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Stockholders' Equity - Narrative (Details) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Treasury stock, acquired (in shares) | 0.0 | 0.0 | 0.0 | 0.0
Performance-based Restricted Stock Units |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Shares issued in connection with Mattress Firm Acquisition (in shares) | 1.4 | 1.4 | 2.1 | 0.9
Value of treasury stock acquired | $ 94.9 |  | $ 132.4 | $ 43.8
RSU expense |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Shares issued in connection with Mattress Firm Acquisition (in shares) | 1.4 | 1.4 |  |
Equity Option |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Shares issued in connection with Mattress Firm Acquisition (in shares) | 1.4 | 1.4 |  |
February 2016 Program |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Remaining shares under share repurchase authorization | $ 774.5 |  | $ 774.5 |

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