | $ 9.92 | $ 13.25 |  |  |
Summary purchase price allocation information for all acquisitions |  |  |  |  |  |  |
Tax deductible goodwill amount | $ 28.8 |  | $ 28.8 |  |  |  |
2024 Acquisitions | Trade names |  |  |  |  |  |  |
Allocation of the total purchase price of the acquisitions to the fair value of the assets acquired and liabilities assumed |  |  |  |  |  |  |
Intangible assets not subject to amortization | $ 38.9 |  | 38.9 |  |  |  |
2024 Acquisitions | Customer relationships |  |  |  |  |  |  |
Summary purchase price allocation information for all acquisitions |  |  |  |  |  |  |
Intangible assets acquired subject to amortization |  |  | $ 36.3 |  |  |  |
Weighted average lives of identifiable intangible assets |  |  | 13 years 3 months 18 days |  |  |  |
2024 Acquisitions | Non-compete agreements |  |  |  |  |  |  |
Summary purchase price allocation information for all acquisitions |  |  |  |  |  |  |
Intangible assets acquired subject to amortization |  |  | $ 0.2 |  |  |  |
Weighted average lives of identifiable intangible assets |  |  | 5 years |  |  |  |
FerrouSouth |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |
Sales since acquisition date |  |  | $ 0.0 |  |  |  |

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