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Commitments and Contingencies - Litigation and Environmental Contingencies (Details) $ / shares in Units, shares in Millions, $ in Millions | Jun. 27, 2013 shares | Mar. 13, 2013 USD ($) | Jun. 25, 2012 officer | Jun. 20, 2012 officer | Mar. 13, 2015 $ / shares
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Loss Contingencies [Line Items] |  |  |  |  |
Loss contingency, number of defendants | officer |  |  | 2 | 2 |
Class Action Lawsuits Relating To Merger |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of shares held by shareholders who sent notices to exercise rights as per merger agreement | shares | 3.1 |  |  |  |
Sealy | Class Action Lawsuits Relating To Merger |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Cash price per share (in dollars per share) | $ / shares |  |  |  |  | $ 2.20
Net consideration transferred | $ |  | $ 0.6 |  |  |

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- Definition Represents the number of shares held by the shareholders who sent notices to Sealy purporting to exercise their appraisal rights in accordance with the Merger Agreement. + References No definition available. + Details
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