Schedule of operating segments and corporate-unallocated operating income (loss) to consolidated income before income taxes (Tables)  | 
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| Schedule of operating segments and corporate-unallocated operating income (loss) to consolidated income before income taxes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of operating segments and corporate-unallocated operating income (loss) to consolidated income before income taxes | 
 The following table reconciles operating segments and corporate-unallocated operating income (loss) to consolidated income before income taxes, as presented in the unaudited condensed consolidated income statements: 
 
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- Definition Tabular disclosure for operating segments and corporate-unallocated operating income (loss) to consolidated income before income taxes No definition available. 
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- References No definition available. 
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