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Income Taxes (Summary Of The Tax Years By Jurisdiction That Remain Subject To Examination By Taxing Authorities) (Details) | 12 Months Ended
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Dec. 31, 2014
United States Federal [Member] | Minimum [Member] |
Tax years open | 2008
United States Federal [Member] | Maximum [Member] |
Tax years open | 2014
Various U.S. States [Member] | Minimum [Member] |
Tax years open | 2008
Various U.S. States [Member] | Maximum [Member] |
Tax years open | 2014
Canada Federal [Member] | Minimum [Member] |
Tax years open | 2004
Canada Federal [Member] | Maximum [Member] |
Tax years open | 2014
Various Canadian Provinces [Member] | Minimum [Member] |
Tax years open | 2004
Various Canadian Provinces [Member] | Maximum [Member] |
Tax years open | 2014

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- Definition Tax year that remains open to examination under enacted tax laws, in CCYY format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Details
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- Details
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- Details
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- Details
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