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Commitments and Contingencies (Details) - Sep. 03, 2015 - Subsequent event - USD ($) $ in Millions | Total
--- | ---
Gain Contingencies [Line Items] |
Recovery of excessive taxes and interest | $ 4.0
Tax Years 2005 - 2006 |
Gain Contingencies [Line Items] |
Recovery of excessive taxes and interest | 1.6
Tax Year 2008 |
Gain Contingencies [Line Items] |
Recovery of excessive taxes and interest | 0.9
Selling, and administrative costs | Tax Years 2007, 2009 and 2010 |
Gain Contingencies [Line Items] |
Recovery of excessive taxes and interest | 1.6
Minimum | Reduction in taxes | Tax Years 2007 - 2012 |
Gain Contingencies [Line Items] |
Potential aggregate recovery (maximum) | 2.8
Maximum | Reduction in taxes | Tax Years 2007 - 2012 |
Gain Contingencies [Line Items] |
Potential aggregate recovery (maximum) | $ 4.6

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