Basis Of Financial Statement Presentation (Narrative II) (Details) - USD ($) $ in Millions |
3 Months Ended | |
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Jan. 01, 2018 |
Mar. 31, 2018 |
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| Accounting Standards Update 2016-01 [Member] | ||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||
| Quantification of the effect of adopting the new accounting standard or change in accounting principle expected | $ 0.3 | |
| Equity securities without readily determinable fair values | $ 2.4 | |
| Accounting Standards Update 2016-02 [Member] | ||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||
| Quantification of the effect of adopting the new accounting standard or change in accounting principle expected | $ 150.4 |
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- Definition For an unclassified balance sheet, this item represents investments in common and preferred stocks and other forms of securities that provide ownership interests in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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