Commitments And Contingencies (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Commitments And Contingencies [Abstract] | |||
| Contingency reserve | $ 0.0 | ||
| Expenses charged to operations | $ 27.9 | $ 27.1 | $ 25.1 |
| X | ||||||||||
- Definition COMMITMENTS AND CONTINGENCIES [Abstract] No definition available.
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| X | ||||||||||
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. No definition available.
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| X | ||||||||||
- Definition Amount of loss contingency liability. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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