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Description of Business and Summary of Significant Accounting Policies (Property and Equipment Net) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Nonrecurring [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Impairment of long-lived assets for sale | $ 12.8 | $ 3.8
Nonrecurring [Member] | Continuing Operations [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Impairment of long-lived assets held and used | 1.9 | 3.1
Impairment of long-lived assets for sale | 12.1 | 3.0
Nonrecurring [Member] | Discontinued Operations, Held-for-sale [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Impairment of long-lived assets for sale | 0.7 | 0.8
Reported Value Measurement [Member] | Continuing Operations [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Long-lived assets held for sale | 41.4 | 47.1
Reported Value Measurement [Member] | Discontinued Operations, Held-for-sale [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Long-lived assets held for sale | $ 15.7 | $ 22.3
Buildings and improvements [Member] | Minimum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment estimated useful life | 5 years |
Buildings and improvements [Member] | Maximum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment estimated useful life | 40 years |
Furniture, fixtures, and equipment [Member] | Minimum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment estimated useful life | 3 years |
Furniture, fixtures, and equipment [Member] | Maximum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment estimated useful life | 10 years |

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- Definition Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2473-110228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2941-110230 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=65878427&loc=SL51721533-107759 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=65878427&loc=d3e1107-107759 + Details
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 225 -Section 45 -Paragraph 11 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68048823&loc=d3e92212-112881 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Impairment -URI http://asc.fasb.org/extlink&oid=6515133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2921-110230 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228 + Details
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